Pomona College, Claremont, California 71 



Loxorhynchus grandis Stimp. 

 A number of these large deep water forms come in every year. 

 Fig. 18 is from Miss Ballard's drawing of a fairly perfect specimen. 



L. crispatus Stimp. 

 One specimen of this moss crab was dredged just off shore by 

 Prof. A. M. Bean and W. F. Hamilton (Fig. 3). 



Cycloxciiitliops novetndc'Hliitiis Lock, U.S.M. 

 Fig. 2 of a small one. Fig. 1 larger. These rather large crabs 

 with the dark tipped claws were sometimes taken inshore at low tide. 



Cancer aiitoinariiis Stimp. Fig 4. U.S.M. 

 Founci under the same conditions as the one just mentioned. 



PUuniuus spiiioliirsiitiis Lock. 

 One poorly preserved specimen we took to be this species 

 (Fig. 5). 



Heterocrypta occidcntalis Dana 

 Our specimen is from Hermosa Beach. Others have been re- 

 ported from San Diego. We may yet find it at Laguna (Fig. 7). 



Pachygnipsus crassipes Randall 

 The shore crab is found in great abundance on any rocky shore 

 or in the nearer tide pools (Fig. 10). 



LophopanopcHS Iwathii Rath., U.S.M. 

 The young of these were often found in masses of Polyzea under 

 rock ledges. A young male was marked as follows : white claws with 

 dark tips, last legs white, other legs and body dark red. A young 

 female haci red claws, hind legs white, body darker. Another young 

 male was white. 



L. leucomanus Lock. 

 Adults of these found under stones measured 14 mm. across. 

 Young were found under rock ledges among algae and polyzoans. 

 Young were found with red claws and a red mouth region. 



Dasygyiiis tubcrciilatus Lock., U.S.M. 

 The hydroids on the Balboa piles were swarming with these pe- 

 culiar spider-like crabs (Fig. 13). 



