VARIETIES OF NASSA, 
Sparta, Mar. Pamphlet, p. 11, pl. 1, f. 22. 
Anthracina, Garrett, Proc. Acad. Nat. Sci., Philad., 1873, 
p. 2295pl/ 34.0% Viti Islands. 
Pupinoides, Reeve, pl. 24, f. 162. Philippines. 
Marginulata, Reeve, pl. 7, f. 43. (Not Lamarck !) 
# Spray 8: Peace i Og 5 08 8. Archer, Singapore. 
s ee Sore ee ay 
4 Marginulata, Lam. Kien. pl. 29, f. i17. 
Closely allied to the last; is the N. venusta, D’k’r. Phil. 
Abbild., pl. 2, f. 1. Island of Bali, Indian Ocean. 
Closely allied to the last; is the N. venusta, D’k’r. Reeve, 
pl. 7, £. 44. Philippines. 
Ribs broader and wider apart than either of the two last- 
named shells. 
8 Yellow, banded with blackish-brown fillets, similar to 
N. sturmii, Phil. Reeve, pl. 22, f. 148. Mozambique. 
Shell smaller and paler, ribs more distant. 
Ribs few, broad and noduled; is the N. sturmii, Phil. Abbild. 
pled is 1. 
With the ribs almost obsolete, passing into the next. 
Shell broad and short; is the N. crassa, Koch. Phil. Abbild. 
pl. 1, f. 4. China. 
White. 
Crassa in form, and sturmii in sculpture. 
. and venusta in sculpture. 
A variety with the ribs acute ; is the N. acuticostata, Montrous. 
Jour. de Conch., 1864, pl. 10, f. 8. 
Caledonian Archipelago. 
Is almost smooth. 
Plicosa, D’k’r. Zeit., f. Malak, 1846. Algoa Bay, West Africa. 
speciosa, A. Ad. P.Z.8., 1851, p. 100. Reeve, pl. 3, f. 16. 
Upper whorls closely cancellated and the body-whorl smooth. 
Marrat’s Pamphlet, pl. 1, f. 11. Algoa Bay. 
An elongated shell, costate and strongly grooved. 
S. Archer, Singapore, 
Narrow and elongated, passing into varieties of N. sequi- 
jorensis, A, Ad. 
Oriens, Marr. China Seas. 
—elongata, Marr., Pamphlet, p. 4 (the name pre-occupied 
by J. Sow., Min. Conch.) 
