THE SPIDER CRABS OF AMERICA 163 



p. 458. — LocKiNGTON, Proc. California Acad. Sci., vol. 7, 1876 (1877), 

 p. 77. — Rathbun, Proc. U. S. Nat. Mus., vol. 21, 1898, p. 572; Harriman 

 Alaska Exped., vol. 10, 1904, p. 173. — Holmes, Occas. Papers California 

 Acad. Sci., vol. 7, 1900, p. 23. — Schmitt, Univ. California Publ. Zool., 

 vol. 23, 1921, p. 202, text-fig. 125. 



Epialtus (Taliepus) nutallii A. Milne Edwards, Crust. R6g. Mex., 1878, 

 p. 138. 



Epialtus (Antilibinia) nuttallii Rathbun, Proc. U. S. Nat. Mus., vol. 17, 

 1894, p. 69. 



Diagnosis. — Carapace ovate. No preorbital tooth. First lateral 

 t^oth not prominent. 



Description. — Carapace ovate, convex antero-posteriorly and trans- 

 versely, smooth. No preocular tooth, postocular tooth small. 

 Lateral teeth small, subequal, blunt, the margins between them 

 convergent anteriorly. Rostrum with strongly convergent sides, 

 inclined downward, flattened or slightly concave above, and with an 

 equilaterally triangular notch at the end. Antennae not reaching 

 end of rostrum. 



Chelipeds of old male very stout, unarmed, subequal to first leg; 

 fingers gaping moderately for two-thirds of their length, a shallow 

 lobe on the dactyl at middle of gape, extremities of fingers crenate. 

 Legs stouter than in Pugettia producta. 



Fifth segment of male abdomen longer than sixth. 



Color. — Dark purplish, besprinkled with testaceous spots becoming 

 large and somewhat ocellate behind, and still 

 larger and brighter on the under side of the 

 body (Randall). 



Measurements. — Male (3108), total length of 

 carapace 100.8, width 85.5 mm. 



Range. — From Santa Barbara, California, to 

 Magdalena Bay, Lower California. 



Material examined. — 



CALIFORNIA 



Santa Barbara; 1880; D. S. Jordan; 1 large 

 male (3108). 



One-fourth mde west of Venice Pier, Venice, 

 Santa Monica Bay; found inside live fish trap; 

 December 7, 1912; Anton Dohrn (J. Ross Beck) ; ^i, (5ooi^4),'''iYxiLLiPE"^>< 

 1 young (50308), from Venice Mar. Biol. Sta. 2.63 



San Pedro; on kelp; H. N. Lowe; 1 young male (23049). 



Santa Catalina Island: Isthmus Harbor; November 27, 1913; 

 Anton Dohrn; 1 female (50014), from Venice Mar. Biol. Sta. Catalina 

 Harbor; 1874; W. H. Dall; 1 young female (14798). Avalon Bay; 

 October 22, 1910; Anton Dohrn (P. S. Barnhart); 1 young (50309), 

 from Venice Mar. Biol. Sta. 



