FAXON: NOTES ON THE CRUSTACEA. 
Iconaxius caribbaeus, sp. nov. 
Plate I. Figs, 1-4. 
Similar to Iconaxius acutifrons Date, but different in the form of the ros- 
trum, which is much broader than in J. acutifrons, less triangular in its out- 
line, and broadly rounded at the anterior end; the upper border of the 
propodite of the larger cheliped, moreover, is entire, not dentieulate as in 
I. acutifrons. The eyes are larger, and more heavily pigmented. 
The margins of the rostrum are minutely denticulate, as in J. acutifrons, 
the median keel entire. 
Length, 17 mm. 
Station 166. 150 fathoms. I specimen. 
L1 232. 88 « l “ 
% 241. 163 RR 
C 1 (type). 
Lives as a commensal in Sponges of the genus Farrea. 
The genus Zconaatus, of which four species have been previously described, 
has a wide distribution in the warm and temperate seas, It has been recorded 
from such remote localities as the Arabian Gulf, Banda Sea, Japan, Kerma- 
dec Islands, and the Gulf of Panama. It is now for the first time recorded 
from the Atlantic. 
Polycheles crucifer (W.-S.). 
Station 29. 955 fathoms. 3 specimens, 
» 135. 450 * 1 " 
« 179. Bot u 1 (exuvie), 
" 180. gog -of l specimen, 
" ie Isle = 1 “a 
&g 188. 372 « 1 e 
4 190. 542 ac 1 
Polycheles agassizii (A. M. Epw.). 
Station 129. 314 fathoms, 3 specimens. 
4 153. 303 K l * 
di 238. 127 * l 2d 
2 260. 291 = l AF 
Wo XS Vi 3997 ü 1 t 
Polycheles sculptus Smitu. 
Station 911. 
e 
357 fathoms. 
573 
464 
3 specimens. 
l 
« 1 
227. “ ji 
80. 5 
