64, RISSOIDA. 
Subfamily ASSIMINEINZA, Nevill. 
Genus ASSIMINEA, Leach, ms. 
Gray, Lond. Medic, Repos. 1821 [sine deser.], Fleming, Brit. Anim. 1828, 
and Man. Turton, 1840, type A. grayana, Leach ; sect. = Paludinella, 
Pfr., Wiegm. Arch. I, 1841, p. 227, type Helix littorina, Delle Chiaje, 
Sicily. 
There is a species from the Comoro Islands, Assiminea 
parvula, Morelet, J. de C. 1877. 
1. Assiminea pinguis. 
Assiminea,, pinguis, von Martens, Ann. Mag. XVII, 1866, Macao, “ina 
muddy inlet’?’—long. 6, diam. 4 mil, 
10 Canton River [mouth of—]; coll. R. Hungerford, Esq. 
Scarcely separable from Assiminea brevicula. 
2. Assiminea grayana. 
Assiminea grayana, Leach ms., Fleming, Brit. Anim, 1828, near Gtreen- 
wich, 
6 Mouth of the Thames; coll. E. Webster, Esq. 
8. Assiminea francesize [emend.]}. 
Turbo Francesi, Gray, Wood's Ind. Test. Sup. 1828, E. Indies ; = A. fas- 
ciata, Benson, Zool. J. 1835, p. 463. 
16 Zwagabin, near Moulmein ; coll. Dr. F, Stoliczka. 
16 Chandernagore, Calcutta, and Pt. Canning; coll. Colonel G.B. Main- 
waring and G, Nevill, Esq. 
The original figure of the type has a conspicuous broad 
white belt at the periphery; specimens with this band are 
everywhere much more uncommon than those without it. 
subvar, Subconcolor. 
50 Calcutta; coll G. Nevill, Esq. 
Long. 10, diam. 6 mil. 
subvar. multifasciata. 
50 Burma; coll. Dr. F. Stoliczka, 
30 Moisraka, Ranigunj and Port Canning; coll. G. Nevill, Esq. 
Long. 103, diam. 64 mil.—typo from Port Canning. 
