Vol. 68.] ANNUAL KEPOET. Ix 



recognifcion of his invaluable contributions to Geological Science, 

 more especially in connexion with Vertebrate Palaeontology. 



The Lyell Medal, together with a sum of Twenty-Five Pounds 

 from the Lyell Geological Eund, is awarded to Mr. Philip Lake, as 

 an acknowledgment of his contributions to the knowledge of the 

 Lower Palaeozoic rocks and their fauna. 



The Balance of the Proceeds of the AVollaston Donation Fund is 

 awarded to Mr. Charles Irving Gardiner, in recognition of the value 

 of his investigations among the Ordovician and Silurian rocks of 

 Ireland. 



The Balance of the Proceeds of the Murchison Geological Fund 

 is awarded to Dr. Arthur Morley Davies, in acknowledgment of his 

 researches among the Mesozoic rocks of Buckinghamshire. 



A moiety of the Balance of the Proceeds of the Lyell Geological 

 Fund is awarded to Dr. Arthur lUchard Dwerryhouse, in recogni- 

 tion of his contributions to the knowledge of the Glacial Phenomena 

 of the North of England and of the igneous rocks of Eskdale. 



A second moiety of the Balance of the Proceeds of the Lyell 

 Geological Fund is awarded to Mr. Robert Heron Eastall, in 

 acknowledgment of his contributions to Petrography, especially 

 in connexion with the igneous and metamorphic rocks of the 

 Lake District and other areas. 



It has been decided not to award the Prestwich Medal this year, 

 but to devote the accumulated proceeds of the Fund to the special 

 purpose of the Society's Library, in accordance with the terms of 

 the will of the late Sir Joseph Prestwich. 



Repout of the Libkaet Committee foe 1911. 



The Committee have pleasure in stating that the Additions made 

 to the Society's Library during the past twelve months have main- 

 tained, both in number and in importance, the standard of previous 

 years. 



During the year 1911, the Library received by Donation 227 

 Yolumes of separately published Works, 382 Pamphlets, 49 detached 

 Parts of Works ; as also 345 Volumes and 55 detached Parts of 

 Serial Publications, and 25 Volumes ot Weekly Periodicals. 



The total number of accessions to the Library by Donation is 

 thus found to amount to 597 Volumes, '682 Pamphlets, and 104 

 detached Parts. Moreover, 164 Sheets of Geological Maps were 

 presented to the Library, including 28 Sheets received from the 

 Geological Survey of England and Wales, and 7 Sheets from that 

 of Scotland; 12 Sheets from the Geological Survey of Japan; 

 7 Sheets from the Geological Survey of Sweden ; 4 Sheets from 



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