TABLES 



Page 



1. Details of sampling cruises 4 



2. Variation in mean length of carapace and in percentage of females in 



samples taken fronn a single catch 7 



3. Mean carapace length by sex and by sexes combined and the percentage of 



females among samples taken from catches of two nets fishing simul- 

 taneously 9 



4. Number of vessels counted on the fishing grounds and at dock during air- 



plane flights, January to November, 1958 21 



5. Nunnber of tows and size distributions from which shrimp were discarded 



and not discarded 22 



APPENDIX TABLES 



1. Summary of tows, September, 1957 to November, 1958 25 



2. Carapace length frequencies of Tortugas pink shrimp 33 



3. Size equivalents for shrimp, P. duorarum 62 



