of the carapace or shield, and is shghtly smaller than the 

 measurement here used, in about the proportion of 8 to 9. 

 For purposes of comparison the various sizes are classified 

 into those of i inch up to, but not including 2 inches, 2 inches 

 up to, but not including 3 inches, and so on, this being ex- 

 pressed by the numbers i +, 2 +, etc. 



The condition of the fish is indicated by the distinction 

 between those in (i) hard old shell, (2) hard new shell, (3) soft 

 old shell, and (4) soft new shell. 



No. I. 



Date : 2/11/12. Number of hauls : 24. 



Locahty : South East of Robben Island. 



Condition of sea : Smooth, with heavy westerly swell. 



Depth : 13 fathoms. 



Male Crawfish. 



Size in inches 

 Hard old shell . . 

 Hard new shell . . 

 Soft old shell . . 

 Soft new shell 

 Total of males : 



I +, 2 +, 3 + 



290. 



4+, 

 41 



5 +, 

 71 



6+, 

 83 



Average size : 5.65 inches. 



I 4 10 

 Average number per haul 



7+, 

 78 



12.086. 



Female Crawfish. 

 None. 



No. 2. 



Date : 6/11/1912. Number of hauls : 24. 

 Locality : South East of Robben Island. 

 Condition of sea : Smooth, with slight westerly swell. 

 Depth : 13 fathoms. 



I +, 



Male Crawfish. 

 Size in inches 



Hard old shell . . 



Hard new shell . . 



Soft old shell . . 



Soft new shell . . 

 Total of males : 61 

 Average size : 2,7 



Female Crawfish. 

 None. 

 [C.P. 5-13-1 



2 +, 

 4 



3 +, 



4+^ 

 2 



5 +, 

 7 



6 +, 7 +, 

 5 I 



+ , 



5 17 20 .... 

 Average number per haul : 2 541 

 nches. 



