42 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



SPEOCARCINUS CALIFORNIENSIS (Lockington). 



Plate 10, figs. 2 and 3. 



Encratef caUfornicnsis LOCKINGTON, Proc. California Acad. Scl., vol. 7, 

 1870 (1877), p. 33 (type-locality, San Diego; type not extant). 



Speocarcinus californiensis RATHBUN, Harrlman Alaska Exped., vol. 10, 

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



Diagnosis. Eyestalks tapering. Antero-lateral teeth 3. Cheli- 

 peds nearly smooth. 



Description. Regions 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 with 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. Merus 

 and carpus each with 

 a stout tooth. Dac- 

 tylus of larger chela 

 ^ with out a strong 



FIG. 16. SPEOCARCINCS CAMFORNIENSIS, MALE (32966). 



a, OUTER MAXILLIPED, DOTTED LINE MARKING MEDIAN basal tooth. Legs 



AXIS, X 4J ; &, ABDOMEN AND PART OP STERNUM, X 2j. f r j n(re( J w ^h hflil'. 



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). West 

 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, 1837, p. 58 ; 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 antennal 



