igi8. Catalogue of Birds of the Americas — Cory. 117 



Nyctibius griseus abbotti* (Richmond). Abbott's Potoo. 



Nyctibius griseus abboUi Richmond, Smith. Misc. Coll., 68, No. 7, 1917, p. i 

 (Port de Pimente, northwestern Haiti). 



Range: Island of Haiti. 



Nyctibius griseus mexicanus (Nelson). Mexican Potoo. 



Nyctibius jamaicensis mexicanus Nelson, Auk, 1900, p. 260 (Metlaltoyxica, 



Puebla, Mexico). 

 Nyctibius griseus mexicanus Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, 



P- 592. 

 Range: Southeastern Mexico and western Mexico in State of 

 Sinaloa? 



Nyctibius griseus costaricensis Ridgway. Costa Rican Potoo. 



Nyctibius griseus costaricensis Ridgway, Proc. Biol. Soc. Wash., XXV, 1912, 

 p. 91 (Sarchi, Alajuela, Costa Rica). 



Range : Costa Rica. 



*Nyctibius griseus panamensis Ridgway. Panama Potoo. 



Nyctibius griseus panamensis Ridgwey, Proc. Biol. Soc. Wash., XXV, 1912, 

 p. 91 (Nata, Code, Panama); Id., Bull. U. S. Nat. Mus., No. 50, VI, 1914, 

 P- 593. 



Range: Panama and Colombia (Bogota, Antioqtiia, etc.). 



i: "Colombia." 



Nyctibius maculosus^ Ridgway. Ridgway's Potoo. 



Nyctibius maculosus Ridgway, Proc. Biol. Soc. Wash., XXV, 1912, p. 92 (Am- 

 bato, Ecuador); Id., Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 587, in key. 



Range: Central Colombia to northern Ecuador. 



Nyctibius leucopterus (Maximilian). White-winged Potoo. 



Caprimulgus leucopterus Maximilian, Reise Brasil, II, 1821, p. 227 (Caravallas, 



near Bahia, Brazil). 

 Nyctibius leucopterus Des Murs, Icon. Om., liv. 9, 1847, pi. 49-50; Hartert, 



Cat. Bds. Brit. Mus., XVI, 1892, p. 694; Ridgway, Bull. U. S. Nat. Mus., 



No. 50, VI, 1914, p. 587, in key. 



Range: Coast region of southern Brazil. 



* Nyctibius griseus abbotti Richmond : Similar to N. g. jamaicensis, but differs in hav- 

 ing the black markings on the pileum much reduced in size and extent and without 

 the admixture of pale brownish buffy, the general aspect of the crown being brown- 

 ish gray and white, with black shaft marks, etc. ; dark bars on rectrices less regular 

 and more broken with gray mottlings and wavy lines; throat more ashy without 

 trace of cinnamon buflf ; blackish postocular stripe almost obsolete. Wing, 297 mm. 



^ Nyctibius maculosus Ridgway: Size of N. g. jamaicensis, but coloration very 

 different; general tone of coloration much darker, the under wing coverts and inner 

 webs of primaries uniform sooty black; posterior under parts spotted with black and 

 a large whitish area on middle wing coverts." (Ridgway, I.e.). 



