130 THE CANADIAN NATURALIST. [Vol. viii. 



observed to hatch in the autumn. (On June 7th, 1875, the 

 young insects had already destroyed all growing crops.) 



Swan Lake House. North West Territory. — (D. McDonald.) 

 The grasshoppers did not appear here this summer, and are said 

 to do so very seldom. 



Beautiful Plain, North West Territory. — (Prof. Bell, Geolo- 

 gical Survey of Canada.) Not produced from the egg here. 

 Swarms arrived on the wing July 12th and were nearly all gone 

 July 15th. Came from the west, and departed about east-south- 

 east. Eggs were deposited in great numbers in gravel and sand 

 ridges, on badger mounds, &c. Very few were observed to 

 hatch in autumn. Between Prairie Portage and Headingly 

 about two-thirds of crop destroyed. 



Manitoba House, North West Territory. — (J. Cowie, J. P.) 

 Not produced from the egg here. Swarms arrived about the 

 third week of July, from the south-west, but not in great num- 

 bers. Passing over the place for about a week, going generally 

 south-east. Eggs were deposited. 



Crops destroyed, about one-tenth. 



None were seen to the north of this place. Multitudes were 

 drowned in the lake (Manitoba Lake), on the shores of which 

 they were piled up in masses three feet deep. 



Fairford Post, North West Territory. — (J. Cowie, J. P.) No 

 swarms of grasshoppers have as yet appeared here. 



Palestine, M. — (D. Ferguson.) Not produced from the egg 

 here. On July 19th a few appeared, and were afterwards fol- 

 lowed by great swarms coming from the north-west. Insects left 

 about July 30th, going north-east. No eggs deposited. 



Destruction of grain total, of potatoes one-fifth. 



Burnside, M.—(K. McKenzie) . Half-breeds told Mr. McKenzie 

 that grasshoppers were very thick in the Saskatchewan country, 

 and within sixty miles of Burnside on July 14th; on July 17th they 

 arrived. Came from the west, and kept pouring in till July 22nd, 

 being most numerous on July 19th. By July 29th had nearly all 

 gone. Direction of flight on departure east or north-east. 

 Eggs were deposited. 



Wheat crops at Burnside averaged 16 to 20 bushels per acre 

 against 28 to 32 in former years ; in western settlements not 



