PASSERES. 245 



2. Ridge of the upper mandible obviously curved, 

 (flfl.) Nostrils covered with deflected feathers. 

 Feathers at the lose of the bill wiry. 



Feathers of the front loose, and capable of being erected 

 into a crest. 



107. GARRULUS. Jay. End of the upper mandible 

 hooked. Corvus glandarius. 



Front feathers plain. 

 Tail long. 



108. PICA. Magpie. Corvus pica. 



Tail of the ordinary size. 



109. CORVUS. Crow. C. Corax. 



110. CARYCCATACTES. Nutcracker. Corvus carycatac- 

 tes The slenderness of the bill, and its want of curvi- 

 ture, indicates this genus to belong to a different group. 



Feathers at the base of the bill downy. 



111. PARADISEA. Bird of paradise. Side-feathers very 

 long. Two tail feathers without webs. This genus con- 

 tains several species. 



(bb.) Nostrils naked. 



Head with naked carunculated spaces. 



112. EULABES. Feathers at the base of the bill downy. 

 Gracida religiosa. 



Head covered. 



113. CORACIAS. Roller. Bill compressed. C. gar- 

 rula. 



114. COLARIS. Bill depressed. Coracias orientalis. 



TENUIROSTRES. Bill slender, produced. 



(1.) Claws long and hooked. The birds of this group are 



