SWALLOW. 



221 



The female lias a smaller cliestnut-coloured spot on the 

 forehead ; the dark band across the breast is narrower ; the 

 under surface of the body is less tinged with buff; the upper 

 part of the body not so fine in colour, and the outside tail- 

 feathers are shorter. 



The young of the year have no chestnut colour on the fore- 

 head ; the throat is merely tinged with rufous ; the band 

 across the throat is but faintly indicated ; the first set of tail- 

 feathers are nearly square at the end, Avithout white spots on 

 the webs. The long tail-feathers arc not acquired till the 

 first moult. 



White and buflf-colourcd varieties are not uncommon. 



