1847.] CONYBEARE ON PART OF THE DECCAN. 225 



Cystignathus. The head is a little larger relatively than in Rana 

 temporaria, R. esculenta, or Hyla viridis ; and still larger, therefore, 

 than in the Toads and Natterjacks {Bufonidce)^ or than in the Rijpa : 

 the expansion of the sacrum removes the genus P^p« and the Bom- 

 binatores from that of the present fossils. The following are ad- 

 measurements of the more perfect specimens : — 



In. Lines. 



Length from front part of head to symphysis pubis... 6^ 



lb. of the head 2f 



lb. of the dorsal vertebral series 2f 



lb. of OS innorainatum 2^ 



lb. offemur 2| 



lb. of anchylosed tibia and fibula 2f 



lb. oftarsus 1^ 



lb. of whole foot 4^ 



lb. of whole anterior limb 4 



All the specimens belong to individuals which had completed their 

 metamorphosis, and they are similar to one another in size ; they may 

 have belonged either to a not quite full-grown brood, or to an unusu- 

 ally small species, of Rana. 



They conform in all respects as closely to the typical organization 

 of the Frogs of the present day, as do the fossils discovered by Gold- 

 fuss in the tertiary lignites of the Siebengebirge, and referred by him 

 to Rana diluviana ; but the Bombay batracholites differ not only in 

 their smaller size, but also in their proportionally larger skulls. 



5. Extract from Mr. Conybeare's Report on the Country between 

 the Summit of the Malsej Ghaut and the Gungathuree^ dated 

 Bombay, Oct. 1846. Communicated by W. J. Hamilton, Esq., 

 M.P., Sec. G.S. 



Numerous spurs everywhere extend from the Sahadry range to the 

 eastward, and the distance to which they extend is proportionate to 

 the importance of the streams which run between them. The ranges 

 which separate the smaller class of tributaries soon cease ; those which 

 intervene between the rivers which result from the junction of such 

 tributaries have a greater extent, and the ranges which form the water- 

 sheds dividing the great river systems, sometimes extend 200 or 300 

 miles into the interior. 



To the latter class belongs the range forming the northern boun- 

 dary of the valley at the head of the Malsej Ghaut ; that valley is 

 the most northern of the river system of the Kristna, and the waters 

 of the Kristnawuttee, which rise in it near the crest of the Ghaut, 

 reach the main trunk by flowing successively along the Kokree, 

 the Goor and the Beema ; the precipitous range which bounds and 

 hedges in this valley on the north is the southernmost member of a 

 hilly tract thirty miles in depth, which separates the Kristnawuttee 

 from the level plains of the Gunga or Godavery, and in which rise 

 the most southern affluents of the latter river. 



No eligible opportunity occurs for traversing this range and thereby 

 entering the Bramanwarree hills, until the Alleh Khind is reached 



