THE FOSSIL STALK-EYED CRUSTACEA 25 



Occurrence. — California : 



Canoas Creek, three-fourths of a mile below Hugo Kreyenhagen's 

 ranch house, 16 miles southeast of Coalinga, Fresno County; in a 

 rather hard, coarse blue-gray sandstone layer about 125 feet strati- 

 graphically below the top of the Etchegoin formation. Pliocene 

 series; one adult female. Cat. No. 1G5476, U.S.N.M. (pis. 2 and 3: 

 pi. 4, fig. 1). 



Rincon del Potrero, Santa Monica, Los Angeles County; Pleis- 

 tocene series; 60 fragments of fingers; Cat. No. 353369, U.S.N.M. 

 One of the fragments, the basal portion of a movable finger, belongs 

 to a larger specimen than any Recent individual recorded. The 

 greatest width of the upper surface of the dactyl, close to the 

 condyles which articulate with the propodus, is 22.2 mm. The corre- 

 sponding v/idth in the largest Recent specimen in the United States 

 National Museum is 17 mm., the carapace having a length of 20 cm. 



Range of Recent specimens. — From San Francisco, California, to 

 San Martin Island, Lower California; to a depth of 68 fathoms. 



LOXORHYNCHUS CRISPATUS Stimpson 



Loxorhynchus cri^patus Stimpson, Jouru. Boston Soc. Nat. Hist., voL 6, 

 1857, p. 453, pi. 22, figs. 2^.— Rathbun, Bull. U. S. Nat. Mus., No. 

 129, 1925, p. 200, pis. 66 and 67. 



Occurrence. — California ; Pleistocene series : 



Long wharf, Santa Monica; one immovable finger of young 

 specimen. 



Deadman Island, southeast of San Pedro; one rostrum with adja- 

 cent part of carapace, two movable, and one immovable, finger, all 

 from young specimens. 



Range of Recent specimens. — From San Francisco to San Diego. 



Genus CHORILIA Dana 



Vhorilia Dana, Amer. Journ. Sei., ser. 2, vol. 11, 1851, p. 269 ; type, C. 

 longipes Dana. — Ratiibun, Bull. U. S. Nat. Mus., No. 129, 1925, p. 202. 



Carapace subpyriform, convex. Rostral spines long, slender, 

 divergent. A preoi ular spine; supraocular hood separated by a 

 U-shaped sinus from postocular cup. Palm compressed, upper mar- 

 gin acute ; fingers denticulate, gaping in basal portion. 



Pleistocene; Recent. Not before found fossil. 



CHORILIA, species 



Plate 1, fig. 2 



A small finger only 6.2 mm. long, having the appearance of an 

 adult male. It resembles the dactylus of O. longipes Dana,- with one 



= Amer. Jouin. Sci., ser. 2, vol. 11, 1851, p. 2G9. Rathbun, Bull. U. S. Nat. Mus.. No. 

 329, 1925, p. 203, pi. 224, figs. 1-3; pi. 225; text-figs. 81 and 82. 



3020—26 3 



