£44 ON VARIOUS PARTS 



like the bats are come forth to collect a 

 little food ? Bats appear at all seasons 

 through the Autumn and Spring months, 

 when the thermometer is at 50, because 

 then phalsenae and moths are stirring. 

 These swallows looked like young ones. 



White. 



Of their migration the proofs are such as 

 will scarcely admit of a doubt. Sir Charles^ 

 Wager and Captain Wright saw vast 

 flocks of them at sea, when on their pas- 

 sage from one country to another. Our 

 author, Mr. White, saw what he deemed 

 the actual migration of these birds, and 

 which he has described at p. Ill of his His- 

 tory of Selborne ; and of their congregat- 

 ing together on the roofs^ of churches and 

 other buildings, and on trees, previous to 

 their departure, many instances occur; par- 

 ticularly I once observed a large flock of 

 house- martins on the roof of the church 

 here at Catsfield, which acted exactly in 

 the manner here described by Mr. White, 

 sometimes preening their feathers and 



