VARIETIES OF NASSA, 37 
Turreted, very elongated. A deformity similar to the N, distorta 
and stolida, A. Ad. 
Coronated, passing into the variety with small spots of 
N. coronata, Brug. 
> With white flames, exactly like those on the shells of 
N. coronata, Brug. 
Passing into the N. bicallosa, Smith. b 
Bicallosa, Smith. Linn. Soc. Journ. Zool., vol. 12, pl. 30, 
te By Swan River and Cape Natal. 
Passing into the N. mutabilis, Linn. * 
With a thick round callous in front. 
Passing into N. mucronata, A. Ad. 
Between Kieneri, coronata and tzenia. 
is and gaudiosa, Hinds. 
Be and bicallosa, Smith. 
Mutabilis, Linn. Reeve, pl. 1, f. 6. Mediterranean. 
Covered with a silky epidermis. Taylor Collection. 
Ebenacea, Gemari. 
Pfeifferi, Phil., is transversely striated and interruptedly lined. 
Spain. 
Elongated, narrow, and rather thick. 
Small, about half an inch long, white, streaked with pale rufous- 
brown. 
Two lines long, pale, almost white, lip thickened. 
2 Tumidly coronated. 
White, sutural edge somewhat angular, closely allied to the 
N. spirata, A. Ad. 
Grey-brown. 
375 White, with very faint markings. 
3 With the upper whorls cancellated, spotted like the N. spirata, 
A. Ad. Singapore. 
Between N. mutabilis, Linn., and N. marginulata, Lam.; 
granules at the sutures numerous. 
Upper whorls and below the suture on the last or body-whorl 
deeply grooved transversely. 
Brown spotted, flamed and banded with brown. 
With strong varices. 
With the ribs near the centre of the whorls, 
