DUTCH AND ENGLISH BIRDS. 199 
A summer visitor, breeding in small numbers in the 
eastern provinces; generally leaving in autumn but sometimes 
remaining throught the winter. 
A resident in the Br. Islands. 
Genus Chrysomitris. 
Chrysomitris spinus (Linn.). 
A numerous winter visitor to Holland. Has been obser- 
ved to breed on different occasions in the pinewoods of 
Gelderland and Noord Brabant. It sometimes happens that 
large numbers of young birds come on migration to Hol- 
land in the month of July, so f. i. in July 1891. 
Breeds in Scotland being elsewhere a winter visitant. 
Genus Serinus. 
Serinus hortulanus Koch. 
This bird seems to have a tendency of extending its 
habitat to the North. Was formerly of very rare occurrence 
in Holland but is now captured in autumn almost every 
year. A rare visitor to England. 
Genus Ligurinus. 
Ligurinus chloris (Linn). 
A common summer visitaut to Holland; generally, but 
not always, leaving in autumn. 
A resident in most parts of the Br. Isl. 
Genus Coccothraustes. 
Coccothraustes vulgaris Pallas. 
Breeds in Holland in small numbers in the woods of 
Noord Holland, Gelderland, Utrecht and Noord Brabant. 
On migration elsewhere. Breeds in different parts of the 
Br. Islands. 
Genus Passer. 
Passer domesticus (Linn). 
A common resident in Holland and the Br. Islands. 
Notes from the Leyden Museum, Vol. XV. 
