DECAPODS 141 
than in JV. ovifer, and the anterior margin (against which the dactylus 
fits) in consequence more longitudinal. 
The first and second abdominal segments are without a 2 
& 
carina; that on the third and fourth segments is rather feebly 
developed. 
Dimensions.—Male, length 31 mm., length of carapace 5, 9, voc. 
tocrangon calie 
8.6 mm. JSorniensts (X 
Dj pe locality.—Ofk Santa Catalina Island, California, 80 3)... Sates 
fathoms (A/éatross station 3664). 6. Chela. 
Additional localities.—Off Santa Cruz Island, California, 155 fathoms, 
station 2949; south of Santa Catalina Island, 59 fathoms, station 366s 
(specimen 39 mm. long). 
NECTOCRANGON ALASKENSIS Kingsley. 
Nectocrangon alaskensis KINGSLEY, Bull. Essex Inst., XIv, 128, 1882. 
Female.—Three equidistant spines on the median carina, and between 
these and the spine on the anterior margin there is usually a small spine. 
Lateral carina scarcely traceable. Antennal spine large. Spine of an- 

Fic. 82. WNectocrangon alaskensis. ¢ (X_14). a. Dorsal view of carapace and 
abdomen. Station 2869. 6. Side view. Station 2868. 
tennal scale overreaching the blade. Hands of first pair of feet about 
four and a half times as long as wide, anterior margin longitudinally 
oblique. Sternal crest in the male armed with slender spines. First to 
fourth abdominal segments smoothly rounded; fifth having a 
’ sharp median crest ending posteriorly in a sharp spine, and a 
spine at the postero-inferior angles ; sixth segment with two sharp 
crests terminating in small spines; the posterior margin has 
Fic. 83. also a large supero-lateral spine, and a small infero-lateral 
Nectocran- 
gon alasken- 1 
ie 8 (% spine. 
12). Station — )faJe,—Smaller than the female. The spine at the antero- 
2869. a. Aci- 
cle. 6. Chela. Jateral angle is much longer than in the female, considerably 
overlapping the antennal scale. The scale is a little longer also. The 
a 
