﻿SWALLOW. 565 



sc imperceptible to thofe who are not ufed to obferve it *." 

 It lays generally only twice in the year; the firft time five white 

 eggs, inclining to dufky at the large end : at the fecond hatch 

 the eggs are only three, or four at moft j and at the third, which 

 is fometimes the cafe -j-, no more than two or three. 



This comes into England about twenty days after the S&a.low, 

 generally departing the beginning of October, 



3- 



Var. A. 



TN Sir J. Banks's collection, I obferve a Martin very like the Description, 



above, but duflcy in thofe parts where that is black : the 

 quills, tail, and its upper coverts, tipped with white. 



This came from fome part of North America* Place. 



L'Hirondelle d'Antigue, Son. Toy. p. 118. pi. 76. 4. 



i : a gorge couleur de rouille, Buf. oif. vi. p. 607. PANAYAN S W. 



ClZE of the Sand Martin. Bill black : on the forehead a Description. 



rufty yellow fpot : throat the fame, bordered by a narrow 

 black collar : head, neck, and back, of a velvet black : lefier 

 wing coverts changeable violet black: greater ones and quills 

 coal black : tail the fame, and forked : wings and tail of equal 

 lengths : all the under parts of the body, from the throat, white ; 

 legs black. 



This inhabits Antigue, in the ifland of Panay, one of the Phi- Placi. 



lippines. 



* Br. Zeol. i. p. 401. f Hift, des oif. 



L'Hirondelle 



