9. On the Fossil Pectinide from Hathab, Bhavanagar 
State (Kathiawar). 
By Hem CuHanpra Das-Gueta, M.A., F.G:S. 
INTRODUCTION, 
In two of my previous communications I have described 
the fish teeth! and a mammalian humerus? obtained from 
Hathab in the Bhavanagar State and the purpose of this 
his mono raph dealing with the geology of Kathiawar’, 
Fedden mentioned the occurrence of the following species 
of Pecten in the upper Tertiary beds of Kathiawar :— 
Pecten cf. corneus, Sow (op. cit., pp. 111, 117). 
Pecten bouet, var. a d’Arch. (op. cit., pp. 119, 120, 121). 
Pecten favrei? d’Arch. (op. cit., p. 119). 
Peeten favrei d’ Arch. (op. cit., pp. 120, 122). 
Peoten soomrowensis, Sow (op. cit., p. 122) 
Pecten subcorneus, d’Arch. and Haime (op. cit., p. 122 
Vhile describing the geology of Navanagar Mr. Adye has 
mentioned the occurrence of weathered-out bivalve shells, 
chiefly of Pectens and Cardiums and of Pecten bouei, Pecten 
javret and Pecten sp. from the Gaj beds.* As far as I am 
aware no detailed description of the Kathiawar Pectens has 
been published and accordingly this short note has been 
prepared. 
Description oF Fossits. 
Amussium hathabiensfs, n. sp. 
(Plate XI, Figs. 1-4). 
This fossil was described as Pecten corneus, Sow (?) by 
Fedden. According to Sowerby the valves are smooth with 

| Proce. Ind Assoe. ('ult. Sci., Vol. II, pp. 158-160 (1917). 
2 P_A. S.B. (NS.), Vol. XV, p. excix (1919). 
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