REPRODUCTIVE CYCLES 



Table I. Breeding Seasons of Some West Coast Invertebrates 



629 



" The full names are given under materials and methods. 



^ Records fragmentary and tentative owing to difficulties of regular dredging. 



" Data of Feder (1956). 



^ Patiria has gametes all year round; the maximum is ill-defined. 



« Dates are tentative, requiring more study. 



approximately the same habitat (intertidal zone). A definite winter 

 breeding season is evident for the sea urchins, for the starfish P. 

 giganteus, for the chiton M. hindsii, and for the crab H. nudus. The 

 ochre star (P. ochraceus) shows a spring breeding season, as do the 

 abalones and the chiton K. tunicata, while the crabs P. crassipes and 



