Chap. 11.] w. blanford^ western india. 63 



rather more than 10°. The evidence here is less complete than in the first 

 instance, but still it is only a fair inference that the two series are uncon- 

 formable, and that there was denudation of the traps previous to num- 

 mulitic times. Otherwise it is difficult to conceive why the nummulitics 

 do not come in to the south instead of to the west. 



Perhaps the most important and interesting question scientifically is 

 Sbd*"" ft f whether the tertiary beds of Surat and Broach corn- 



beds in Surat and Broach, prise one group or more than one, whether the 

 lower portion of the series, with its nummulitic limestone and laterite 

 beds, does not belong to a difierent epoch from the agate gravels and con- 

 glomerate which overlie them, and whether the latter do not represent the 

 miocene beds of Perim. It is tolerably certain that the nummulitic 

 limestone of Turkesur and Gulla is much older than the Perim beds, the 

 former, which contains many species of shells common to the nummu- 

 litics . of Sind and Cuteh, and to the beds of the Paris basin, being un- 

 questionably lower eocene, while the Perim beds which contain Mastodon 

 latidens, Camelopardalis Sivalensis, Sus Hysudricus, Dinotherium Indi- 

 cum and Brakmatherium have been shown by Dr. Falconer* to be of the 

 same age as the Siwalik and Irawadi formations, which are, at the oldest, 

 miocene. 



On this question it is impossible to pronounce an opinion from the 



evidence obtained. The mineral character of some 

 Question as to repre- . 



eentation of Perim beds of the upper beds met With m the Taptee and Keem 



near Surat and Broach. . , j- • m r i.T_ .. i> xi t. • 



sections is not dissimilar irom that oi the Perim 



conglomerates ; both contain rolled fragments of grey sandstone, which 



was not observed in any beds associated with the nummulitic limestone. 



But none of the characteristic fossils of either locality was observed in 



the other ; the bones of large Mammalia and the huge masses of fossil 



wood so abundant at Perim were not met with in the Taptee, Keem, and 



* Quar, Jour. Geol. Soc, London, Vol. 1, p. 356. 



( 225 ) 



