72 Journal of Entomology and Zoology 
Pachycheles rudis Stimp., U.S.M. 
This little crab is found most abundantly in the cavities of the 
large white sponge. 
Petrolisthes eriomerus Stimp., U.S.M. 
This is a little flat crab. 
P. cinctipes Randall 
This has been reported from Laguna by Baker. 
P. rathbune Schmitt (MSS), U.S.M. 
This is the largest flat crab that we have found. One specimen. 
Hilton, 1913 (Fig. 6 somewhat reduced). 
Xanthias taylori Stimp., U.S.M. 
This is one of the most common of the crabs found among red 
sea weeds which it resembles in color and in the little knobs on the 
anterior parts of the appendages and body. 
Herbistia parvifrons Randall, U.S.M. 
Moderate sized, narrow headed flat forms. Lateral margin of 
rostrum not involuted. Second joint of antenna slender subcylindri- 
cal. Legs of moderate length. 
Pelia clausa Rath., U.S.M. 
Found hiding among sponges, polyzoans hydroids and sea weeds. 
Fragments cling to the animals. A young specimen had blue claws. 
Scyra actifrons Dana, U.S.M. 
Much as above. 
Pugettia richii Dana, U.S.M. 
Found much as P. clausa. 
P. richti Dana, U.S.M. 
Found much as the others just mentioned. 
Pelia tumida Lock, U.S.M. 
This was the largest decorator which we found. 
During the Summer of 1913 a minute elongate crustacean was 
found by Hilton in Coward’s cove near shore. 
