PLATE IX. 



FlG. I. Speocarcinus californiensis. 



<?, X ! Alamitos Bay. 



2. Opisthopus transversus. 



$ , X i. Pacific Grove. 



3. Lophopanopeus diegensis. 



<?, type, X i. 



4. Clythrocerus planus. 



$ , X 6. Southern California. 



5. Clythrocerus, sp. 



Carapace of (f , X 6. Catalina Island. 



6. Pinnixa occidentalis. 



$, X i. Wrangell. 

 6a. Pinnixa occidentalis. 



Chela of J , X ii Wrangell. 



