308 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



Maxillipeds with the second, third, and fourth articles of the palp 

 produced into lobes. 



Branches of the uropoda unlike in the male, the outer branch being 

 incapable of folding under the inner branch; only the outer branch 

 salient. 



In the opinion of Dr. H. F. Moore and Prof. S. J. Holmes the 

 males and females are unlike, the female being similar to the female 

 of the genus Dynamene. 



All the species which I have referred to this genus are without the 

 long median spine or process of the first abdominal segment charac- 

 teristic of the type species, C. latreilU Leach. The species of this 

 genus described by Haswell" and Miers* also have the long spine. 

 Haswell figures one specimen, which he supposes to be the female of 

 C. spinulosa or of C. hy strive, which lacks the dorsal spine on the first 

 abdominal segment, but in which the uropoda are similar to those of 

 the male. 



Miers says that the females of CUicsea latreilU differ from the male 

 in lacking the spine on the first segment of the abdomen and in hav- 

 ing the uropoda with the inner branch produced and the outer branch 

 short, resembling the uropoda of Cyrnodoce. 



Milne Edwards places Cilicsea caudata (Say) in the section of the 

 genus Ndesa, corresponding to OUiceea Leach. It may be that a new 

 genus will be required for these forms which lack the spine on the 

 first abdominal segment, but until more is known about the sexes I 

 shall, for the present, not remove them from the genus Cilicaea* where 

 I originally placed them. 



Whitelegge* refers to the genus Cilicae-a several species in which 

 the male has the first abdominal segment not produced in a long 

 process. 



ANALYTICAL KEY TO THE SPECIES OF THE GENUS CILICJEA. 



a. Surface of body densely granulated. 



b. Terminal sinus of last abdominal segment without tooth on either side of the 



lateral angles of the sinus CUicsea linguicauda Richardson 



b'. Terminal sinus of last abdominal segment with a tooth on either side of the 



lateral angles of the sinus CUicsea granulosa Richardson 



of . Surface of body not granulated. 



b. Terminal segment of abdomen with three sinuses in a longitudinal series, each 

 opening into the other, the two upper sinuses being heart-shaped. Outer 

 branch of uropoda armed with four spines or teeth, and extending but little 



beyond the tip of the abdomen CUicsea cordata Richardson 



b'. Terminal segment of abdomen with one sinus. Outer branch of the uropoda 

 unarmed, and extending much beyond the tip of the abdomen. 



Proc. Linn. Soc. New South Wales, VI, 1881, pp. 183-186. 

 &Zool. Collections of the Alert, 1884, pp. 308-310. 

 cHist. Nat. Crust, III, 1840, pp. 218-219. 

 <* Austral. Mus. Mem., IV, 1901, pp. 201-246. 



