Annals of the South African Museum, Volume 41The Museum, 1952 - Natural history |
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Page 332
... males Total number of males February 1947 3 I 136 March 37 O 119 April 35 O 40 May 21 27 117 June 19 52 52 13 July 8 81 93 13 August 4 78 90 September 13 94 54 October 5 55 22 November 13 27 99 December 4 10 January 1948 4 2 49 338 ...
... males Total number of males February 1947 3 I 136 March 37 O 119 April 35 O 40 May 21 27 117 June 19 52 52 13 July 8 81 93 13 August 4 78 90 September 13 94 54 October 5 55 22 November 13 27 99 December 4 10 January 1948 4 2 49 338 ...
Page 333
... males precedes the maximum moulting activity of the females , in other words the males have already moulted and become hard when the females moult and are ready for copula- tion . In the field where conditions are not uniform this ...
... males precedes the maximum moulting activity of the females , in other words the males have already moulted and become hard when the females moult and are ready for copula- tion . In the field where conditions are not uniform this ...
Page 339
... males it was not easy to decide macroscopically when the crab had become mature . In females , however , the change in shape of the abdomen is an obvious indication of maturity . Moreover the development of the ovaries can usually be ...
... males it was not easy to decide macroscopically when the crab had become mature . In females , however , the change in shape of the abdomen is an obvious indication of maturity . Moreover the development of the ovaries can usually be ...