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VARIETIES OF NASSA. 39 
Canal slightly open. Mart. and Chem., ed. 2, pl. 7, f. 8-9. 
Smooth, whorls round, ventricose. 
Levis, H. and A. Ad. (not Chem.!) Recent Mollusca, vol. 3, 
ple 12; £ 7. 
2 Trifasciata, Gmel., p. 3489. Gault. Test., pl. 44, f. A. 
=rutilans, Reeve. New Holland. 
=unicolora, Kien, : 
Broad, smooth, glossy; evidently the smooth form of 
N. canaliculata, Lam., and N. nodifera, Powis. 
Unicolorata, Reeve, pl. 3, f. 17. Shell of a bluish ash colour. 
Jukes, N. Australia. 
Unicolora, Kien., pl. 19, f 69. Shell ashy-grey, narrow in 
form. 
Ash, olive and grey ; is the N. rutilans, Reeve, pl. 22, f. 147. 
New Zealand. 
Of a rufous-brown colour. 
With three internal brown bands. (Hence the name trifasciata.) 
Elongately oblong, very fine. 
Smaller and narrower, of a dark red-brown colour. 
White. 
2 Ash-grey, with two brown bands. 
Orange, with ditto. 
Oblong-ovate, pale in colour. 
Resembling in form the N. sequijorensis, A. Ad. (I have no 
doubt of this being the smooth form of the shell named.) 
Of a dark purple colour, both externally and internally. 
Small, almost fusiform, showing its close affinity to N. micans, 
A. Ad. 
Monile, Kien., pl. 11, f. 40. Pale, ribs smooth. Philippines. 
Slate coloured, with darker bands. Reeve, pl. 6, f. 38. 
Ash-grey, with darker bands. 
Lip having sharp denticles on its edge. 
», without denticles. 
Ribs strong, curved. 
», almost obsolete. 
A nti variety ; is the N. distorta, A. Ad. Reeve, pl. 5, 
. ol. 
Another shell, the N. lachrymosa, Reeve, pl. 8, f. 52, is a smooth 
form. 
