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Contributions to the Crustacean Fauna of South Africa. 7. Cirripedia
Vol 20, Page 1
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The Freshwater Entomostraca of the Cape Province (Union of South Africa). Part ii. Ostracoda
Vol 20, Page 105
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Reports on the marine mollusca in the collections of the South African Museum
Vol 20, Page 309
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A new Clypeaster from Angola
Vol 20, Page 317
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Contributions to the crustacean fauna of South Africa. 8. Further additions to the list of Amphipoda
Vol 20, Page 319
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Contributions to the crustacean fauna of South Africa. No. 9. Further additions to the list of Isopoda
Vol 20, Page 381
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Descriptions of new and little-known Lizards and Batrachians from South Africa
Vol 20, Page 413
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Some field notes on the Batrachia of the Cape Peninsula
Vol 20, Page 433
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A Monographic Revision of the Genus Brevicepa, with Distribution Records and Descriptions of New Species
Vol 20, Page 451