vi CONTENTS. 



IX. Page 



Examination and Analysis of some Specimens of Iron Ore, from Burdwan, by 



H. Piddington, Esq., ...... 171 



X. 



On anew species of Buceros, by B. H. Hodgson, Esq., ...... ...... 178 



XL 



On the Petrified Shells found in the Gawilgerh Range of Hills, in April 1823, by 



the late H. W. Voysey, Esq., Assistant Surgeon His Majesty's 67th Foot, ... 187 



* XII. 

 An account of some Minerals collected at Nagpore and its vicinity, with Remarks 



on the Geology, &c. of that part of the Country, by Captain F. Jenkins, 195 



XIII. 



Notice of the Occurrence of Gypsum in the Iiido-Gangetic tract of Mountains, by 



Captain J. D. Herbert, Superintendant Mineral Survey, 216 



XIV. 



On the Fertilising Principles of the Inundations of the Hugii, by H. Piddington, Esq. 224 



XV. 



On the Mineral Productions of that part of the Himalaya Mountains, lying between 

 the Satlaj and the Kali, (Gagra) Rivers ; considered in an economical point of 

 viev/; including an Account of the Mines and methods of working them, with 

 suggestions for their improvement, by Captain J. D. Herbert, 9th Regiment 



B. N. I., late Superintendant Mineral Survey, and Assistant to the Surveyor 

 General of India, ...... ...... S27 



XVI. 



Tables exhibiting a Daily Register of the Tides in the River Hoogly, at Calcutta, 

 from 1805 to 1828, with Observations on the results thus obtained, by James 

 Kyd, Esq., ...... ....... 259 



