164 BULLETIN" 129^ UNITED STATES NATIONAL MUSEUM 



La JoUa; in kelp hold-fast on beach; September 19, 1918; W. L. 

 Schmitt; 1 female (53978). 



Point Loma; January 28, 1889; Albatross; 3 females (15517). 



San Diego; H. Hemphill; 7 young females (18139). 



California; T. Nuttall; 1 large male, 1 adult female, cotypes 

 (598, Phila. Acad.). J. S. Kingsley; 1 young female (53064), from 

 Boston Soc. Nat. Hist. 



CALIFORNIA-MEXICAN BOUNDARY 



Lat. 32° 32' N., long. 117° 07' W.; Monument 258, Mexican 

 Boundary Survey; July 18, 1894; Dr. E. A. Mearns, U. S. A.; 1 

 female, encrusted with barnacles (18661). 



LOWER CALIFORNIA, MEXICO 



San Benito Island: July 25, 1896; A. W. Anthony; 1 male (19506). 

 West of; March 9, 1911; Albatross: 1 young female (Amer. Mus.). 



Natividad Island; August 3, 1896; A. W. Anthony; 1 female 

 (19507). 



Ballenas Bay; May 3, 1888; Albatross; 1 female (21904). 



Magdalena Bay; March, 1917; C. R. Orcutt; 1 young (50655). 



TALIEPUS MARGINATU3 (Bell) 



Plates 52 and 53; plate 220, fig. 2; plate 221 



Epialius marginatus Bell, Proc. Zool. Soc. London, vol. 3, for 1835 (1836), p. 

 173 (type-locality, "ad oras Brasiliae" ; type not extant); Trans. Zool. 

 Soc. London, vol. 2, 1836, p. 62, pi. 11, fig. 4, 4i, 4j, 4fc (9), pi. 13 (tf ).— 

 Heller, Reise Novara, Crust., Wien, 1865, p. 5. — Smith, Trans. Connecti- 

 cut Acad. Sci., vol. 2, 1869, p. 33. — A. Milne Edwards, Crust. Reg. 

 Mex., 1878, p. 138.— Miers, Proc. Zool. Soc. London, 1881, p. 66.— 

 Ortmann, Zool. Jahrb., Syst., vol. 7, 1893, p. 42. — Lenz, Zool. Jahrb., 

 Suppl. 5, 1902, p. 756.— Rathbtjn, Proc. U. S. Nat. Mus., vol. 38, 1910, 

 p. 534, pi. 36, fig. 2. — AuRiviLLius, K. Svenska Vet.-Akad. Handl., vol. 

 23, 1889, p. 43. 



Epialtns {Anlilihinia) marginatus Miers, Journ. Linn. Soc. London, vol. 14, 

 1879-, p. 650.— Rathbun, Proc. U. S. Nat. Mus., vol. 17, 1894, p. 69. 



Diagnosis. — -Propodites of legs armed below with a tooth. A pre- 

 orbital tooth. Postorbital tooth obsolete. 



Description. — Carapace very convex, suborbicular, save for the 

 flat deflexed rostrum, smooth; lateral margin narrowly rimmed, the 

 rim ending forward in a strong, antero-lateral tooth, pointing forward, 

 and posteriorly with a slight thickening; a shallow obtusangled tooth 

 or lobe at widest part. Posterior edge of orbit a little swollen, but 

 without tooth. An acute hepatic tooth half way between the orbit 

 and the larger antero-lateral tooth. Rostrum longer and narrower 

 than in T. nuttallii; a small, blunt preocular tooth on either side; 

 terminal emargination small, longer than its greatest width. 



