DUTCH AND ENGLISH BIRDS. 207 
Genus Upupa. 
Upupa epops Linn. 
Breeds in Holland in small numbers, more common on 
migration in spring and autumn. 
An irregular visitor to the Br. Isl, on migration, ha- 
ving bred a few times. 
Genus Cuculus. 
Cuculus canorus Linn. 
A common summer visitor to Holland and the Br. Isl. 
Genus Coccystes. 
(Coccystes glandarius) (Linn.). 
Genus Coceyzus. 
(Coccyzus americanus) (Linn.). 
(Coccyzus erythrophthalmus) (Wilson). 
Order STRIGES. 
Genus Strix. 
Strix flammea Linn. 
A common resident in Holland and the British Islands. 
Genus Asio. 
Asio otus (Linn.). 
Resident and breeding in most dutch provinces. In au- 
tumn congregating often in large flocks sometimes together 
with Asto brachyotus. Resident in the Br. Islands. 
Asio brachyotus (Forster). 
Breeds in small numbers in Holland in marshy districts, 
being more common in autumn and winter. The same 
thing occurs in the British Islands. 
Genus Syrnium. 
Syrnium aluco (Linn.). 
Resident in Holland and the British Islands. 
Notes from the Leyden Museum, Vol. XV. 
