Pomona College, Claremont, California 71 
J.oxorhxiichiis grandis Stitiip. 
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. crispdiiis Stimp. 
One specimen of this moss crab was dredged just off shore by 
Prof. A. M. Bean and W. F. Hamilton (Fig. 3). 
CychixantliDps uovcmdciilatiis 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. 
CcJHcer aiitoDiariiis Stimp. Fig 4. U.S.M. 
FountI under the same conditions as the one just mentioned. 
Pihimuiis s put ohir stilus Lock. 
One poorly preser\-ed specimen we took to be this species 
(Fig. 5). 
Hetcrocrypta nccidoitalis Dana 
Our specimen is from Hermosa Beach. Others have been re- 
ported from San Diego. We may yet find it at Laguna (Fig. 7). 
Pdchyijrapsus crassipcs Randall 
The shore crab is found in great abundance on any rocky shore 
or in the nearer tide pools (Fig. Ifl). 
LophnpdHopciis hiuitli/i Rath., LT.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 had red claws, hind legs white, body darker. Another young 
male was white. 
/.. leucovtaiius Lock. 
Adults of these foinnl under stones measured 14 nmi. across. 
Young were found under rock ledges among alg<T and polyzoans. 
Young were found with red claws and a red mouth region. 
Dtisyi/yias tiibcrciilalits Lock., U.S.IVL 
The hydroids on the Balboa piles were swarming with these pe- 
culiar spider-like crabs (Fig. 13). 
