AQT 
408 
VARIETIES OF NASSA. 
Foliosum, Wood’s Index, pl. 22, f. 39. Amboyna. 
Algida, Reeve, pl. 22, f. 145. Moreton Bay, Australia. 
Intermediate between the last and the N. elegans, Kien. (name 
pre-occupied). 
Intermediate between the N. elegans, Kien., and N. levigata, 
Marr. 
Ferruginous brown, resembling the varieties of N. picta, D’k’r. 
Resembling the N. foliosum, Wood, but spotted at the sutures. 
Mutabilis, Wood, pl. 22, f. 47. Capt. Cawne Warren, Ceylon. 
Bucculenta, Marr. (See description. ) 
Between N. compta, A. Ad., and N. elegans, Kien. Mauritius. 
Between N. mutabilis, Linn., and marmorata, Anton. 
Between N. mutabilis, Linn., and N. nodifera, Powis. 
Nitidula, Linn. Chem., pl. 125, f. 1194-5.—Canaliculata, Lam. 
Canal wide, shell rufous brown, almost smooth. 
Canal partly open. 
Canal closed, drab, with a brown-rufous stain on the back. 
Canal closed, drab, with a brown-rufous stain, coronated at the 
sutures. 
The upper whorls are costate, the body-whorl almost smooth, 
lip spiny. 
Drab, with two brown bands, lip without spines. 
Drab, with a single brown spot, suture plain, lip slightly 
crenated. 
Shell smooth, passing into the N. trifasciata, Gmel. 
Ash-grey, noduled at the sutures, strongly ribbed behind the 
lip, passing into the N. nodifera, Powis. 
Ash-grey, noduled at the sutures, passing into the N. marginu- 
lata, Lam., and N. nodifera, Powis. 
About half the size of the N. canaliculata, Lam., as figured 
in Reeve, finely plicated throughout. ‘‘ Challenger” Ex. 
Smaller than the last, smooth and glossy ; closely allied to the 
N. levigata, Marr. 
Smooth and glossy ; the ribs are but slightly developed in this 
variety. 
Semi-cancellated. Reeve, pl. 3, f. 18. Philippines. 
Closely cancellated, resembling the shell figured in Kien., 
pl. 14, f. 49, as N. crenulata, Brug., but broader. 
Indian Seas. 
