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CONTENTS OF PAET XXIII. 



LONG-EAEED OWL. 

 Asio oTDs {Linn.). 



EOOK. 



CoRvus FRUGTLEGuSj Linn. 



WHITE STORK. 



CicoNiA ALBA, Beckstein. 



GRIFFON VULTURE. 



Gyps fulvus (/. F. Gmelin). 



NEOPHRON, OE EGYPTIAN VUL- 

 TURE. 



Neophron percnopterus 



\_{Linn.). 



GOOSANDER. 



Mergus merganser, Linn. 



GLAUCOUS GULL. 



Larus glaucus, 0. Fabricius. 



HERRING-GULL. 



Larus ARGENTATUSj J. F. Gmelin. 



LESSER BLACK-BACKED GULL. 

 Larus fuscus, Linn. 



CUNEATE-TAILED GULL*. 



Rhodostethia ROSEA {Macg.). 



BLACK GUILLEMOT. 

 Uria grylle [Linn.). 



LITTLE AUK. 



Mergulus alle [Linn.). 



The second Plate of this species will appear in a future Part. 



