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8S4 



REVIEW OF AMERICAN BIRDS. 



[PAUT I. 



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(23,326.) Type. 



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CYCLORHIS, AiNSow. 



Cyclorhls, Swai^son, Zool. Journal, ill, 1828, 162. (Type Tanagra 

 gttianensis, G.M.) 



Form very stout ; the head broad. Wings rather longer than the narrow, 

 nearly even, or slightly rounded tail ; the quills graduated : the 1st more thau 



:«jV 



'A: 



t'l/clorhia yuiuntnait, Sclateb. (Cayeuue.) ,, ^., ^ , . ^ , . _ j 



half the 2d, which about equals secondaries ; the 4th or 5tli longest ; the 

 tips not attenuated. Bill very powerful, deep, much compressed (ileptli 

 almost equal to distance from nostril to notch of bill) ; culraen and gonys 

 much curved from base ; gape nearly straight ; tip of upper bill decurved 

 and with deep notch ; tip of lower less distinctly marked. Nostrils small, 

 nearly circular, in anterior end of nasal fossa, with membrane above and 

 behind it. Frontal feathers directed somewhat forward, but not overhanging 

 nostrils, and with very few bristles ; those of rictus moderate. 



Feet stout (rather less so than in J ilifs). Tarsus rather longer than middle 

 toe and claw ; distinctly scutellate .uieriorly, and with one or two divisions 

 externally at lower end. Basal joint of middle toe entirely adherent exter- 

 nally to one and a half joints of outer ; internally, but slightly free and united 

 to half of adjacent joint. Lateral toes nearly as long as middle, reaching' 

 over half the length of middle claw or even farther. Hind toe longer than 

 the lateral. Claws all very stout and sharp, much curved. 



The bill of Cyclorhin, iu its compression, great depth, and other 



