OF WESTERN AND CENTRAL INDIA. 3 



original extent. Outliers are represented for nearly a degree south of 

 Belgaum upon Malcolmson's map* but as regards the extreme original 

 extension^ both north and south, additional information is still required. 

 Of their extension to the east also something has yet to be learned ; 

 some interesting observations have been made within the last year by 

 my fellow surveyors ; Mr. H. B. Medlicott met with an outlier in 

 Sirgoojah District on the hills west of Burwa, well east of the parallel 

 of 84° ; and still further east, caps of trap have been found by various 

 officers of the survey upon some of the hills which intervene between 

 Sirgoojah and the Kajmahal hills in Bengal, but it is not yet ascertained 

 whether these should be referred to the jurassicf traps of Rajraahal, 

 or to the Deccan and Malwa series, which, as I shall show presently, 

 are not of older age than middle cretaceous. 



Several writers have suggestedj that the traps and their interstrati- 

 fied sedimentary formations with marine fossils which occur in the 

 neighbourhood of Eajamundry belong to the same great series as the 

 basaltic rocks of the Deccan j and amongst the fossils obtained at B-aja- 

 mundry by Lieutenant Stoddart, and described by the late Mr. Hislop§, 

 were specimens of freshwater species identical with those found in in- 

 tertrappean beds in Central India. Since this paper was first written I 

 have had an opportunity of examining the beds at Kateru, close to 

 Rajamundry, and I find that the trap is precisely similar in mineral 

 character to one of the commonest varieties occurring in the Deccan. I did 

 not succeed in finding any specimens of Vliysa Prinsepii, or of the other 



* Geol, Trans. Ser. 2, Vol. V, PI. XLVI. 



t See paper on Cutch ante, this vol., pp. (32), (38). 



J The first, I think, wasNewbold, in Jour. As. Soc. of Bengal, Vol. XI, p. 957, Note. 

 The first notice of the occurrence o f fossils near Rajamundry was by Dr. Benza, in Mad. Jour, 

 •Lit. and Sci., Vol. V, p. 50-53, and Jour. As- Soc. Bengal, Vol. IV, p. 435. 



§ Quar, Jour. Geol. Soc, Vol. XVI, p. 154. 



( 139 ) 



