TROCHUS 
Species 63. (Mus. Cuming.) 
Trocuts TuBER. Troch. testd imperforata, conoideo-tur- 
binatd, fusco et viridi variegaté ; anfractibus declivi- 
convewis, deinde rotundatis, oblique costatis el granu- 
Jatis, costis amplis, tumidis, obsolete tuberculatis ; basi 
convexo-pland, laevigata. 
THe tuBer Trocuus. Shell imperforate, conoidly tur- 
binated, variegated with brown and green; whorls 
slopingly convex, then rounded, obliquely ribbed an¢ 
granulated, ribs large, swollen, obsoletely tubercled ; 
base convexly flattened, smooth. 
Linnzus, Syst. Nat. p. 1230. 
Lithopoma tuber, Gray. 
Hab. West Indies. 
This well-known species is not from the Mediterranean, 
as stated by Linneus, but from the West Indies. 
Fig. 64. (Fig. a, 6, Mus. Cuming.) 
Trocnus steLtarus, Zroch. testa imperforatd, conicé, 
olivaceo-virente ; anfractibus convexo-declivibus, sub- 
tiliter pticato-corrugatis, ad marginem oblique squa- 
mato-tuoerculatis ; basi plano-convexd, minute confer- 
tim squamato-striatd, callositate anco-cerulescente. 
Tue starred Trocuus. Shell imperforate, conical, 
olive-green ; whorls convexly sloping, faintly plicately 
wrinkled, obliquely seale-tubercled at the margin ; 
.—Puate XI. 
base flatly convex, minutely closely scale-striated, 
callosity verdigris-blue. 
GMELIN, Syst. Nat. p. 3600. 
| Hab. y 
It is scarcely possible to determine exactly which species 
is Gmelin’s 7. sfel/atus, but this appears to be the shell 
assigned to it by Philippi at pl. 21. f. 4 of his monograph. 
| The tubercular scales are sometimes prominent, sometimes 
| almost obsolete. 
Species 65. (Mus. Cuming.) 
TrocHws LaPILLus. TLroch. testd imperforatd, obtuse tur- 
binata, fulvescente, ad basin rufescente tincta ; an- 
Sractibus jucta suturas depressé declivibus, deinde tu- 
| mido-rotundatis, longitudinaliter rudé costatis, costis 
| irregulariter corrugatis et tuberculatis ; basi concead, 
confertissime rregulariter squamatda. 
THE LITTLE sTONE Trocuus. Shell imperforate, obtusely 
| turbinated, fulvous, tinged with red at the base; 
whorls depressly sloping next the suture, then tu- 
midly rounded, longitudinally rudely ribbed, ribs ir- 
regularly wrinkled and tuberculated; base convex, 
very closely irregularly scaled. 
P) 
Hab. 
Sculptured in a very rude and irregular manner, and 
_ allied in general character to 7, calcar. 
