178 THE ZOOLOGIST. 



long hairs, which had effectually insinuated themselves into the 

 lining of the bird's gizzard. There were three good-sized cater- 

 pillars in its throat, still undigested, and these resembled the 

 larvae of the Tiger Moth or Fox Moth, both of which are very 

 hairy, and no doubt similar larvae supplied the hairs in the 



Stomach of a young Cuckoo. 



gizzard. That somehow or other caterpillars' long hairs fre- 

 quently find their way into the cuticle of the gizzards of Cuckoos 

 has long been known, but it must be rare to find so many as in 

 the present case.* 



14th. — At 7 a.m. the wind was S.S.E., 3, but at Blakeney it 

 veered round to N.E., with thunder, and here a large migration 

 of House Martins and Swallows, as well as of Linnets, came 

 under Mr. Arnold's notice. The great number of House Martins 

 which in September travel through East Norfolk has been before 

 alluded to (' Zoologist,' 1906, p. 133, and 1909, p. 130), and a 

 plausible suggestion thrown out, namely, that they follow the 

 western shore of the North Sea, and not the eastern. 



15th. — N.E., 2. Several Kingfishers reported by Mr. Arnold 

 as being at no great distance from the shore had possibly 

 crossed the sea in the night. 



* My late father recorded the presence of hairs in Oxylophus serratus 

 ('Ibis,' 1859, p. 246). 



