1917.] 



Chapman, Distribution of Bird-life in Colombia. 



185 



Querquedula discors 



Marila affinis 



Circus hudsonius 



Buteo platypterus 



Elanoides forficatus 



Coccyzus americanus americanus 



Empidonax virescens 



" traiUi alnorum 



Myiochanes virens 



" riohardsoni 



Myiarchus crinitus 

 Tyrannus tyrannus 

 Riparia riparia 

 Hirundo erythrogaster 

 Hylocichla alicise alicise 



" ustulata swainsoni 

 Vireo flavifrons 

 Mniotilta varia 



Protonotaria oitrea 

 Vermivora chrysoptera 



" peregrina 

 Dendroica aestiva sestiva 



" cserulea 



" fusca 



" castanea 



" striata 

 Oporornis Philadelphia 

 Seiurus noveboraoensis noveboraeensis 



notabilis 

 Wilsonia canadensis 

 Setophaga ruticilla 

 Zamelodia ludoviciana 

 Spiza americana 

 Piranga rubra rubra 

 Icterus spurius 



Sequence of Localities Cited. — The specimens collected by us are listed 

 by localities under their respective species. The localities are usually cited 

 from the west southward, thence eastward. Thus the first station men- 

 tioned for Tropical Zone species of general distribution, is in the Atrato or 

 San Juan Valleys, and this in turn is followed by other places on the Pacific 

 coast southward to Barbacoas. Localities in the Cauca and Magdalena 

 Valleys, and at the eastern base of the Andes are then listed in the order 

 named. Localities in the upper life-zones are treated in a similar manner. 

 Those in the Western Andes precede those in the Central Andes which, 

 in turn, are named before those of the Eastern Andes. 



References. — Aside from a reference to the original description, with its 

 type-locality,'^ I have restricted my quotations to papers on Colombian 

 ornithology, and from them I have selected only such records as, in my 

 opinion, were of value in definitely defining the boundaries of a bird's range. 



Under this ruling, most 'Bogota' references, for example, are excluded, 

 the zonal and faunal diversity of the Bogota region making records from it 

 generally useless for distributional purposes. 



Records from the Santa Marta region are, as a rule, quoted only from 

 Dr. Allen's paper (1900) which contains references to the publications of 

 earlier authors on the bird-life of the Santa Marta district. 



1 Where circumstances seemed to warrant the step, I have, in some instances, suggested a type- 

 locality for species described from unknown or indefinite localities. 



In other cases, where subsequent authors have proposed "Colombia'' as a type-locality, I have 

 taken the liberty to add the name of a Station whe're the species is known to occur. With a single 

 species represented in Golomhia by as many as five races, the proposed addition of "Colombia" to 

 the original description may still leave uncertain the proper apphcation of the name concerned. 



