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The type specimens and identity of the species described in the genus Lithobius by George Newport in 1844, 1845 and 1849 (ChIlopoda, Lithobiomorpha)
Vol 21, Page 297
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Decapod crustacean larvae collected during the International Indian Ocean Expedition. Families Raninidae and Homolidae
Vol 21, Page 1
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Bats from Ethiopia collected by the Great Abbai Expedition, 1968
Vol 21, Page 27
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Mites of the genus Hypoaspis Canestrini, 1884, s. str. and related forms (Acari: Mesostigmata) associated with beetles
Vol 21, Page 67
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On some species of parasitic worms in the 'Discovery' collections obtained in the years 1925-1936
Vol 21, Page 51
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The Polychaete fauna of the Solomon Islands
Vol 21, Page 101
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Lizards and snakes from Transjordan, recentlyacquired by the British Museum (Natural History)
Vol 21, Page 213
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Conchoecia from the north Atlantic. The 'procera' group
Vol 21, Page 257
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Miscellanea
Vol 21, Page 285
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Conchoecia pseudoparthenoda (nov. sp.) a new halocyprid ostracod for the tropical north Atlantic
Vol 21, Page 289
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A re-examination of the chestnut-shouldered wren complex of Australia
Vol 21, Page 313
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A new species of Lironeca (lsopoda; Cymothoidae) parasitic on cichlid fishes in Lake Tanganyika
Vol 21, Page 329
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Eunice manihine sp. nov. (Polychaeta: Eunicidae), a member of the flavus-bidentate group from the western equatorial Indian Ocean
Vol 21, Page 339
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Original description of the Gangetic Dolphin, Platanista gangetica, attributed to William Roxburgh
Vol 21, Page 345
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A new genus and species of Sudan leech formerly confused with Limnatis nilotica (Hirudinidae S.L.: Hirudinea)
Vol 21, Page 349
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The type-species of the genera Phoxinellus, Pseudophoxinus and Paraphoxinus (Pisces, Cyprinidae)
Vol 21, Page 359