819 
VARIETIES OF NASSA. 55 
Fissilabris, A. Ad. P.Z.S., 1851, p. 99. Reeve, pl. 21, f. 138. 
Philippines. 
Glauea, C. B, Ad. Panama Shells, p. 61. Reeve, pl. 21, f. 139. 
Panama. 
Parva, Marr. (See description.) Australia. 
4 Albipunctata, Reeve, pl. 21, f. 144. 
Roissyi, Desh. Kien., pl. 21, f. 82. Another ~specimen, 
with the operculum crenated on the side next the labrum has 
just been received from Surgeon-Major S. Archer, Singapore. 
Pauperata, Lam. Vol. 10, p. 183. Reeve, pl. 5, f. 27. 
Australia. 
White. 
Brown. 
», with two darker brown bands. 
Yellow, with a central brown band. 
Ribs smooth, with a few scattered sulci in the interstices. 
Strongly grain-ribbed. 
Semicostate. 
Narrow, passing into the N. Gayi, Kien. 
» passing by imperceptible gradations into the N. semi- 
granosa, D’k’r. 
Large, passing into the N. dentifera, Powis. 
Strongly coronated, passing into the N. marginulata, Lam. 
Resembling in form the Cyllene lyrata. 
Gayi, Kien., pl. 21, f. 79, Reevé, pl. 13, £. 87. 
=rubritincta, Gould. Capt. Whiteway, near Valparaiso. 
Inner lip smooth, operculum plain. 
5» grooved, operculum crenated. 
Shell dark purple-brown, operculum serrated ; N. lilacina, Gould. 
White, dotted with red-brown. 
Tall and elongated, almost smooth. 
Short and broad, passing into the N. Woodwardi of Authors 
(Not Forbes). 
Passing into the N. pauperata, Lam. 
= N. incrassata, Mill. 
Coronated at the sutures, showing an affinity with N. fasciata, 
Lam. 
Whorls rounder than is usual, white, slightly stained with pale 
brown, ribs very oblique. 
