THE BIOLOGICAL REVIEW. 33 



BIRDS OBSERVED BREEDING IN THE VICINITY 

 OF TORONTO DURING THE SEASON OF 1892. 



By John Jackson. 



Corvus americanus. — (April 24.) Nest placed in an oak tree, 

 about forty feet from the ground ; composed of sticks and twigs, 

 lined with hair, vinebark and dead leaves. It contained five 

 fresh eggs. Average size, 1-70 x 1*17. 



(May 24.) Nest almost identical in construction with the 

 preceding, placed in a pine tree about thirty feet from the 

 ground, containing Ave eggs, slightly incubated. Average, 

 1*62 x i*i8. 



Povzana Carolina. — (May 11.) A nest of this species was 

 found in Ashbridge's Bay containing three eggs, but on visiting 

 it about a week later the nest and eggs were found destroyed, 

 owing to a sudden rise in the water of the locality. 



Cyanocitta cristata. — (May 15.) Nest placed in a red pine 

 tree, about twelve feet from the ground, composed of sticks, 

 twigs and scraps of paper ; lined with finer twigs and plant 

 stems. It contained four fresh eggs. Average, i-io x -82. 



(May 22.) Another nest of this species was found in a pine 

 tree, about eight feet from the ground, containing four eggs far 

 advanced in incubation. 



Falco sparverius. — (May 18). A nest of this species was 

 located in a hollow birch tree, about twenty feet from the 

 ground. The cavity was about eighteen inches in depth, and 

 contained three fresh eggs, which were laid on the bare wood. 

 Average, 1-37 x 1-07. 



Pipilo erythrophthalmus. — (May 22.) Nest placed in the 

 ground under the shadow of an overhanging bush ; composed 

 of dead leaves and weed stalks, lined with fine dry grass and 

 plant stems. It contained three fresh eggs, averaging -97 x -75 

 in size. 



Turdus fuscescens. — (May 29.) A nest of this species con- 

 taining two eggs, located in an evergreen bush about three feet 

 from the ground, but upon visiting it later both nest and eggs 

 were found destroyed. 



