202 
VARIETIES OF NASSA. 31 
Pagoda, Reeve. Triton, pl. 22, f.97. Nassaria, H. & A. Ad. 
Hab. ? 
Ribs wider apart, the transverse lines are very distinct. 
Gault. Test., pl. 51, f. 1. 
Verrucosa, Gmel. Gault., pl. 43, f. M. 
Ribs strong, shell much paler in colour. NN. decussata, Reeve, 
pl. 18, f. 121. = canescens, C. B. Ad. - 
Similar to the last, but very pale, as if the colour had faded. 
With the ribs as in the figure, Kiener, pl. 30, f. 3. 
The ribs are obsolete on the back of the last whorl, transverse 
granular striz very distinct. 
Much more elongated, with very strong ribs and nodules. 
Shorter and broader, like the shell figured by Kiener, but 
strongly noduled. 
211 Corpulenta, C. B. Ad. Panama. 
— 
bo bw bo 
Oe ed OS) 
bo 
oo 
bo 
bo 
nS 
Rufolineata, Marr. =polygonata, Reeve, (not Lam.!) pl. 18, 
f. 123. Philippines. 
Acuta, Carp’t’r. Brit. Mus. Mazatlan Shells, p. 497. 
Polygonata, Lam. Kien., pl. 29, f. 119. 
Polygonata, D’Orb. ; ‘‘Voy. dans L. Amer. Merid.,” p. 433. 
West Indies. 
Tritoniformis, Kien., pl. 50, f. 2; operculum triangular, 
crenated on one side. West Africa. 
Large. Reeve, pl. 18, f. 120. 
Short and broad, with strong varices; in the Collection of 
A. W. Langden, Esq., Hastings. 
Very pale, almost white, columella callous, slightly expanded. 
Narrow and elongated ; this variety was named in the Brit. 
Mus., N. acinosa, Gould. 
Small, passing into varieties of N. incrassata, Miill. 
Ribs few and distant. 
Incrassata, Miill. —=ascanias, Brug.; Lacepedii and Ferrussaci, 
Payr.; macula, Mtg ; minuta, Penn; and exilis. Gmel. 
Seas of Europe, &e. 
Whorls granular, lip expanded, columella plicate, intermediate 
between the last and N. tritoniformis, Kien. 
Broad, strongly ribbed and cross-grooved, passing into the 
varieties of N. tritoniformis, Kien. 
Taller, lip expanded, Reeve, pl. 17, f. 114, 
