PROCEEDINGS 



GENERAL MECTINGS FOR SCIENTIFIC BUSINESS 



ZOOLOGICAL SOCIETY OF LONDON 



PAPERS. 



1. Skull o^ Rana tigrina* Daud. By B. L. Bhatia, M.Sc.^ 

 and Baini Peashad, M.Sc. (Assistant Professors of 

 Zoology, Government College, Lahore)t. 



[Received August 8, 1917 : Read February 5, 1918. 



(Text-figures 1-9.) 

 Index. 



Structure 



In a recent paper Nicholls (2) pointed out that Rana tigrina 

 Daud., which is generally nsed as a lal)oratory type throughout 

 India, differs markedly in several skeletal and other charactei'S 

 from the common European forms {R. tem^yoraria and R. escu- 

 Iciita), of which a detailed description is generally given in the 

 ordinary English text-books. Nicholls had previously (1) pub- 

 lished a Note on the ui-ostyle of R. tigrina and several other 

 ji.nurous Amphibia, and in the fiist-meutioned paper he deals 

 with the vertebral column, the shoulder-girdle and sternum, 

 and the tenth spinal nerve ; the skud of R. tigrina, which pre- 

 sents no less marked differences, liowever, has not received 

 consideration. 



As far back as 1881, Parker (4), whilst working out the mor- 

 phology of the batrachian skull, published short descriptions of 



* [Dr. G. A. Bouleuger, F.R.S., informs me that the Lahore Frog has been 

 identified by him as belonging to the typical form. — Kd. P. Z. S.] 

 t Communicated by Lieut.-Colonel J. Stephenson, D.Sc, I. M.S., F.Z.S. 



Proc. Zool. Soc— 1918, No. I. 1 



