64 THE CANADIAN NATURALIST. [March 



We may state for the purpose of illustrating our climatology, 

 that from the year 1824 up to i8G8, a period of 44 years, the ice 

 left the River St. Lawrence in front of this city — varying from 

 the earliest period, 16th March (1825), to the latest, April 28 

 (1855), showing a variation of 43 days during this period of 44 

 yeai's, but these early periods are not confined to late dates, but 

 occured in March 1825, 1828, 1834 and 1842 ; the intervening 

 years vary from 3rd to the 28th of April inclusive. 



NATURAL HISTORY SOCIETY. 

 MONTHLY MEETINGS. 



{From December 1st, 1868, to February 2Sth, 1869.) 

 Third monthly meeting, December 28th, 1868; Mr. E. Billings 

 in the chair. 



The following donations were announced. 



TO THE MUSEUM. 



Twenty-eight species of coleoptera from the Mackenzie River ; 

 from G. Barnston. A named series of Canadian beetles, consisting 

 of 733 specimens of 475 species; from E. Billings. 



Fifty-four species of Canadian beetles ; from A. S. Ritchie. 



To THE Library. 



The 20th Annual Report of the Regents of the University of 

 the State of New-York ; from Prof. J. Hall. 



Cephalopodes Silurieus de la Bohenie. Groupement des Ortho- 

 ceres, par Joachim Barrande ; from the Author. 



Annuaire de Ville Marie, etc., from L. A. H. Latour. 



NEW MEMBERS. 



Mr. C. C. Stewart B. A. was elected a member of the Society. 



PROCEEDINGS. 



Mr. Whiteaves made a communication on a collection of exotic 

 birds recently added to the Collection. Ninety-two specimens 

 have been acquired by purchase during the past summer. Of 

 these sixty-three examples were exhibited, and the points of 

 interest in each species were briefly pointed out. Two of the species 

 belong to the order Raptores, and the rest to the various subdivi- 

 sions of the laro;e order Insessores. 



