FISHERY BULLETIN: VOL. 85, NO. 3 



r ^f «s^^v^ 



Wv-I^A/ •^'- 0^' V.% 



O 



cm / 



Figure 8.— Spermathecal plugs in formalin preserved female Erimacrus isen- 

 beckii. a, ventral view of third thoracic sternite, with anterior towards the top of 

 page, showing both gonopores with plugs; b, plugs removed from female crab; c, 

 both pores closed (no plugs); d, both pores open. Plugs in live animals were 

 whitish in color. 



536 



