In Memoriam: R. H. Tiddcman, M.A., F.G.S. 143 



he worked in North Wales. He was naturally one of the 

 greatest authorities on our Carboniferous rocks. Another 

 excellent piece of his work was in connection with the explora- 

 tion of the well-known Victoria Cave at Settle. 



In 191 1, the London Geological Society awarded him the 

 Murchison Medal in recognition of his services to the science. 



He was not a great writer ; the Geological Survey Memoir 



Photo by) 



[H. E. Wroot. 



R. H. Tiddeman. 



on the ' Water Supply of Oxfordshire ' bears his name, and 

 he contributed to many other Survey publications. In the 

 field he was an ideal companion and guide. 



He leaves a widow and two daughters to whom we extend 

 every sympathy. — T. S. 



Mr. W. Williamson writes on Water Mitts in the Scottish Naturalist 

 for February. 



Among the obituary notices recently published we notice those <>! 

 William Cray (aged 86), of the Belfast Naturalists' Field Club, and a 

 familiar figure at the British Association meetings ; Charles O. Water- 

 house, the entomologist (aged 73), whose portrait appears in Tht 

 Entomologist's Monthly Maga ine for March : and [..Piatt Barrett, entom- 

 ologist (aged 77). 



1917 April 1. 



