[906] Manitoba Warblers Cecropia Emperor Moth. 189 



AN ADDITION TO OUR MANITOBA WARBLERS. 



While in the woods on the afternoon of October the 17th, on 

 the lookout for the last individuals among- birds moving - south I 

 observed a stranger which the white patches at the base of the 

 primaries enabled me to recognize at once as a Black-throated 

 blue warbler {Dendroica ccerulescens) young male. It was flying 

 about near the ground among tall aspens and was afterwards fol- 

 lowed into thickish willows. In company with it were three 

 golden-crowned kinglets and a couple of slender-billed nut- 

 hatches. This warbler was very active in spite of the coldness of 

 the day and lateness of the season it was also rather shy. 



The black-throated blue warbler is not uncommon in most 

 parts of eastern Canada where it breeds, but it has not hitherto 

 been recorded for Manitoba, though from the bird observed being 

 a young one it might be inferred that this species breeds in the 

 province or further north. 



In Chapman's "Color Key " the range of this species is given 

 as "Eastern North America, breeds from northern Connecticut, 

 mountains of Pennsylvania, southern Michigan and northern 

 Minnesota, north to Labrador and Hudson Bay region ; winters 

 in Central and South America". 



Norman Criddle. 

 Treesbank, Manitoba, 



October 30th, 1906. 



CECROPIA EMPEROR MOTH. 



I have been shooting for many years at the "St. Clair Elats", 

 Kent County, Ontario, but it was only about fourteen years ago 

 that the cocoons of the above moth were first seen in great num- 

 bers at St. Ann's Shooting Preserve, which lies between the 

 E'Carte and Johnston's Channels. A very few willow trees and 

 bushes grow on the ridges out in the marsh and on'some of these 

 I found the cocoons. In one instance there were about fifty (50) 

 on one willow, of about 14 inches diameter in the trunk and at 

 another time I found about thirty-five on a small swamp willow 

 bush about 6 feet high, and also attached to the marsh or prairie 

 grass under or near said bush. Our club house is situated about 



