13 



March 20th, 1885. 



EXHIBITS. 



On behalf of Wm. Storey, of Pateley Bridge, was showo a specimen of 

 the Black-headed Gull (Lams ridibundus), iu winter plumage, which Had 

 been taken at Brimham, out of a flock of seven ; and a couple of male 

 specimens of the Great Water-beetle (Dyticus marginalis), from Pateley 

 Bridge. "VV. Booth showed eggs of the Kingfisher, and of four species of 

 Shrike. C. Smethurst brought a number of Chrysalides of Lepidoptera, 

 from Burley, Leeds, including the Puss Moth (Dicranura vinula), in their 

 well-known bark cocoons; he showed also cocoons of microgaster, the 

 familiar parasite on the common large Cabbage White Butterfly ; pupae, 

 from Selby, of Notodonta ziczac, and N. dictcea ; male and female specimens 

 of Phigalia pilosaria, and males of Hyberia progemmaria, taken near 

 Horsfortb. F. Emsley exhibited slides of diatoms and rotifers, and of 

 Fhiglena viridis, from Beeston. 



March 27th, 1885. 

 EXHIBITS. 

 W. Barwell Turner, F.E.M.S., brought some valuable illustrated works 

 on Algae, viz., Perty's Klehister Lebensfomien, Nageli's Algen, and Wood's 

 United States Alga. On behalf of Jas. Walker, Esq., J.P., was exhibited 

 a very old microscope, a fine example of 18th century work. The objectives 

 were all single lenses, and the instrument was accompanied by curious 

 objects, which were mounted dry between talc plates. F. W. Branson, 

 F.C.S., exhibited a parasite taken from the dorsal fin of a roach. 



April 10th, 1885. 



EXHIBITS. 



The President exhibited a number of Lepidoptera recently received 



from Ohio ; and "Washington Teasdale, F.E.M.S., brought a number of 



very beautiful micro-drawings, executed by the late Mr. G. F. Chantrell, of 



Liverpool. 



April 25th, 1885. 



H. MARSH ON "THE NORTH-WEST OF CANADA." 



It was an account of an excursion made under the auspices of the 

 British Association during their meeting in Montreal in 1884. The route, 

 which was over the Canadian Pacific Railway, via Toronto, Lake Superior, 

 Winnipeg, and Calgary, to the Rocky Moimtains, was described, and the 

 various events of the journey touched upon. Attention was then drawn 

 to the geographical aspect of the country, and the general characteristics 

 of some of the tribes of Indians, whom the members of the party had an 

 opportunity of observing ; the form of government was also explained. 



