Pomona Ojllcge, Claremont, California 67 



living in several of the larger shells such as those of Trophon trian- 

 gulatus Cpr and T. hekheri fids. (Figs. 11 and 12). 



Lepidopa myops Stimp. 

 We have but one spr;cimen of this sand crab collected by L. Gard- 

 ner several years ago. 



Blepharipoda occidentalis Randall 

 Xumlcrs oi these large sand crabs much like the last in general 

 appearance were taken at all times on sandy shores. 



hmcr'Ua analoga Stimp. 

 7'his is the smaller very common sand crab. 



Panulirus inlerrupltis Randall 

 Young of the "lobster" were often found in tide pools. 



Alpheus i Crayon) dentipes Guerin 

 I'hese have been taken in sponge masses and in holdfasts. These 

 interesting little snapping shrimps were collected a number of times 

 especially during the last summer. When placed in aquarium jars 

 they snapped the claws in such a manner as to make one believe the 

 jars were cracking. The left claw open and closed is shown in fig. 

 19 from Miss Macdonald's drawing. 



Crayon niyromaculatus Sm 

 Translucent white, with small black dots, a larger dark spot on 

 either side near the caudal end of the body. Found commonly in 

 sandy tide pools. 



Betaus lonyidactylus Lock., U.S.M. 

 This is the most common lobster-like species found in the tide 

 pools. It is of a uniform dark red brown. 



B. Iiarfordi Kingsley, U.S.M. 

 Found in kelp holdfasts. Pale olive green, eggs translucent green. 

 Stout, Stafforrl. La Follette and others. 



Spirontoraris palpator Osen 

 Antennal scale longer than the telson, maxilliped without exopod. 

 Rostrum with superior margin not strongly convex, but nearly 



