ox PHUTOGKAPIIS OF CiEOLOGICAL INTEREST. 



OOO 



Mr. Bingley continues tu illustrate the history of the rivers of Yorkshire 

 and the geology of the underground waters of that county. 



Mr. Welch sends thirty-three beautiful platinotypes taken in Antrim, 

 Donegal, Down, Galway, Meath, and Sligo. 



Sjiecial mention should also be made of the interesting Skomer Island 

 pliotogi'aphs of Mr. Small, the Irish ones of Miss Andrews, JNIr. Gray, and 

 Dr. Fogerty ; those from the Lake district by Lord Avebury and from 

 the Isle of Man by Sir Archibald Geikie ; tliose illustrating a paper of 

 Dr. Blanford by Mr. H. R. Llanford ; and tlio coutii))utions of ^1r. Pledge, 

 ]\Ir. Tucjkci', and the Hull Cieological Society. 



To the persons already named, and to Mr. Garwood, Mr. HoUingworth, 

 Mr. Cobbold, Mr. Davies, Mr. Lamplugh, Mr. Trevor Owen, the Yorkshire 

 Naturalists' Union, the Belfast Naturalists' Field Club, and Mr. Midgley 

 the thanks of the Committee a,re due ; the last-named has sent a con- 

 siderable series of micro-photographs for selection, together with a series 

 of views. 



The members of the Yorkshire Geological and Polytechnic Society, 

 and especially ISh: Tate, have conferred a signal service on the Committee 

 by giving details of the Coal-measure sections taken some years ago by 

 Mr. Branson in the Leeds brickyards. The sections have been measured, 

 and each individual bed marked and numbered on the photographs by 

 Mr. Tate. 



The duplicate collection has not received so many accessions as usual, 

 chiefly because it is very fairly representative ali'eady. The additions to 

 it during the year, and some others which ha\ c not yet been acknowledged, 



1900. A a" 



