256 Journal of the Asiatic Society of Bengal. [Sept., 1916. 
equal to 21 mm. The present species, as regards its scul 
turing, is very nearly allied to Corbula Raimondi, Gabb,! from 
which, however, it can be at once distinguished by its differ. 
fi : 
College collection there is one specimen presumably of this 
species which has a marked elliptic shape possibly due to 
accidental circumstances. 
D. TERTIARY. 
Besides Montlivaltia (near Nagakki) and Echinolampa’ 
(near Hasan Abdal), already mentioned by Mr. Middlevis, 
the tertiary beds near Hasan Abdal yielded one specie 
a description of which will bring this short note to a close. 
(1) Nautilus hazaraensis, n. Sp- 
The specimen is very much depressed and of medium ce 
the diameter being about 70 mm. It is umbilicated wit in 
very small umbilicus of about 7mm. diameter. The pas 
is rounded: the mouth is semi-elliptic with a sub-venl 
-_eS 
° . . i : b. 
This species is very closely related to N. For besi,* Daa 
and Haime, but can be distinguished from it by the fae large! 
the margin of N. Forbesi is much broader with a little 
$$ _ Le 
!'N.J.f, Min. Geol. u Pal. Beilage-band, Vol. XI, 1897-9» PP 
114, taf. II, figs. 15a, b. “branchial 
' 2 Mon. Pal. Soc., Vol. LX XII—the cretaceous Lamellibran™” 
p- 212, with plate. 
8 Op. cit., pp. 39, 41, 42. 
* Deser. Anim, l’Ind., p. 338, pl. xxxiv, figs. 12, 12a. 
