S.10 
the natural history 
places: then they are not feared by a gun, and 
are often beaten down with poles, and flicks, as 
they attempt to enter their nefts. 
They have a ftrong grafp with their feet, which 
enables them to cling to walls, and their bodies 
being flat, they can enter a narrow crevice. 
They are much infefted with vermin; and 
young ones are fometimes found fallen on the 
ground under their nefts, which the fleas perhaps 
may have rendered infupportable. 
For feveral years eight pair were obferved to 
frequent the Church at Selborne : as they every 
year bred eight pair more, what becomes of the 
i'llcrcafe ?—the parents, peihaps, compel them to 
find fome other fpot. 
On the 24th of Auguft, Mr. White obferved 
a folitary Swift, which he difeovered attended 
upon two young ones in a neft, under the eaves 
of a buildings 
On the 27th they all difappeared. On the 31ft 
he had the eaves uncovered, and found in a neft 
two dead Swifts, quite putrid, over thefe a fecond 
neft had been formed. 
This proves that Swifts, when fuch a circum- 
ftance makes it neceffary, can fubfift here after 
the ufual time of their migration ; it likewife 
affords a preemption, that they raife but one 
brood, in a year. 
The 
