References
- Allanson , B. R. , Hill , B. J. , Boltt , R. E. and Schultz , V. 1966 . An estuarine fauna in a freshwater lake in South Africa . Nature, Lond. , 209 : 532 – 533 .
- Barnard , K. H. 1950 . Descriptive catalogue of South African Decapod Crustacea . Ann. S. Afr. Mus. , 38 : 1 – 836 .
- Barnard , K. H. 1955 . Additions to the fauna-list of South African Crustacea and Pycnogonida . Ann. S. Afr. Mus. , 43 : 1 – 107 .
- Beadle , C. C. and Cragg , J. B. 1940 . Studies on adaptation to salinity in Gammarus spp. I. Regulation of blood and tissues and the problem of adaptation to fresh water . J. exp. Biol. , 17 : 153 – 163 .
- Broekhuysen , G. J. 1955 . The breeding and growth of Hymenosoma orbiculare Desm . Ann. S. Afr. Mus. , 41 : 313 – 343 .
- Chilton , C. 1919 . Note on the occurrence in Tasmania of the freshwater crab Hymenosoma lacustris Chilton . Pap. Proc. R. Soc. Tasmania , : 93 – 95 .
- Kemp . 1917 . Rec. Ind. Mus. , 13 : 243 seq. Quoted by Barnard, 1950
- Lockwood , A. P. M. 1962 . The osmoregulation of Crustacea . Biol. Rev. , 37 : 257 – 305 .
- Potts , W. T. W. and Parry , G. 1964 . Osmotic and ionic regulation in animals. London : Pergamon Press .
- Ramsay , J. A. 1955 . Simplified apparatus and procedure for freezing point determinations upon small volumes of fluid . J. scient. Instrum. , 32 : 372 – 375 .
- Ramsay , J. A. 1954 . Movements of water and electrolytes in invertebrates . Symp. Soc. exp. Biol. , 8 : 1 – 15 . 1963.Rep. Div. Fish. S. Afr. 31, 1–242. 1964. Rep. Div. Fish. S. Afr. 32, 1–267