30 



RATHBUN 



Distribution.— Ytom San Diego, California (type locality), to Gulf of 

 California. Bay of St. Elena, Ecuador (Nobili). Specimens are in the Na- 

 tional Museum from San Bartolome Bay, Magdalena Bay, and La Paz 

 Harbor, Lower California, and Carmen Island, in the Gulf of California ; 

 all of these were collected by the Albatross. 



PAL^MONETES KADIAKENSIS Rathbun. 

 Palcemonetes kadiakensis Rathbun, Proc. U. S. Nat. Mus., xxiv, 903, 1902. 

 Rostrum about as long as the carapace ; it may be a little longer or a 

 little shorter; nearly horizontal, very slightly upcurved, dorsally 6- or 



Fig. 9. Palamoneies kadiakensis. 9 (X ^g). Kadiak. 



7-serrate, one tooth behind the orbit, ventrally 2- or 3-serrate. Sub- 

 orbital angle rounded, a spine just below it, also an antennal spine; 

 antero-lateral angle rounded. 



Eye wider than the stalk, Hght-colored in alcohol, a small black ocellus 

 above near its margin. Antennular peduncle reaches about four fifths 

 the length of antennal scale, basal joint the longest, having an outer scale 

 which projects along one third of the second joint, and is tipped at its 

 outer distal angle with a small spine. The outer filament of the outer 

 flagellum is over half as long as the body ; the inner filament is very 

 short, equaling in length the last segment of the peduncle; inner flagel- 

 lum about three fourths as long as outer. 



