GONAD INDEX x IOO GONAD INDEX x 100 I S8 MAXIMUM OVUM DIAMETER IN A 
144 PACIFIC SCIENCE, Vol. XVIII, April 1964 
Fig. 2. Average maximum ovum diameters measured in 1959 and I960. Samples of 25 animals each, taken 
February 3 and March 3, 1959, and October 5, I960, and a sample of 100 individuals taken on September 
, 1959, had no gonads and hence no ova. 
Fig. 3. Male and female gonad cycles of A. elegantissima for 1959 and I960 (not strictly comparable due 
to circumstances of sampling). 
