98 



BULLETIN 86, UNITED STATES NATIONAL MUSEUM. 



French Gwkma. — Cayenne. 



Fe«,esweZffl.— Maripa, Eio Caura (Apr. 23 and 24, 1901; Feb. 3, 

 1903; Dec. 28, 1909) ; Margarita Island (July 2, 1895) ; Encontrados, 

 Zulia (Feb. 20 and 24, 1908) ; San Felix (June 16, 1910). 



Measurements of specimens of Chordeiles acutipermis acutipenms. 



1 Used in measurement averages on p. 95. 



2 Specimen described on p. 94. 



CHORDEILES ACUTIFENNIS EXILIS (Lesson). 



Caprimulgus exilis Lesson, Rev. Zool., 1839, p. 44 (Chile). 



Claprimulgus]. pruinosus Tschtjdi, [Wiegmann's] Archlv fiir Naturg., 1844, 

 p. 268 (Peru) (Llchtenstein MS.). 



Gh[orclUes'i. semitorguatus Tschudi, Untersuch. Fauna Peruana, Omlth., 

 1846, p. 130 (text to plate) (Peru). 



OlhordilesJ. pruinosus [err. typ. pro Chordiles pruimosusl Tschtjdi, Unter- 

 such. Fauna Peruana, Ornith., 1846, p. 130. 



Chordeiles peruvianus Peale, United States Explor.' Exped., vol. 8, Mamm. 

 and Ornith., 1848, p. 172 (Callao, Peru). 



