42 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



SPEOCARCINUS CALIFORNIENSIS (Lockincton). 



Plate 10, figs. 2 and 3. 



Encrntcf californicnsis Lockington, Proc. California Acad. Scl., vol, 7, 

 1S7G (1S77), p. 33 (type-locality, San Diego; type not extant). 



Spcocnrchins caUformensis Rathbun, Harriman Alaska Exped., vol. 10, 

 1904, p. 190, pi. 9, fig. 1. 



Diagnosis. — Eyestalks tapering. Antero-lateral teeth 3. Clieli- 

 peds nearly smooth. 



Description. — Kegions deeply limited, surface smooth and punc- 

 tate, lateral margins granulate. Antero-lateral margin upturned, 

 tridentate, last tooth acute. Postero-lateral margins slightly con- 

 verging behind. Front Avith straight edge, slightly emarginate, more 

 than one-fourth width of carapace. Eyestalk flat above, and tapering 

 to the tip, longer than in granulimanus. Antero-external angle of 

 merus of maxilliped not produced outwardly, but the outer margin is 



thickened, somewhat 

 revolute. 



Chelipeds nearly 

 smooth except on the 

 margins, which are 

 granulous. M e r u s 

 and carpus each with 

 a stout tooth. Dac- 

 tylus of larger chela 

 without a strong 

 basal tooth. Legs 

 fringed with hair. 

 Measurements. — Male (45581), length of carapace 16, width of 

 same 22.6 mm. 



Range. — San Pedro to San Diego, California. 

 Material examined. — 



San Pedro: H. N. Lowe; 1 male (19731) ; 1 male (32966). We^ 

 Basin; Venice Marine Biol. Station; 1 male (45581). 

 Alamitos Bay; H. N. Lowe; 1 male (19731). 



Genus PSEUDORHOMBILA Milne Edwards. 



Pseudorhombila Milne Edwards, Hist. Nat. Crust., vol. 2, 1S37, p. 5S ; type, 

 P. quadridcntata (Latreille). 



Carapace thick, much broader than long, convex fore and aft, 

 very slightly so from side to side; regions partially indicated. 



Fronto-orbital border about half the width of the carapace. 

 Antero-lateral borders arched, dentate. Front rather square-cut, 

 notched in the middle, between one-third and one-fourth the width 

 of the carapace. Orbit with two sutures above. Basal antenna! 



FlO. IG. SPEOCARCINUS CAI.IFOnXIENSlS, MALE (329CG). 



a, Oltkk maxii.i.mki), dohed line mauking median 



AXIS, X 4J ; 6, AUUOME.N AND TAUT OF STEUXUM, X 2%- 



