Ix PEOCEEDIXGS OF THE UEOLOaiCAL SOCIETY. [vol. Ixxiu, 



deafness cut him off from social intercourse, but infirmity did not 

 imjDair the genial temper, the quiet helpfulness and consideration 

 for others, which endeared him to his friends. During the last 

 year of his life he suffered from a nervous malady, under which he 

 gradually sank, and he died at his residence at Kew on March 3rd, 

 1916, a fortnight after his 76th birthday.^ 



Joseph Hein^ry Collixs died on April 12th, 1916, aged 75, 

 after a long life devoted to the stud}^ of the geology, mineralogy, 

 chemistrj^, and metallurgy of Cornwall and the Cornish ore-deposits. 

 Among his numerous scientific writings ma}'- be mentioned his 

 ' Handbook to the Mineralogy of Cornwall & Devon ' (1871) ; 

 ' The Hensbarrow Granite District ' (1878) ; ' Cornish Tin-Stones 

 & Tin- Ca pels,' issued in 1888 as a revised edition of papers pre- 

 viously communicated to the Mineralogical Society" ; and a memoir 

 ' On the Origin & Development of Ore-Deposits of the West of 

 England,' published in the Journal of the Royal Institution of 

 Cornwall, 1890-95. He was a well-known figure in Cornwall, 

 where he was associated with all the local scientific societies. He 

 received the Henwood Medal of the Royal Institution of Cornwall 

 in 1893. and the Bolitho Medal of the Royal Geological Society of 

 Cornwall in 1898. He Avas elected a Fellow of this Societ}^ in 

 1869, and contributed to its Qviarterly Journal a nmnber of papers 

 dealing with Cornish geology and with Canadian metalliferous 

 deposits. 



Charles Thomas Clough was born on December 23rd, 1852, 

 at Huddersfield, where his father held the office of Town Clerk. 

 From school at Rugby he passed to St. John's College, Cambridge, 

 and, after graduating in 1874 in the first class of the Natural 

 Sciences Tripos, joined the Geological Survey. He began work in 

 Teesdale, and his first original production was a paper on the 

 section at High Force, read before this Society in 1876. Later he 

 was engaged in the Cheviot district, and in 1884 he was transferred, 

 with other members of the staff, from the English to the Scottish 

 branch. The detailed investigation of the North-West Highlands 

 was then beginning, and in this work Clough was soon taking an 

 important part. He was responsible for a portion of the critical 



' I have borrowed largely from appreciative notices in the ' Geological 

 Magazine' for 1905 and 1916. 



