No. 2.] NATURAL HISTORY SOCIETY. 105 



NATURAL HISTORY SOCIETY PROCEEDINGS. 



Session 1880-81. 



The last regular monthly meeting for the session 1880-81 

 was held on Monday evening, April 25th. Principal Dawson 

 occupied the chair. The minutes of last meeting were read and 

 sustained. 



The Council presented a report recommending the transfer to 

 Mr. Wolferstan Thomas of the mitoyenne wall on the north side 

 of the Society's building and the narrow strip of land adjoining, 

 so as to enable Mr. Thomas to connect his buildings in course of 

 erection with the Museum. 



A motion was made by Mr. G. L. Marler, seconded by Mr* 

 W. Muir, and carried unanimously, approving of the report, and 

 authorizing Mr. Marler to sign the agreement with Mr. Thomas. 



Mr. Muir, the cabinet-keeper, stated and exhibited what addi- 

 tions had been made to the museum, namly, a prairie wolf and a 

 remarkable specimen of the hare by donation ; a Canadian lynx 

 and a number of birds by purchase. The thanks of the Society 

 were voted to the donors. 



The Secretary read extracts from a lengthy paper by Mr. R. 

 Chalmers, of New Brunswick, on the Glacial Phenomena of 

 Baie des Chaleurs. 



Dr. Dawson said the facts stated in the paper were a large 

 contribution to our knowledge of that region, but he intimated 

 that he did not quite agree with some of the author's theories. 



Mr. W. Muir gave a detailed explanation of a new and im- 

 proved method he had discovered of obtaining oblique light for 

 the microscope. He said : 



Not having an instrument with a swinging substage, my sub- 

 stage having only rack and rotary movement, and not satisfied 

 with the working of the spot lens (as usually furnished) and 

 Wenham's paraboloid, I was led to experiment with various 

 means of oblique illumination ; among others placing the Amici 



Vol. X. G 2 No. 2. 



