172 University of California Publications in Zoology ["Vol. 23 



Genus Blepharipoda Randall 



Eye-peduncles very slender, elongated, cylindrical, and articulated in the mid- 

 dle. Antennae with an acicle. Third maxillipeds with third or merus joint narrow 

 and similar to the fourth, or carpus, which is not produced at its antero-external 

 angle. 



Blepharipoda occidentalis Randall 



Plate 31, figure 6 



Blepharipoda occidentalis Eandall, Jour. Acad. Nat. Sci. Phila., 8, 131, 

 pi. 6, 1839; Holmes, Occas. Papers Calif. Acad. Sci., 7, 104, 1900; 

 Eathbun, H. A. E., 10, 167, 1904; Baker, Eept. Laguna Mar. Lab., 1, 

 102, 1912. 

 Characters. — Carapace oblong, scabrous in front, smooth and punctate behind, 

 tapering posteriorly, somewhat obliquely elevated toward the center, which is 

 faintly carinate; median projection of front spiniform; anterolateral margin with 

 three large spines and a smaller fourth one some distance back; longitudinal 

 median ridge with a spine at anterior end only. Antennules not exceeding the 

 length of the carapace. Telson suborbicular, thick and convex in the middle, but 

 with sides laminate. < 



Dimensions. — Type, length about 50.8 mm. 

 Type Locality. — San Diego, California. 



Distribution. — From San Francisco, California (D. S. Jordan), to San Quen- 

 tin Bay and Eosalia Bay, Lower California (Eathbun). 



Remarks. — This large species is one of the most remarkable crustaceans on the 

 coast, found occasionally on sandy shores below low tide. Boys locate them with 

 their feet while in bathing and dive for them (Baker). 



Genus Lepidopa Stimpson 



Eye-peduncles lamellate, compressed, almost squamiform, cornea rudimentary. 

 Antennae with a very small acicle. Third maxillipeds with the fourth joint pro- 

 duced at its antero-external angle into a lobe, which reaches to or beyond the distal 

 extremity of the fifth (penultimate) joint. 



Lepidopa myops Stimpson 



Plate 31, figure 4 



Lepidops myops Stimpson, Ann. Lye. Nat. Hist. N. Y., 7, 241, 1860 (1862) ; 



Miers, Jour. Linn. Soc. London (ZooL), 14, 333, pi. 14, fig. 16, 1879. 



Lepidopa myops Holmes, Occas. Papers Calif. Acad. Sci., 7, 105, 1900 ; 



Benedict, Proc. U. S. Nat. Mus., 26, 892, fig. 4, 1903. 



Characters. — Carapace somewhat square, about as long as wide, marked with 



transverse grooves; median projection of front rounded; anterolateral margin 



with a single spine; longitudinal median ridge unarmed. Antennules more than 



twice as long as carapace. Telson of male triangular, broad, rounded on the sides 



at its proximal and acute at its distal extremity ; telson of female ovate, triangular, 



more rounded and obtuse at its distal extremity. 



Dimensions. — Type, female: length of carapace 10.4 mm., width 11.9 mm. 

 Type Locality. — Cape St. Lucas, Lower California. 



Distribution. — From San Pedro, California, to Cape St. Lucas, Lower Cali- 

 fornia. 



