Tabl 



es 



No. Page 



1. The measurements and description by county and area of some traps 



used in the commercial lobster fishery in Maine 5 



2. Carapace measurements of berried females taken from lobster pounds in 



Maine 7 



3. Optimum allocation required for 0.15Y, 90% confidence limits in 1967 



compared with true optimum allocation of sample size for 1968 13 



4. Some expanded totals with standard errors of catch and effort statistics 



calculated by year for all of the dealer-days in the survey of the com- 

 mercial lobster fishery, 1966 through 1970 , 14 



5. Carapace length frequencies from cluster samples of lobsters, compiled 



by sex, month, and year, 1966 (partial year) through 1970 19 



6. Modes from probability analysis of length frequencies, compiled by year, 



1967 through 1970 29 



7. Compilation of mean length in millimeters and weights in grams, and 



percentages of females, culls, and shedders by dealer-code with monthly 

 and yearly' values for the same categories with standard errors, 1966 

 (partial year) through 1970 31 



8. The compilation of the catch in numbers per trap-haul and the number 



of set-over-days by month and year, 1968 through 1970 38 



9. A summary of mortality estimates and methodologies between and 



within years, 1967 through 1970 44 



10. Mean number of traps per boat by month and year, 1967 through 1970 49 



11. Estimates of the yield by defined category from the cubic and binomial 



expansion of the simple yield equation 52 



