TROPHON. 377 



general aspect. It is subject to but little variation ; the most im- 

 portant one is, that a third rib is found upon one or more of the 

 u})per whorls. 



[Reeve has figured an undoubted specimen of this species, from 

 Mr. Cuming's Cabinet, as the Buccitium lyratum, Martyn QMurex 

 Gm.^, and the Mar ex glomus ccreiis of Chemnitz, which the latter 

 author gives as coming from King George's Sound, New Holland. 

 His figure is much larger and more ventricose, and is beyond ques- 

 tion a different species. 



Oemis TROPIIOIV, Montfort. 1810. 



Shell fusiform, varices numerous, lamelliform, or laciniated ; 

 spire prominent ; aperture ovate ; canal open, usually turning to 

 the left ; columella smooth, arcuated. 



Trophon clatliratus. 



Fig. 198. 



Shell small, brownish ; whorls six, ventricose, ribbed lengthwise with numer- 

 ous sharp raised plaits ; aperture rounded ; canal curved. 



Mnrex clatliratus, Lin*. &c. 



Murc.r Dawffiiis, Doxovan, Brit. Shells, v. pi. 1 69, fig. 2. — Matox and Rackett, Lin. 



Tran^. viii. 149. —Montagu, Test. Brit. Suppl. 117. 

 Fusus Baiiiffins, Flkmivg, Brit. Aniin. -351. — Browx, Cnnch. of Grcnt Brit. &c. pi. 47, 



fig. 1. — Gould, Inv. 1st ed. 289, fig. 198. — Db Ivay, N. Y. Moll. 148, pi. 36, fig. 



339. 

 Trophon clathratus, Stimpsox, Check Lists, 6. 



Shell small, liglit brownish, composed of six rounded whorls, 

 forming an elevated spire ; suture deeply defined. Tlie 

 stages of growth are distinctly marked by an expansion ^'^■*''*'^- 

 of tlie lip, so as to cover the surface of the shell, lengtli- 

 wise, with from fifteen to twenty sharp, raised folds, of a 

 whitish color, which become rounded into l)rowiiish ribs by 

 age ; aperture less than half the length of the shell, rounded- 

 ovate, terminating in a curved canal, about half as long as 

 the aperture ; lip sharp, direct, or reflexed, according to the stage 

 of growth ; aperture brown. Length, lialf an incli ; breadth, nine 

 fortieths of an inch ; divergence, thirty-three degrees. 



Occasionally found in the stomachs of fishes. Eastport ( Coop- 

 er^ ; Nova Scotia (^Willis}. 



