241 [Rogers. 



The Trout had become quite rare in Lake Erie and the 

 Muskallonge was now only occasionally taken. 



In this connection, Mr. Lyman remarked on the destructive 

 method of taking Salmon on the coast of Scotland by similar- 

 ly constructed pounds. 



The Secretary read the following letters : 



From the Linnaean Society of London, October 2d, 1865 ; the 

 Asiatic Society, Calcutta, October 13th, 1865 ; the Entomological 

 Society of London, November 3d, 1865; the Listitute Imperial de 

 France, November 23d, 1865 ; the Albany Institute, and the Museum 

 of Comparative Zoology, Cambridge, Mass., November 28th, 1865, 

 acknowledging the receipts of the Society's publications ; the Verein 

 fiir Vaterlandische Naturkunde in Wiirttemberg, October 31st, 1865; 

 the Naturwissenschaftlicher Verein des Harzes, Blankenburg ; the 

 Natm-forschende Gesellschaft in Emden, and the I. R. Accademia di 

 Scienze, Letere ed Ai-ti di Padova, acknowledging the same and 

 presenting their own publications ; the Royal Geographical Society of 

 London, October 31st, 1865 ; and the Naturforschende Gesellschaft in 

 Danzig, November 1st, 1865, presenting their pubhcations; and from 

 M. Guillemot, Pere, La Rochelle, France, December 6th, 1865, desir- 

 ing to exchange specimens. 



The following gentlemen were elected Corresponding 

 Members: — Messrs. Eugene M. Riotte, Austin, Nevada, 

 Josej^hB. Meader, Stockton, Cal., Leander Ransom, San Fran- 

 cisco, Cal., Louis Janin, Jr., Virginia City, Nevada, Dr. Her- 

 mann Behr, San Francisco, Cal. Mr. Andrew Hayes of Rox- 

 bury was elected a Resident Member. 



December 20, 1865. 

 The President in the chair. 



Forty-three members present. 



Ox THE Pleistocene Glacial Climate of Europe. By Prof. 



H. D. Rogers, LL.D. 



I avail myself of this opportunity to submit to this Society a the- 

 ory of mine in explanation of the Pleistocene Cold or Glacial Climate 

 of Eui-ope, its sudden coming in and departure. 



PKOCtEDINGS B. S. N. H.— VOL. X. 16 APKIL, 1866. 



