50 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Genus PENELOPINA Reichenbach 



Penelopina Reichenbach, Handb. Orn., Columb., 1861, 152. 



Penelope niger Fraser.) 

 Penelope Reichenow, Die Vogel, i, 1913, 275, part. 



(Type, by monotypy, 



Medium-sized Cracidae (length about 534—635 mm.) with entire chin 

 as well as throat nude, the lower throat with a conspicuous compressed 

 lobe or dewlap, the adult male with plumage entirely black. 



Bill relatively rather small (from laterofrontal antiae about as long 

 as distance from same point to middle of eye), rather compressed, its 



Figure 4. — Penelopina nigra. 



depth at base about equal to its height at same point ; culmen rather 

 strongly decurved, broadly rounded, decidedly longer than distance from 

 its base to laterofrontal antiae; mesorhinium rather narrow anteriorly, 

 much broader basally, where flattened, its upper outline straight, gradually 

 but slightly ascending toward base ; nostrils fusiform, longitudinal, their 

 anterior ends in contact with rhinotheca, the nasal fossae posterior to and 



