lvi PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [vol. lxxvi, 



Treasurer of the Linnean Society for 24 years. He joined our 

 Society in 1880. He was knighted on November 9th, 1907, and 

 created a Baronet on February 5th, 1913. He died at his seat, 

 Friar Park, Henley-on-Thames, on April 29th, 1919. 



[H. W. M.] 



Lawrence M. Lambe, elected a Fellow in 1890, was a Graduate 

 of the Military College, Kingston (Ontario). He entered the 

 Geological Survey of Canada as a draughtsman, and worked under 

 the late Dr. Whiteaves, also for a time with Mr. Foord, whom he 

 succeeded. He was for some years Honorary Treasurer of the Royal 

 Society of Canada, and also served as President of Section iv 

 (Geological & Biological Sciences). He published a work on the 

 Atlantic Coast Sponges, and afterwards devoted much attention 

 to the Palaeozoic Corals of Canada. His later papers are mostly 

 on fossil Vertebrates, particularly on the Cretaceous Eeptilia of 

 Alberta. Many of his papers are. of great interest, and they are as 

 a rule excellently illustrated. 



Lambe died of pneumonia on March 12th, 1919, having served 

 on the staff of the Geological Survey of Canada for 35 years. 



[C. W. A.] 



William Earl Hidden of Ocean Grove, New Jersey (U.S.A.), 

 elected in 1897, was torn on February 16th, 1853, at Providence 

 (P.I.). He was widely known for his work in American mineralogy, 

 particularly in respect of the rarer minerals and gem-stones of 

 the Southern States, of which he was an assiduous collector. 

 He published man}'' articles and notes on American minerals and 

 on meteorites in the American Journal of Science, the Transactions 

 of the New York Academy of Sciences, and other journals. An 

 emerald-green variety of spodumene used as a gem was named 

 ' hiddenite ' after him. He died at his home, Ocean Grove, on 

 June 12th, 1918, at the age of 65 years. 1 



Ernest Howard Ad ye, elected in 1916, was born on March 

 10th, 1857, and died abroad on June 15th, 191S. He was much 

 interested in petrography; and produced several illustrated works 

 on the subject, including a ' 20th Century Atlas of Microscopical 

 Petrography,' published in instalments between 1901 and 1906; 

 ' Studies in Micro-Petrography,' of which vol. i, pt. i appeared in 



1 A good account of Hidden's life and work, written by G. F. Ivmiz, may- 

 be found in ' The American Mineralogist ' for October & November 1919. 



