VARIETIES OF NASSA. 
Scalarina, Marr. Pamphlet, pl. 1, f. 27. New Zealand. 
With the last whorl semicostate. 
Vittata, A. Ad. P.Z.S., 1851, p. 114. Reeve, pl. 24, f. 160. 
An elongated N. teretiuscula, A. Ad. 
Ribs smooth, interstices closely grooved, N. serotina, A. Ad. 
Australia. 
With smooth interstices. 
Wax yellow, longitudinally ribbed and transversely grooved, 
N. tenella, Reeve, pl. 16, f. 163. Cases Bay. 
Smaller, resembling varieties of N. incrassata, Miill., into 
which it merges ; allied to the N. serotina, A. Ad. Reeve, 
pl. 16) 2007: 
Very narrow, white, and closely cancellated ; is the N. rissoides, 
Marr. Pamphlet, pl. 1, f. 25. 
Exilis, Powis. P.Z.S., 1835, p. 95. 
Between N. exilis, Powis, and Stimpsoniana, ©. B. Ad. 
Glabrata, A. Ad. P.Z.S., 1851, p. 114. Reeve, pl. 24, f, 157. 
Much narrower than the last, with darker and more numerous 
bands. N. glabella is the smooth form, N. maculata is 
grooved, N. labiata is the costate form, and N. vittata con- 
nects them with N. capensis; N. glaberrima, Gmel., and 
N. incrassata, Miill., are very closely connected. 
Glaberrima, Gmel. Martini, pl. 125, £1177. Wood’s Index, 
pl. 23, £. 90. Mediterranean, Eastern Seas, Xe. 
3 Freckled with brown and white dots. 
Unifasciata, Kien., pl. 14, f 50, is smooth, with a central 
brown band. 
Taller and narrower than the last. 
Cuvierii, Payr. Corsica, pl. 8, f. 17, 18 ; is beautifully mottled. 
Very dark brown, columella expanded, resembling the shell 
figured by Kiener, pl. 20, f. 76. 
Like unifasciata, band broader, and tessellated with brown and 
white. 
2 Dark brown, very like the shell figured by Kiener as N. 
polygonata, pl. 27, f. 107. 
93 Closely allied to the last is another shell, figured by Kiener at 
94 
95 
pl. 20, f. 76, as the N. Cuvierii, Payr. 
With short interrupted brown transverse lines, varix strong. 
Has transverse continuous lines, and is broader. VN. tinei, 
Marav. 
