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Order V.— ZYGODACTYLI. 



Family PICID^. (Bonaparte. J 



Genus Picus. (Linnceus.J 



Generic Characters. — Beak strong, cuneiform, or rounded, and 

 grooved above, about as long as the bead, straight, and 

 pointed; nostrils open, oval, more or less hid by the setaceous 

 feathers which cover the base of the beak. Tongue very 

 mobile, capable of being projected from the mouth, armed 

 with small sharp needle-like processes bent backwards and 

 horny towards the tip. Feet robust and short, with three or 

 four toes; claws arched, compressed, and pointed, formed for 

 climbing. Wings elongated, the bastard quill short, the third 

 and fourth the longest. Tail composed of quills having stiff 

 and elastic shafts, ten or twelve in number, and serving as 

 a prop in climbing. 



GREY WOODPECKER. 



Picus canus. 



Picus canus, 



" viridis Norvegicus, 



" Norvegicus, 



" viridis canus, 

 Oecinus canus, 

 Pic vert Cendre, 

 Grauer Grunspeclit, 

 Piccliio verde di Norvegia, 



G-melin, 1788. 

 Beisson, 1709. 

 Latham, 1790. 

 Meyee. 



BoiE. BoNAPAETE. 

 Of THE FeENCH. 



Oe the Geemans. 

 Stoe. 



