56 
THE BIRDS OF HAMPSHIRE. 
in November. He considers it arrives as early and 
remains as late in Hampshire and the Isle of Wight as 
anywhere in the British Isles ; but Dr. Cowper is not 
of opinion that the Isle of Wight is favoured by any 
specially early arrival of this species, though they remain 
later than in most other places, for they may frequently 
be observed late in November, and he has seen a few 
as late as the 23rd of December. 
In 1902 there are numerous records of this species 
from the Warner Light Vessel, extending from May 4th 
until June 14th ; during this period single specimens or 
small flocks were constantly noted, all of them during 
early morning and the daytime, and all flying north or 
north-west. 
One record only is from the Needles Lighthouse on 
August 26th, when specimens were noted flying west. 
Qi^1ik\\^~Chelidon. 
63. Chelidon urbica, Martin. 
A common summer visitor. 
It arrives rather later than the swallow, and departs in 
October, sometimes remaining to November. 
We consider this species rather local in distribution, 
usually repairing to the same nesting-places year after 
year, and not much favouring fresh situations for their 
nests ; though apparently the eaves of an adjoining house 
may be equally suitable, they may, for some reason or 
other, be never occupied. 
In the Isle of Wight they nest under the ledges of the 
