DESMOULEA. r)5 



N. I'KLLUCiDA, Risso. PI. 18, fiii-. 360. 



Hyaline, with opaque white spots and callus; frequently brown- 

 spotted around the suture, and sometimes on the periphery. 



Diani., -^S-^SS inch. 



Mediterranean Sea. 



Weinkauff considers this var. minor of N. nerifea^ but the 



coloration is decidedly different as well as the size being smaller. 



N. Kamieschi, Chemn. PI. 18, figs. 357, 358. 



Brown, with a wiiite sutural and peripheral band, callosity 

 rosy-brown. Last whorl enveloping a portion of the spire, which 

 onl3^ shows three minute whorls, and has a sharp point. 



Black Sea. 



(Jcnus DESMOULEA, Gray. 



Desmoulea is remarkable for its obtuse apex and solid growth, 

 mucli resembling some species of Cassididae; when in fine con- 

 dition, the shell is clothed with a velvety epidermis, but most 

 cabinet specimens are denuded of this. The animal is unfortu- 

 nately unknown, and therefore the s^^stematic position of the 

 genus remains somewhat uncertain — for, whilst some species 

 connect closely with Nassa^ the revolving sculpture, globose 

 form, sunken suture and mouth of others are suggestive of 

 Semicassis. 



D. ABBREVIATA, Gmelin. PL 18, fig. 361. 



Yellowish white, with chestnut-colored spots and strigations. 



Length, 1-1-5 inches. 



Caj^e of Good Hope. 

 Differs from all the other species in its distant incised revolv- 

 ing lines. 



D. piNGUis, A. Adams. PI. 18, figs. 362-364. 



Yellowish and white, variegated, with alternate white and 

 yellowish brown ii-regular spots around the suture; revolving 

 sculpture close and fine raised lines. Length, 1 inch. 



Senegal, Japan. 



The latter localit}^ is assigned for D. crassly A. Ad. (fig. 364), 

 which Reeve changed to Nassa ponderosa, the former name being 

 preoccupied in Nasso. D. pulchra, Gray, the type of his genus is 



