Var: 
1837. Neritina melanostoma 
— 448 — 
melanostoma Troschel 
TroscHeL, Archiv fiir Na- 
turgeschichte, p. 179. 
Cochinchine: Le Mékong, a Chaudoc (M. Mansuy). 
Exemplaires bien caractérisés par leur péristome noir. 
4854. Putella variegata 
1870. 
PATELLA EucosMIA Pilsbry 
Rve 
1871. Helcioniscus variegatus 
1891. 
eucosmia 
Reeve (non Reeve 1842 
= P.rota, Conch.Syst.nec. 
Blainville 4825), Conch. 
Icon. pl. XVI, fig. 363, 
36>, 36°. 
P. Fiscuer, Journ. Conch, 
p. 167. 
DatLt, Amer. Journ. of 
Conch. Vi>p.7277, pls 
fig. 27 (radula). 
Pitspry, Man. of Conch. 
XI, sp £48, pl 14 shee 
61, 62, 63, 64. 
Cochinchine : Hong-Chon, golfe de Siam (M. Mansuy). 
4854. Patella chitonoides 
1863. 
1891. 
PATELLA CHITONOIDES Reeve 
pica 
Rve 
(Rve) 
ReEEvVk, Conchol. [conica, 
pl. XXI, fig. 524, 52». 
DesHayes, Moll. Réunion, 
p. 43. 
Pitssry (ex parte) Manual 
of Conch. Str. and Syst. 
MIM p..9 75 spl. 26; ties 
28, 29. 
Cochinchine : Hong-Chon (M. Mansuy). 
