CALIFORNIA STALK-EYED CRUSTACEA. 191 



supero-distal angle, behind which the upper margin ends abruptly bu< 

 does not terminate in a spine; the surface is granulated, the lower side 

 granulo-spinulous; carpus short, rounded; hand large, oblong, compressed, 

 scabrous, the margins rounded, the length much exceeding that of all the 

 preceding joints combined; fingers slender, widely gaping, longer than the 

 palm, the tips furnished with small, curved, corneous claws, which are 

 crossed when the fingers are closed; pollex with a large tooth a little behind 

 the middle of the inner margin and a small, round tooth at the base. 

 Carpus of the second pair of legs five- jointed, the first joint about as long 

 as the three following ones combined; second, third, and fourth joints sub- 

 equal, the fifth a little longer; hand oblong; fingers about as long as the 

 palm, which is about one-half longer than wide and nearly as long as the 

 last joint of the carpus. Postero-lateral angles of the fourth and fifth 

 abdominal segments acute. Telson tapering, rounded at the tip, with two 

 pairs of spiuules above. On the outer side of the distal end of the peduncle 

 of theuropods there is a pair of prominent spines, behind which is a small 

 third spine; a spine near the outer angle of the uropods. " Color of carapax 

 of dried specimen green with nuances of russet and olive. The fingers 

 of larger hand are light red, the tips green." 

 Length, 1.12 inch; length of larger hand, 0.56; of smaller hand, 0.36. 



San Diego (Lockington)! San Pedro! 



This description is taken from Lockington's type 

 specimen (No. 96), which is preserved in the California 

 Academy of Sciences. The specimen was dried and had 

 lost most of its ambulatory legs. The unequal size of 

 the chelipeds is exceptional. 



Since writing the above description I have collected 

 numerous specimens of this species at San Pedro, Calif., 

 where it is found in abundance in tide pools on a rocky 

 ledge near the entrance to the harbor. The hands are 

 similar and generally equal and very much larger in 

 adult males than in young males and females. The 

 . anterior margin of the carapace in some specimens is 

 slightly convex, in others straight, while in a few it is 

 slightly concave. In many adult females, and to a less 

 extent in the adult males also, the dorsal surface of the 

 carapace is bulged upwards, owing, doubtless, to the 

 enlargement of the ovaries or testes. Many of the 



