72 The Ottawa Naturalist. [June 



laid. Bronzed Grackle started to build on April 14th and young 

 were about to leave the nest on May the 20th. Song Sparrow 

 started to build April 15th. Bank Swallow commenced to dig 

 holes on May 8th. Catbird started to build on May i8th. 

 House Wren started to build on May 15th. 



On May 12th a Prairie Horned Lark's nest was found at the 

 Experimental Farm containing four eggs. The nest was beside 

 a large dandelion on the lawn in the arboretum. Miss Harmer 

 found a nest of the same bird with young on the nth. A 

 Chickadee's nest was found by Miss Harmer on the 14th of May 

 in a hollow stump, three feet high and four feet in diameter, the 

 entrance to the nest was from the top of the stump the hole 

 apparently being made by the birds, the nest was about 9 inches 

 from the top. 



A Purple Finch's nest was found by Dr. Fletcher near his 

 house at the Experimental Farm on the 21st of May. The nest 

 was in a white s|)ruce tree, about 9 feet from the ground. 



On the 28 of May, Miss Harmer found a Blue-headed 

 Vireo's nest at Chelsea. It was only partly built and was 

 composed of finely shredded birch bark, and down, probably 

 brought from some willows near by. The nest was suspended 

 from a horizontal branch of a young maple. 



The following notes of arrivals of birds at London, Ontario 

 were kindly furnished by Mr. W. E. Saunders. P'lickers, March 

 17th, Belted Kingfishers, i8th, Cowbird, 19th, Red-shouldered 

 Hawk, 20th, Vesper Sparrow, Phoebe, 27th, Fox-coloured 

 Sparrow, April 3rd, Rusty' Grackle, 5th, Chewink, nth. 

 Savannah Sparrow, 12th, Chipping, 14th, Tree Swallow, 14th, 

 Yellow-bellied Wood-pecker, i6th. Dove, 17th, White-throated 

 Sparrow April 23rd, Ruby-crowned Kinglet April 24th, 

 Louisiana Water-Thrush, Hermit Thrush, Field Sparrow, Brown 

 Thrasher, Barn Swallow, April 27th, Myrtle Warbler, Bobolink, 

 Purple Martin, Chimney Swift, April 28th, Black-throated Green 

 Warbler, Spotted Sandpiper, Warbling Vireo, Baltimore Oriole, 

 May 1st, Least Flycatcher, Catbird, Water Thrush, Yellow 

 warbler, Rose-breasted Grosbeak, Whip-poor-will, Maryland 

 Yellow-throat, Ovenbird, Nashville warbler, Black and White 

 Warbler, House Wren, May 2nd. W. T. M, 



