CONTENTS 



Page. 



VI. — The Tornadoes and Hailstorms of April and May in the 



Boob and BohilkJiand. — By S. A. Hill, B. Sc., Metemvlogical 

 Beporter to the Oovernment of the N.-W. Provinces and Oudh. 

 (With 6 Charts— Plates IV.— IX.) 135 



VII. — The Geometric Interpretation of Monge's Differential Equation 

 to all Conies. — By Asutosh Mukhopadhtat, M. A., F. R. A. S., 



F. R. S. E 181 



Ylll.— Description of a Stag's Head allied to Cervus dybowskii, 

 Tac, procured from the Darjeeling Bazaar. — ByW. L. Sclateb, 

 Deputy Superintendent of the Indian Museum. (With Plate XI.) 185 



IX. — On the Volatility of some of the compounds of Mermry and of 



the metal itself. — By Alex. Pbdlek 189 



X. — Some applications of Elliptic Functions to Prohlems of Mean 



Values. (First Paper). — By Asutosh Mukhopadhtat, M. A., 



P. R. A. S., P. R. S. E. (With a Wood-cut) 199 



XI. — Some applications of Elliptic Functions to Problems of Mean 



Values. {Second Paper).— By Asutosh Mukhopadhtat, M. A., 



P. R. A. S., P. R. S. E 213 



XII. — A Descriptive List of the Uredinere, occurring in the neigh- 

 hourhood of Simla (TFesfe™ Himalayas). Part II. Puccinia. 

 —By A. Babclat, M. B., Bengal Medical Service. (With 

 Plates XII.— XIV.) 232 



XIII. — Definitions of three new Homoptera. — By M. L. Lethierey, 

 Communicated ly E. T. Atkinson, Esq 252 



XIV. — Notice of a Neolithic Gelt from Jas'lipicr in the Chota Nagpur 

 District. — By J. Wood-Mason, Superintendent of the hidian 

 Museum, and Professor qf Comparative Anatomy in the Medical 

 College of Bengal, Calcutta. (With Plate XV.) 264 



Plate X illustrative of Mr. W. Doherty's " Notes on Assam Butterflies" 

 published in the preceding Number. 



Plate XV will be issued with the next Number. 



