218 DUTCH AND ENGLISH BIRDS. 
Genus Dafila. 
Dafila acuta (Linn). 
Breeds in Holland in tolerable numbers in marshes and 
larger pieces of water, and is found on migration in 
autumn more generally. A winter visitor to England, bree- 
ding in Scotland and Ireland in small numbers. 
Genus Anas. 
Anas boschas Linn. 
Resident and common in Holland. A great number of 
migrants join these residents during the winter. 
A general resident in the Br. Islands. 
Genus Chaulelasmus. 
Chaulelasmus streperus (Linn.). 
A scarce summer visitant to Holland, coming in March 
and leaving in October. 
A winter visitor to the Br. Isl, regularly breeding in 
Norfolk in large numbers (H. S.). 
Genus Querquedula. 
Querquedula circia (Linn). 
A summer visitor to Holland and England. 
(Querquedula discors) (Linn.). 
Querquedula crecca (Linn.). 
A summer visitor, generally breeding in Holland. In 
autumn and spring large numbers pass through the country | 
on migration. 
A resident in the Br, Isl. 
(Querguedula carolinensis) (Gmelin). 
Genus Spatula, 
Spatula clypeata (Linn.). 
Breeds in Holland and generally leaves in autumn. 
INotes from the Leyden Museum, Vol. XV. 
