ccxl 
SHELLS. 
The following notice of the Shells collected by the Expedition, has been 
^ furnished by John Edward Gray, Esq. 
Sub Kingdom, Mollusca. 
Class. — Gasteropodophora. 
Order. — Ctenobranchia. 
Fain. — Muricid^. 
Genus. — Buccinum. Linne. 
* Canal none, aperture base-cut. 
Species — B. glaciale, Donovan Brit. Shells, t. 154<. 
Tritonium glaciale, 0. Fabr., Faun. Groenl., 397. 
** Canal short, open, bent to the left. 
Species — B. Sabinii. 
Testa oblonga, ventricosa, alba ; anfractibus quinque, convexis, longitudi- 
naliter costatis ; apertura ovata ; eanali brevi. ‘ 
Buccinum Sabinii ; Gray Syst. Moll. Ineditum. 
Shell oblong, ventricose, white; whorls five, convex, slightly longitudi- 
nally rib-striated, finely transversely wrinkled ; epidermis thin, pale ; aper- 
ture ovate, half the length of the shell, ending in a short open canal ; colu- 
mella smooth, outer lip thin, inside slightly- crenated ; axis three-fourths 
of an inch, diameter three-eighths. 
It differs from Buccinum corneum, (Murex corneus, Lin.) by not being so 
