<1 Ate 
25 
longitudinaliter striatis, latere antico breviore latiore rotun- 
dato, postico longiore, angustiore subrostrato, valde hiante, 
margine ventrali postice subsinuato. 
Hab. In India Occidentali. 
Shell ovately triangular, concentrically lamellose, lamellee rather 
wide apart, the interstices with distinct longitudinal strize, anterior 
side shorter, wider, and rounded, posterior side longer, narrower and. 
somewhat beaked, widely gaping, ventral margin posteriorly rather 
sinuated. 
Hab. West Indies. (Mus. Cuming.) 
Cuminera Fracitis, A. Adams. C. testa transversd ovali alba 
fragili subpellucidd concentrice lamellosd ; lamellis elevatiuscu- 
lis, subdistantibus, interstitiis tenuissime longitudinaliter stria- 
tis, latere antico latiore margine sinuato, postico angustiore ro- 
tundato subflecuoso, margine ventrali integro arcuato. 
Hab. in Guadaloupia. (Mollusca, Pl. VIII. fig. 7.) 
Shell transverse, oval, white, fragile, semipellucid, concentrically 
Jamellose, lamellz rather elevated and wide apart, interstices very 
finely longitudinally striated, anterior side wider, the margin sinuated, 
posterior side narrower, rounded, subflexuous, ventral margin entire 
and arcuated. 
Hab. Guadaloupe ; Governor Admiral Tourbeyre. (Mus. Cuming.) 
Cuminera striata, A. Adams. C. testd ovato-trigonali sub- 
ventricosd albd tenui fragili ; striis transversis concentricis ele- 
vatis confertis, interstitiis longitudinaliter striatis, latere an- 
tico latiore rotundato, postico subacuminato, margine ventrali 
posticé coarctato. 
(Mollusca, Pl. VIII. fig. 5.) 
Shell ovately trigonal, somewhat ventricose, white, thin, fragile, 
with transverse concentric crowded elevated striz, the interstices 
longitudinally very finely striated, anterior side wider and rounded, 
posterior side rather acuminated, ventral margin posteriorly con- 
tracted. 
Hab. Conception ; seven fathoms, sandy mud; H. C. (Mus. Cu- 
ming.) 
Cumrneia stnvosa, A. Adams. C. testd subtrigonalt albd semi- 
pellucidd subequilaterali concentrice lamellosd, insterstitiis lon- 
gitudinaliter substriatis, latere antico sublatiore rotundato, 
postico angustiore, margine ventrali postice valde sinuato. 
Hab. in India Occidentali. (Mollusca, Pl. VIII. fig. 6.) 
Shell subtrigonal, white, semipellucid, subequilateral, concentrically 
lamellose, interstices longitudinally substriated, anterior side rather 
wider and rounded, posterior side narrower, yentral margin posteriorly 
deeply sinuated. 
Hab. West Indies. (Mus Cuming.) 
