Clay, T. 1936. New species of Mallophaga recorded from Asiatic birds. Proceedings of the Zoological Society of London. 1935:905-914.
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Clay, T. 1936. Two new genera of Mallophaga. Proceedings of the Zoological Society of London. 1935:615-618.
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Clay, T. 1937. Mallophaga from the Tinamidae. Proceedings of the Zoological Society of London (Series B). 107:133-159. 224
Clay, T., and R. Meinertzhagen. 1937. Two remarkable new mallophagan genera from the Columbidae. The Entomologist. 70:276-278. 222
Clay, T., and M. Rothschild. 1938. Ectoparasites from captive birds I. 1936-1937. Novitates Zoologicae. 41:61-73.
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Clay, T. 1938. The names of Mallophagan genera. The Entomologist. 71:206-207.
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Clay, T., and R. Meinertzhagen. 1938. New genera and species of Mallophaga. The Entomologist. 71:275-279.
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Clay, T. 1938. New species of Mallophaga from Afropavo congensis Chapin. American Museum Novitates. 1008:1-11. 3449
Clay, T. 1938. Revision of the genera and species of Mallophaga occurring on Gallinaceous hosts. - Part I. Lipeurus and related genera. Proceedings of the Zoological Society of London (Series B). 108:109-204. 215
Clay, T., and R. Meinertzhagen. 1938. Two new genera of Mallophaga. The Entomologist. 71(899):73-76.
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Clay, T., and R. Meinertzhagen. 1939.Aegypoecus, nom nov. The Entomologist. 72:36.
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Clay, T., and M. Rothschild. 1939. Ectoparasites from captive birds II. 1937-1938. Novitates Zoologicae. 41:305-315.
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Clay, T., and R. Meinertzhagen. 1939. New genera and species of Mallophaga. The Entomologist. 72:161-168. 219
Clay, T. 1939. A note on some Mallophagan names. Novitates Zoologicae. 41(3):175-177.
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Clay, T., and R. Meinertzhagen. 1939. Three new genera of Mallophaga from the Charadriiformes. Annals and Magazine of Natural History (Series 11). 4:450-454. 541
Clay, T. 1940. Anoplura. British Graham Land Expedition 1934-37 Scientific Reports. 1(5):295-318. 833
Clay, T. 1940. Genera and species of Mallophaga occurring on Gallinaceous hosts. - Part II. Goniodes. Proceedings of the Zoological Society of London (Series B). 110:1-120. 235
Clay, T. 1940. Mallophagan Miscellany - Part 1. Annals and Magazine of Natural History (Series 11). 6:427-433. 542
Clay, T., and R. Meinertzhagen. 1941. Mallophaga miscellany - No. 2. Annals and Magazine of Natural History (Series 11). 7:329-346.
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Clay, T. 1941. A new genus and species of Mallophaga. Parasitology. 33:119-129.
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Clay, T. 1943. Bird lice from the Tinamidae. Zoological Series of Field Museum of Natural History. 24(33):375-387. 637
Clay, T., and R. Meinertzhagen. 1943. The relationship between Mallophaga and hippoboscid flies. Parasitology. 35(1-2):11-16.
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Clay, T. 1946. Mallophaga miscellany - No. 3: The trabecula. Annals and Magazine of Natural History. 13(101):355-359.
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Clay, T. 1946. The Mallophagan parasites of the Passeriformes. Ibis. 88:403-405. 543
Clay, T. 1947. Mallophaga miscellany - No. 4. Annals and Magazine of Natural History (Series 11). 14:540-552.
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Clay, T. 1947. A prliminary key to the genera of the Menoponidae (Mallophaga). Proceedings of the Zoological Society of London. 117(2-3):457-477. 7324
Clay, T. 1947. The systematic position of the Musophagi as indicated by their Mallophagan parasites. Ibis. 89:654-656. 544
Clay, T. 1948. A new type of external organ found in the Mallophaga. Proceedings of the Royal Entomological Society of London (Series B). 23(4-6):33-35.
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Clay, T. 1948. Relationships within the Sternidae as indicated by their mallophagan Parasites. Ibis. 90:141-142. 546
Clay, T. 1948. ?? Proceedings of the Zoological Society of London. 117:460-468. 4826
Clay, T. 1948. Mallophaga miscellany. 4. I. Notes on the Goniodidae; II. The type-host of Oxylipeurus appendiculatus (Piaget); III The Denny and Piaget collections in the British Musuem; IV Host names in the Pelecaniformes. Annals and Magazine of Natural History (Series 11). 14:540-552. 7341
Clay, T. 1949. Piercing mouth-parts in the biting lice (Mallophaga). Nature. 164:617. 6165
Clay, T. 1949. Some problems in the evolution of a group of ectoparasites. Evolution. 3(4):279-299. 30
Clay, T. 1949. Species of the genus Saemundssonia (Mallophaga) from the Sterninae. American Museum Novitates. 1409:1-25. 638
Clay, T. 1949. Systematic notes on the Piaget collections of Mallophaga. - Part I. Annals and Magazine of Natural History (Series 12). 2:811-838. 547
Clay, T. 1949. Systematic notes on the Piaget collections of Mallophaga. - Part I cont. Annals and Magazine of Natural History (Series 12). 2:895-921. 548
Clay, T. 1949. Systematic notes on the Piaget collections of Mallophaga. - Part II. Annals and Magazine of Natural History (Series 12). 4:173-182. 550
Clay, T., and G. H. E. Hopkins. 1950. The early literature on Mallophaga. Part I, 1758-1762. Bulletin of the British Museum (Natural History) Entomology. 1(3):221-271. 245
Clay, T. 1950. A preliminary survey of the distribution of Mallophaga ('Feather lice') on the class Aves (Birds). Journal of the Bombay Natural History Society. 49(3):430-443.
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Clay, T., and G. H. E. Hopkins. 1951. The early literature on Mallophaga. Part II, 1763-1775. Bulletin of the British Museum (Natural History) Entomology. 2(1):1-36. 1094
Clay, T. 1951. An introduction to a classification of the avian Ischnocera (Mallophaga): Part I. Transactions of the Royal Entomological Society of London. 102:171-195. 26
Clay, T. 1951. Systematic notes on the Piaget collections of Mallophaga. - Part II. Annals and Magazine of Natural History (Series 12). 4:173-182. 7077
Clay, T. 1951. Systematic notes on the Piaget collections of Mallophaga. - Part III. Annals and Magazine of Natural History (Series 12). 4:1159-1168. 549
Clay, T. 1951. The Mallophaga as an aid to the classification of birds with special reference to the structure of feathers, pp. 207-215. In S. Hörstadius [ed.], Proceedings of the Xth Ornithological Congress, Uppsala.
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Hopkins, G. H. E., and T. Clay. 1952.A Check list of the Genera & Species of Mallophaga.British Museum of Natural History, London. 109
Rothschild, M., and T. Clay. 1952.Fleas, Flukes & Cuckoos: A Study of Bird Ectoparasites.Collins Son and Co. Ltd., London.
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Clay, T. 1953. Revisions of the genera of Mallophaga - I. The Rallicola-complex. Proceedings of the Zoological Society of London. 123:563-587. 275
Clay, T. 1953. Systematic notes on the Piaget collections of Mallophaga. - Part IV. Annals and Magazine of Natural History (Series 12). 6:641-657. 551
Hopkins, G. H. E., and T. Clay. 1953. Additions and corrections to the checklist of mallophaga. Annals and Magazine of Natural History (Series 12). 12(6):434-448. 110
Clay, T., and G. H. E. Hopkins. 1954. The early literature of Mallophaga (Part III, 1776-1786). Bulletin of the British Museum (Natural History) Entomology. 3(6):221-266. 639
Clay, T. 1954. The post-spiracular seta and sensillus in the Mallophaga (Insecta). Annals and Magazine of Natural History (Series 12). 7:716-718. 197
Clay, T. 1955. A new genus of Ischnocera (Mallophaga). Proceedings of the Royal Entomological Society of London (Series B). 24:1-6. 211
Clay, T., and G. H. E. Hopkins. 1955. Notes on the Rudow collection of Mallophaga at Hamburg. Mitteilungen Aus Dem Hamburg Zooloichen Museum Institut. 53:49-73. 3461
Clay, T. 1955. Revisions of the genera of Mallophaga. Colilipeurus Bedford and a new genus. Transactions of the Royal Entomological Society of London. 107:169-186. 640
Hopkins, G. H. E., and T. Clay. 1955. Additions and corrections to the checklist of Mallophaga-II. Annals and Magazine of Natural History (Series 12). 8:177-190. 111
Clay, T. 1956. Phthiraptera, pp. 145-148. In L. Tuxen [ed.], Taxonomist's Glossary of Genitalia in Insects. Ejnar Munksgaard, Copenhagen. 497
Clay, T. 1957. The Degeeriella [Insecta: Mallophaga] parasitic on Pernis [Aves: Falconiformes]. Proceedings of the Zoological Society of Calcutta. Mookerjee Memor. Vol.:339-347. 503
Clay, T. 1957. Mallophaga from Tristan da Cunha. Part I. Results Norwegian Scientific Expedition to Tristan da Cunha 1937-1938. 40:1-5. 3463
Clay, T. 1957. An overlooked Piaget species of Mallophaga. Entomologische Berichten. 17(5):79. 4828
Clay, T. 1957. The Mallophaga of birds, pp. 120-158. In J. G. Baer [ed.], First symposium on host specificity among parasites of Vertebrates.University of Neuchâtel, Institute of Zoology, University of Neuchâtel, Switzerland. 641
Hopkins, G. H. E., and T. Clay. 1957. The type species of the Mallophagan genus Harrisoniella. The Entomologist. 90(1135):308-309. 703
Clay, T. 1958. Mallophaga (Insecta). Part I. Natural History Rennell Island, British Solomon Islands. 2:143-149. 3466
Clay, T. 1958. A note on some Antarctic Mallophga. Annals and Magazine of Natural History (Series 13). 1:250-256. 552
Clay, T., and G. H. E. Hopkins. 1958.Pediculus dentatus Scopoli, 1763. The Entomologist. 91(1147):268-269. 4833
Clay, T. 1958. Revisions of Mallophaga genera. Degeeriella from the Falconiformes. Bulletin of the British Museum (Natural History) Entomology. 7:121-207. 3465
Clay, T. 1958. Revisions of the Mallophaga genera. Degeeriella from the Falconiformes. Bulletin of the British Museum (Natural History) Entomology. 7(4):121-207. 223
Clay, T. 1958. Three new species of Degeeriella Neumann (Mallophaga) from the Falconiformes (Aves). Proceedings of the Royal Entomological Society of London (Series B). 27(1-2):1-7. 213
Clay, T. 1959. A key to the species of Austromenopon Bedford (Mallophaga) parasitic on the Charadriiformes. Proceedings of the Royal Entomological Society of London (Series B). 28(11-12):157-168. 534
Clay, T., and G. H. E. Hopkins. 1960. The early literature on Mallophaga (Part IV, 1787-1818). Bulletin of the British Museum (Natural History) Entomology. 9:1-61. 685
Clay, T. 1961. A new genus and species of the Menoponidae (Mallophaga, Insecta) from Apteryx. Annals and Magazine of Natural History (Series 13). 3(1960):571-576. 553
Clay, T. 1961. Three new species of Mallophaga (Insecta). Bulletin of the British Museum (Natural History) Entomology. 11:43-58.
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Clay, T. 1962. The identity of Ditopos biprosapiae Carriker (Mallophaga, Insecta). Annals and Magazine of Natural History (Series 13). 5:177-183. 203
Clay, T. 1962. A key to the species of Actornithophilus Ferris with notes and descriptions of new species. Bulletin of the British Museum (Natural History) Entomology. 11(5):189-244. 532
Clay, T. 1962. A new species of Anatoecus Cummings (Mallophaga) from Phoenicopterus ruber Linn. Entomologische Berichten. 22:220-226. 3469
Clay, T. 1962. A new species of Degeeriella Neumann (Mallophaga) from the Falconiformes. Proceedings of the Royal Entomological Society of London (Series B). 31(11-12):159-162. 3468
Clay, T. 1963. A new species of Haematomyzus Piaget (Phthiraptera, Insecta). Proceedings of the Zoological Society of London. 141:153-161.
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Clay, T. 1963. New species of Trinoton Nitzsch (Mallophaga, Insecta). Memoirs of the Queensland Museum. 14:87-93. 4344
Clay, T. 1964. Geographical distribution of the Mallophaga (Insecta). Bulletin of the British Ornithologists' Club. 84(1):14-16. 4830
Clay, T. 1964. Insects of Campbell Island. Phthiraptera. Pacific Insects Monograph. 7:230-234. 4829
Clay, T. 1964. A new species of Colpocephalum Nitzsch (Mallophaga). Proceedings of the Royal Entomological Society of London (Series B). 33:7-12. 4345
Clay, T. 1965. Contributions towards a revision of Myrsidea Waterston (Mallophaga: Menoponidae). II. Proceedings of the Royal Entomological Society of London (Series B). 34(9-10):117-122. 4346
Clay, T. 1966. Contributions towards a revision of Myrsidea Waterston I. (Menoponidae: Mallophaga). Bulletin of the British Museum (Natural History) Entomology. 17(8):327-395. 3275
Clay, T. 1966. A new species of Apterygon (Mallophaga: Menoponidae). The Entomologist. 99:292-293. 4347
Clay, T. 1966. A new species of Strigiphilus (Philopteridae: Mallophaga). Pacific Insects. 8(4):835-847. 850
Clay, T. 1966. The species of Strigiphilus (Mallophaga: Philopteridae) parasitic on the barn owls Tyto (Tytonidae). Journal of the Entomological Society of Queensland. 5:10-17. 849
Clay, T. 1967. Mallophaga (biting lice) and Anoplura (sucking lice). Part I: Austrogoniodes (Mallophaga) parasitic on Penguins (Sphenisciformes). Antarctic Research Series. 10:149-155.
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Clay, T., and C. Moreby. 1967. Mallophaga (biting lice) and Anoplura (sucking lice). Part II: Keys and locality lists of Mallophaga and Anoplura. Antarctic Research Series. 10:157-196.
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Clay, T., and B. K. Tandan. 1967. A new genus and species of Philopteridae (Mallophaga). Proceedings of the Zoological Society of London (Series B). 36:34-40. 210
Clay, T. 1968. Contributions towards a revision of Myrsidea Waterston, III. (Menoponidae: Mallophaga). Bulletin of the British Museum (Natural History) Entomology. 21(4):203-243. 3276
Clay, T. 1969. A key to the genera of the Menoponidae (Amblycera: Mallophaga: Insecta). Bulletin of the British Museum (Natural History) Entomology. 24:3-26. 61
Clay, T. 1970. The Amblycera (Phthiraptera: Insecta). Bulletin of the British Museum (Natural History) Entomology. 25(3):75-98. 62
Clay, T., and C. Moreby. 1970. Mallophaga and Anoplura of Subantarctic Islands. Pacific Insects Monograph. 23:216-220. 3475
Clay, T., and R. D. Price. 1970. A new genus and species of Menoponidae (Mallophaga) from the African swallow-tailed kite. Journal of Medical Entomology. 7(1):119-121. 817
Clay, T., and R. D. Price. 1970. A new genus and two new species of Menoponidae (Insecta: Mallophaga) from New Guinea. Zoological Journal of the Linnean Society. 49(4):335-343. 1017
Clay, T. 1970. A new species of Myrsidea (Mallophaga: Insecta). Western Australian Naturalist. 11:135-137. 4348
Clay, T. 1970. Phthiraptera. Tax. Gloss.:145-147. 4827
Clay, T. 1970. A preliminary key to the genera of the Menoponidae (Mallophaga). Proceedings of the Zoological Society of London. 117:457-479. 144
Clay, T. 1970. Species of Myrsidea (Insecta: Mallophaga) parasitic on the Estrildidae (Aves). H. D. Srivastava Commen.:561-570. 4349
Clay, T. 1971. The identity of Nirmusbracteatus Nitzsch (Mallophaga: Insecta). Western Australian Naturalist. 12(2):44-45. 4831
Clay, T. 1971. A new genus and two new species of Boopidae (Phthiraptera: Amblycera). Pacific Insects. 13(3-4):519-529. 4350
Clay, T. 1971. A new species of Austrogoniodes (Phthiraptera: Philopteridae) from a duck (Anseriformes). Journal of the Australian Entomological Society. 10:293-298. 1065
Tandan, B. K., and T. Clay. 1971. Contributions towards a revision of Myrsidea Waterston. VI. (Phthiraptera, Amblycera: Menoponidae). Transactions of the Royal Entomological Society of London. 123:209-246. 4585
Clay, T. 1972. The Gunong Benom Expedition 1967. 10. Phthiraptera (Insecta): chewing and sucking lice. Bulletin of the British Museum (Natural History) Zoology. 23(8):199-200. 3478
Clay, T. 1972. Relationships within Boopia (Phthiraptera: Insecta) with a description of a new species. Pacific Insects. 14(2):399-408. 4351
Clay, T. 1972. The species of Rallicola (Insecta: Phthiraptera: Ischnocera) parasitic on kiwis (Apteryx). New Zealand Journal of Science. 15(1):70-76. 3477
Price, R. D., and T. Clay. 1972. A review of the genus Austromenopon (Mallophaga: Menoponidae) from the Procellariiformes. Annals of the Entomological Society of America. 65(2):487-504. 441
Clay, T. 1973. The species groups of Pectinopygus (Phthiraptera: Philopteridae). Bulletin of the British Museum (Natural History) Entomology. 29(4):203-223. 217
Clay, T. 1973. Phthiraptera (Lice), pp. 395-397. In K. G. B. Smith [ed.], Insects and other arthropods of medical importance. British Museum (Natural History), London. 6167
Clay, T. 1974.Latumcephalum (Boopidae: Phthiraptera: Insecta). Records of the Queen Victoria Museum. 53:1-2. 4352
Clay, T. 1974. The macrogenitalis group of Strigiphilus (Philopteridae: Phthiraptera). Journal of Entomology (B). 43:139-147. 3481
Clay, T. 1974. Phthiraptera, pp. 373-376, Encyclopaedia Britannica, 15 ed. Helen Hemmingway Benton. 493
Clay, T. 1974. The Phthiraptera parasitic on flamingoes (Phoenicopteridae: Aves). Journal of Zoology. 172:483-490. 202
Clay, T. 1975. A key to the genera and generic groups of the Ischnocera (Mallophaga). Unpublished. 4713
Clay, T. 1976. Geographical distribution of the avian lice (Phthiraptera): A review. Journal of the Bombay Natural History Society. 71(3):536-547.
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Clay, T. 1976. The species of Ibidoecus (Phthiraptera) on Threskiornis (Aves). Systematic Entomology. 1:1-7.
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Clay, T. 1976. The spinosa species-group, genus Boopia Piaget (Phthiraptera: Boopiidae). Journal of the Australian Entomological Society. 15:333-338. 4353
Clay, T. 1977. The genus Phthirpediculus Ewing (Anoplura, Phthiraptera, Insecta). Bull. Mus. Nat. d´histoire Naturelle.ser. 3, No. 457:657-660. 5177
Clay, T. 1977. The Strigiphilus cursitans group (Phthiraptera: Insecta). Records of the Queen Victoria Museum. 56:1-4. 3483
Clay, T. 1981. The ischnoceran lice (Phthiraptera) of the oystercatchers (Aves, Haematopodidae). Canadian Journal of Zoology. 59(6):933-938. 2323
Clay, T. 1981. Lice (Phthiraptera: Boopidae) parasitic on Marsupials. Records of the Western Australian Museum. 8(4):589-597. 836
Clay, T. 1981. A report on a collection of lice (Boopidae: Phthiraptera) on Pterogale (rock wallabies). Proceedings of the Linnean Society of New South Wales. 105(1):65-78. 835