144 REPORTS ON THE STATE OF SCIENCE, 



Mr. T. W. Reader and Mr. James Parker. Mr. Preston contributes 

 Cornish photographs taken with his usual skill. 



Other contributors include Mr. E. S. Cobbold, Mr. A. H. Bassano, 

 Mr. Baldock, Mr. Rodda, Mr. Russell F. Gwinnell, Mr. A. E. V. 

 Zealley, Miss M. S. Johnston, and Miss Hendriks. To all these ladies 

 and gentlemen the Committee owe and desire to tender their thanks. 



No important additions bave been made to the duplicate series. Tbe 

 slides have been exhibited by Mr. Whitaker to the following, among 

 other Societies: The Battersea Field Club, the Hastings and St. 

 Leonards Natural History Society, the Croydon branch of the Selborne 

 Society, the Holmesdale Natural History Club, the Ipswich and District 

 Field Club, the Tunbridge Wells Natural History Society, and the 

 South Croydon Literary Society. 



The Committee note with pleasure the issue by His Majesty's 

 Geological Survey of a first list of geological photographs taken by the 

 staff of that body, and that the issue of a list of photographs taken by 

 the Scottish staff is promised shortly. The Geologists' Association also 

 continues to encourage the taking and registration of geological photo- 

 graphs. 



Applications by Local Societies for the loan of the duplicate collection 

 of prints or slides should be made to one of the Secretaries. A descrip- 

 tive account of them can also be lent. The carriage and the making 

 good of any damage to slides are the only expenses to be borne by the 

 borrowing Society. 



The Committee recommend that they be reappointed, that 

 Professor J. Geikie be Chairman, and Professors W. W. Watts and 

 S.. H. Reynolds joint Secretaries. 



SEVENTEENTH LIST OF GEOLOGICAL PHOTOGRAPHS. 

 From August 22, 1908, to August 23, 1910. 



This is a list of the geological photographs which have been received 

 and registered by the Secretaries of the Committee since the publication 

 of the last Report. 



Contributors are asked to affix the registered numbers, as given 

 below, to their negatives for convenience of future reference. Their own 

 numbers are added in order to enable them to do so. 



* indicates that photographs and slides may be purchased from the 

 donors or obtained through the address given with the series. 



Copies of other photographs desired can, in most instances, be 

 obtained from the photographer direct, or from the officers of the local 

 society under whose auspices the photograph was taken. The cost at 

 which copies may be obtained depends on the size of the print and on 

 local circumstances, over which the Committee have no control. 



The Committee do not assume the copyright of any photographs 

 included in this list. Inquiries respecting photographs, and applica- 

 tions for permission to reproduce them, should be addressed to the 

 photographers direct. 



