207 



Bucclnum. 



stromboides . . oblongo-ovate, smooth, a groove between the 



right hp and spire — 2 inches. 

 striatulum. . the turns rounded, striae transverse — small. 

 terebrale. . long, smooth, rather turriculated — | inch. 

 decussatum. . the whirls convex ; opening subdentated — ^ inch. 

 histriatum. . striae alternately larger and smaller, a slight border 



on the lip — 1 inch. 

 clavatulatum. . long, lip emarginated in the upper part — very 



small. 



Terebra. 



plicatula. . the last turn smooth, the rest plaited — 1 inch. 

 scalarina. . longitudinally ribbed, turns convex — 1 inch. 



Harpa. 



mutica. . ribs plain, not pointed ; decussating intercostal striae 

 — 1 inch. 



Cassis. 



harpaformis. . ribs longitudinal, with a transverse row of tu- 

 bercles at their upper part — 2 inches. 

 cancellata. . with two rows of tubercles, lip dentated. 

 carinata*. . with five carinated girdles, the upper tubuculose. 



Strombus. 



canalis. . longitudinally ribbed, the lip notched. 



Rostellaria. 



macroptera-f . . lip large and round, running up the spire — from 



6 to 7 inches. 

 colomharia. . lip alaeform, bent upwards on the spine — 2 inches. 

 fissurella. . longitudinally ribbed ; lip small, passing up the turns 



and forming a groove — 1 J inch. 



Murex. 



tripterusX. .txigonoX, with angular, winged, membranaceous 

 processes — 2 inches. 



tricarinatus. . ovato-oblong, with curled, frondose, subspinous 

 processes — If inch. 



contahulatus. . spire long, subpyramidal ; mouth subtrigonal — 

 var. ? 



calcitrapa. . ovate, frondose ridges, terminating in points ; colu- 

 mella subumbilicated. 



crispus. . ovate, with about nine frondose but not spinous ridges ; 

 the mouth and canal short — | inch. 



frondosus. . ovato-oblong, with about nine curled frondose va- 

 rices ; the canal rather long — | inch. 



* Buccinum nodosum — Brand, Foss. No. 1.31. 

 f Strombus amplus — Brand, Foss. No. 76. 

 I Brand, Fos. No. 79 and 80 ? 



