1923. | The Fossil Pectinide, Bhavanagar State. 83 
species agree eee and, though the difference in the 
number of the ribs shows a specific distinction, it is not 
improbable that A. hathabiensis is the fore-runner of <A. 
pleuronectes Linn. 
Chlamys tauroperstriata, Sacco var. spinosa, n. vy. 
(Plate XI, Figs 5-7). 
he right valve is fairly well-preserved. It is higher 
than long, the height being 11 mm., while the length is 9 mm. 
he external surface is ornamented with some 30 radial ribs 
which are practically equidistant and of the same strength 
The beak is not preserved. The anterior ear is provided with 
a few radial ribs which are traversed by fine and numerous 
curved lines giving rise to a markedly wrinkled aspect. The 
valy is moderately thick. 
with a number of radial riblets and is tolerably large. The 
tion in referring them to the same species. The Hathab 
species, however, differs from var. pavicieplicilll by the presence 
of scabrous ts ths on the ribs and accordingly a different 
varietal name has been proposed. This also resembles 
P(Chlamys) Kokenianus, Noetl 2 but the number of ribs and 
the punctured interstices of the species from Burma clearly 
distinguish it from the species under consideration. 
Chlamys favrei, d’Arch. 
1850. Pecten favrei, a’ Arch. —Hist. des progress de la Geol. Vol. ITT, 
1853 Pecten javrei d Arch. oe 8 . anim. foss. d. Num. d. 
l’Inde, p. 270, Pl. XXIV, fig. 5 
As noted already the existence df “thi s species in Kathia- 
war was eet by Fec biti. I have very little to add to the 
reference e should be on to the work of Greguetdi ‘sapllaned in the 
‘* Annales de Geologie et de Paleontologie” Livr. 23, pp. 15-64 (1898) 
and cise: 24, pp. 5-6 (1899). 
ee! at a. terr. terz. d. Piemente, Vol. XXIV, p. 8, Tav. I, figs. 
27, 28. 
# Pal. Ind. N.S. Vol. I, Art. 3, p. 117, with figures. 
