VARIETIES OF NASSA. 
Ribs slightly nodose. 
72. Ribs thin and distant. 
More elongated, passing into the N. echinata, A. Ad. 
Body-whorl short, spire elongated, noduled, not more than half 
the usual size. 
White, with purplish-brown bands. 
White, with a broad rufous band on the body-whorl, and a 
fine thread-like line of a similar colour at the suture. 
Short and broad, resembling the N. Gruneri, D’k’r. 
Strongly noduled, banded poe purple, apex purple, as in 
N. geniculata, A. Ad, 
Ribs rounded, passing into the N. pura, Marr. 
Horrida, Dkr. Phil. Abbild., pl. 2,f.8. =curta, Gould. SamoaIs. 
Of a rufous brown, passing into N. muricata, Quoy and Gaim. 
Shell elongated. 
Short and broad. Reeve, pl. 11, f. 69. Andaman Islands. 
Vibex, Reeve, pl. 12, f. 81. H. and A. Adams’ Recent 
Mollusca, vol. 1, p. 121. (Not Say !) Philippines. 
5 Subspinosa, Lam., vol. 10, p.173. Kien., pl. 26, £103. Ditto. 
Broad, nodules very prominent. 
Shell more elongated, with two spiny keels. 
Shell with three keels, probably the N. tricarinata, Lam. 
Dark brown, banded with white. 
Showing a close affinity with varieties of N. muricata, Q. and G. 
Pale olive, banded with brown and white. A beauty! 
2 The nodules connected by the ribs. 
Is a tall form, with broad ribs, nodules fading. 
194 Closely resembling the N. corticata, A. Ad. 
195 Strongly ribbed, but only noduled at the sutures. Philippines. 
196 Tallandelongated, slightly ribbed, covered witha brown epidermis 
197 Lirella, Marr. Pamphlet, p. 6, pl. 1, f. 18. Philippines. 
198 Whorls rounder, " pee We: 
199 Brown, with a central white band, ribs smooth and shining, 
Sculpta, Marr. Pamphlet, p. 5, pl. 1, f. 30. Philippines. 
Fossata, Gould. =Elegans, Reeve. Con. Syst., p. 234, 
pl. 268, f. 3, 1841-2. (Name pre-occupied by J. Sow., 
1824), California, 
