Annals of the South African Museum, Volume 41The Museum, 1952 - Natural history |
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Page 331
... crab should only be submerged part of the time for the hardening process to proceed normally . The duration of the hardening process was observed in the laboratory . For 52 crabs between 8 and 22 mm . carapace - width at a temperature ...
... crab should only be submerged part of the time for the hardening process to proceed normally . The duration of the hardening process was observed in the laboratory . For 52 crabs between 8 and 22 mm . carapace - width at a temperature ...
Page 336
... crabs have been divided into five size - classes . Table XIV Interval between successive moults in days , in crabs reared in the laboratory . ( Extremes are given in brackets . ) FEMALES MALES Not in berry In berry Size in mm . Average ...
... crabs have been divided into five size - classes . Table XIV Interval between successive moults in days , in crabs reared in the laboratory . ( Extremes are given in brackets . ) FEMALES MALES Not in berry In berry Size in mm . Average ...
Page 341
... crabs available was 96 99 and 85 6. The differences in size between the two populations are very striking . If the ... crabs , and a lower average salinity , but varying tremendously , in the case of the Sand Vlei population ; ( b ) ...
... crabs available was 96 99 and 85 6. The differences in size between the two populations are very striking . If the ... crabs , and a lower average salinity , but varying tremendously , in the case of the Sand Vlei population ; ( b ) ...