DECAPODS 143 
Distribution.—Bering Sea and Aleutian Islands, 11% to 55 fathoms 
at 24 stations of the A/datross, Aleutian Islands to Sitka, 5 to 28 fathoms, 
at 10 localities (W. H. Dall); Alaska (U.S. R. S. Corwin), one specimen ; 
Bering Island, some specimens taken from the stomach of Gadus macro- 
cephalus (N. Grebnitzky). 
NECTOCRANGON LEVIOR Rathbun. 
Nectocrangon levior RATHBUN, Proc. U.S. Nat. Mus., XXIv, 892, 1902. 
This species is very close to WV. crassa. The first four abdominal seg- 
ments are non-carinate, except for a short feeble elevation on the first; 
the first segment has a 
median tubercle; and - 
the pleura of all the 
segments have shallow 
depressions suggestive 
of the sculpturing of JV. crassa, the carine 
of the fifth and sixth segments are less 
clearly marked than in &. crassa. qiiaece: “ieerneneoredceed oni 
Dimensions.— Female, length Ag ata ae, ae. poe 3 
length of carapace 13.1 mm. 
Distribution.—This species is more rare than WV. crassa and extends 
farther south. One female was taken in Admiralty Inlet, Puget Sound, 
40 fathoms, station 2865, by the A/batross, and serves as the 
(| 1" type. Another female was dredged off Cape Beale, Vancou- 

6 
ver Island, in 34 fathoms, station 2880. One female from 
Fic. 87; Nee- Portlock Bank, 68 fathoms, station 2856. Six females and 
tocrangon levi- one male come from Davidson Bank, south of the Aleutian 
Station "2865. Islands, 42 fathoms, station 2845. One or two specimens 
Chela. “were taken by Dr. Dall at each of the following localities : 
Port Levashef, Unalaska, 20-30 fathoms. 
Semidi Islands, 12-28 fathoms. 
West side Middleton Island, 10-12 fathoms. 
Genus Paracrangon Dana. 
PARACRANGON ECHINATA Dana. 
Paracrangon echinatus DANA, ree Acad. Nat. Sei... Phila;, -1852; p.:203 
Crust: OU; S.. Expl. Exped., 1, p. 538, 1652, pl. XXXII, fig.'6, 1955. 
— HOLMES, Occas. Papers Calf Acad. Sci., vil, 176, pl. J, figs. 36 and 
37, 1900, and synonymy. 
Carapace furnished with a median carina unequally four-toothed. 
Rostrum long, obliquely erect; posterior margin with one tooth near the 
