TUBE-NOSED SWIMMERS. 53 



26. BLACK-CAPPED PETREL. 



About the size of the Sooty Shearwater, 

 but the tail is wedge-shaped, not rounded as 

 in that species. The top of the head and 

 upper parts are black with the margins of 

 the feathers paler. There is a large white 



Fig. 35. 



Manx Shearwater. 1-8. 



patch on the rump and basal half of the tail. 

 The sides of the head and neck and the lower 

 parts are pure white. Occurs in the warmer 

 parts of the Atlantic; stragglers have been 

 taken in Florida, Virginia, New York, Ver- 

 mont, and Ontario. 



