43 Cane, rugosa Lam. Eiicycl. metli. t. 375 f- 8- China. 



44 Cane, huemastoma «o6iV, Coneh. Illustr. f. 40. Z.P. 1832, 



p. 51. Found in sand at from 10 to 16 fathoms, near 

 the Galapagos islands. Mr. Cuming. 



45 Cane, rigida «o/j/?, Cunch. lllustr. f. 41. Z.P. 1832, 



p. 53. Dredged in sand at 13 fatlioms deep at Puerto 

 Portrero. Mr. Cuming. 



46 Cane, costata Gray, Conch, llhistr. f. 42. Shell oblong, 



fulvous varied and banded with dark brown, longitudi- 

 nally ribbed, and transversely striated ; spire acumina- 

 ted, volutions six, with a flat, sharp-edged space at the 

 upper or posterior part ; ribs distant, sharp-edged an- 

 teriorily, continuing obliquely over the flat space to the 

 sutvire; aperture subtrigonal, outer lip slightly grooved 

 within; columella with two distinct and one very 

 small plait, lip a little rugose ; umbilicus rather large ; 

 length 95, breadth O-?. 



47 Cane, goniostoma «oi/.y. Conch. lUustr. f. 43. Chemn. 



iv. Vign. 37f. a. b. c. Z.P. 1832, p. 51. A single 

 specimen was brought up from a sandy bottom in eight 

 fathoms water at Conchagua by Mr. Cuming. 



48 Cane, trigonostoma nobis, Conch. lUustr. f. 44. Del- 



phinula trigonostoma Zam. vi. pt. ii. p. 231. Shell 

 pyramidal, acuminated, white or pale brown ; volutions 

 five, flat and spirally striated on the vipper part ; the 

 edge of which is strongly keeled and crenated ; slightly 

 longitudinally ribbed and spirally striated on the lower 

 part ; aperture triangular, with a distinct varicose 

 edge, and three small plaits on the columella ; umbili- 

 cus very large, crenated at the edge ; length 9, 

 breadth 0-75. Ceylon. 



Ohs. It is remarkable that in this shell, which is the 

 Bcyrdstrappe of the Dutch Conchologists, the inner edges 

 of the volutions are set against the edge of the 

 umbilicus. 



