WniTE-BODlEi) SWALLOW. 75 
monger than the second, and the two outer tail- 
feathers are narrowed to a point ; they extend near 
half an inch beyond the others, although they are a 
quarter of an inch shorter than the wings. 
In regard to colour, the upper plumage is of a 
deep glossy black reflecting steel-blue. In another 
specimen we have seen, -which was probably of a 
different sex, this bluish gloss was tinged with green- 
white, that upon the head and ears was inclined to 
violet (this latter is in the Fort Pitt or Chatham 
Museum). On the wings there is a large oval spot 
of pure white near an inch and a quarter long, which 
occupies part of the greater covers, lesser quills, and 
tertials. The tail above appears entirely black, 
but upon being expanded there is seen a broad 
white band on the middle of the inner web of all 
the lateral feathers. The whole of the under plu- 
mage, from the chin to the tail-covers, is of a snowy 
whiteness ; on each side the breast the black colour 
of the back somewhat advances, as if about to form 
a semicollar on that part ; bill and feet, black. 
Total length, 5 inches; bill, from the gape, 1| ; 
wings, 3^ ; tail, from the base, ; depth of the 
fork, T « 5 ; tarsus, fa 
