282 



W. J. CROZIER 



It was to be expected that the number of eggs laid by Chromo- 

 doris would increase with the size of the animal. This has been 

 shown to be the case with other molluscs, — in Crepidula, for 



S \0 \5 cm5. 



Fig. 21 Showing the relation between length of individual and number of 

 eggs deposited in one egg ribbon. 



example (Conklin, '12). By analogy with other processes, such 

 as rhythmic movements (Crozier, '16 a, p. 311) and the produc- 

 tion of water currents (e.g., in Ascidia; Hecht, '16), we should 



