80 



Annals of the Carnegie Museum. 



chops, Hoploxypterus, Eurypyga, Plcgadis, Harpiprion, Jabiru, Hero- 



dias, Chauna, Nomonyx, and Frcgata, or of birds of prey such as 

 Parabutco, Leueopternis, Thrasactos, Spiziastur, Elanus, Bubo, Speo- 

 tyto, and Tyto. Among " Picarian " forms Capita, Jacamerops, Mo- 

 uasa, and Celeus are conspicuous by their absence, and among Passerine 

 birds such well-known genera as Hylophylax, Sittasomus, Placostomus, 

 Myiobiits, Qucrula, Geothlypis, Pitylus, Chlorophancs, " Pharnico- 



Fig. s. Range of Phaethomis longirostris susurrus (i), a characteristic form 

 of the Humid Tropical Zone of the Santa Marta Region, and of its nearest 

 ally, P. longirostris cephalus (2), to show their discontinuous distribution. 



