42 DUTCH AND ENGLISH BIRDS. 
Falco subbuteo Linn. 
A regular summer visitant to Holland and the British 
Islands. 
Falco aesalon Tunstall. 
On migration in spring and autumn in Holland. 
In the Br. Isl. a winter visitor; breeding in the North 
(L. Br. B. p. 103). 
Genus Tinnunculus. 
(Tinnunculus vespertinus) (Linn). 
(Tinnunculus ‘alaudarius) (Gmelin). 
A numerous resident in Holland, sometimes leaving in 
autumn. A resident in the Br. Isl. 
(Tinnunculus cenchris) (Naumann). 
(Tinnunculus sparverius) (Linn.). 
Genus Pandion. 
Pandion haliaétus (Linn.). 
A rare visitor to Holland; formerly breeding there. 
A regular visitor to the British Isl.; still breeding in 
Scotland. 
Order STEGANOPODES. 
Genus Phalacrocorax. 
Phalacrocoraz carbo (Linn.). 
A common resident in Holland, breeding on the ground 
or, if in trees, generally in company with Ardea cinerea. 
Common in the Br. Isl, breeding on the sea-cliffs and on 
inland waters. 
Phalacrocorax graculus (Linn.). 
A rare straggler to Holland. 
A common resident on the rocky coast of the Br. Isl. 
Genus Sula. 
Sula bassana (länn.). 
Notes from the Leyden Museum, Vol. XV. 
