1, 2. Adult males, Peru. 



3. Younger male, Peru. 

 4, 5. South America, from the Rivoli collection. 



6. Adult, Guayaquil. Presented byW.S.W. lluschenberger, 

 M. D., U. S. Navy. 



4. CiiORDEiLEs RUPESTRis, (Spix.) Spix, Av. Brus. ii. pi. 2. 



Caprimulgus rupestris, Spix. Av. Bras.ii. p. 



1. Male, Rio Negro, South America. 



2. Female, Rio Negro, South America. 



3. very young, same locality. 



5. Chordeiles sapiti, Bonap. Com. Av. p. 63. 



" Caprimulgus sapiti, Natter. Mus. Vindobonens." Bonop. (ul 

 sup.) 



1, 2. Adults? South America. 



2. Genus LUROCALIS, CasBin. 



1. LuROCALis Nattererii, (Temm.) Temm. PL Col. 107. 



Caprimulgus Nattererii, Tevim. PI. Col. ii. (liv. 18.) 

 " Caprimulgus brachyurus, Mus. Berol," Erman. Rei$e, Verz. j). 

 16. 



1. Adult, South America, from the Rivoli collection. 



2. Adult, South America. Presented by M. Burrough, M.D. 



3. Adult, Brazil. 



2. LUROCALIS SEMITORQUATUS, (Gm.) Buff. PI. Enl. 734. 



Caprimulgus seiaitorquatus, Gmelin. Si/st. Nat. i. pt. ii. p. 1031. 

 Podager Gouldii, G. R. Gray. Gen. of Birds, pi. 18. 



1. Adult, Cayenne, from the Rivoli collection. 



2. Adult, Demarara, fi-om Mr. Cassin's collection. 



3. Leurocalis leucopygus, (Spix.) Av. Bras, Avcs. pi. 3, fig. 2. 



Caprimulgus leucopygus, Spix. Av. Bras. Avcs. p. 3. 

 Chordeiles minutus, Bonap). Consp. Av. p. 63. 



1. Adult, Brazil, from the Rivoli collection. 



2. Adult, Rio Negro. 



3. Genus EUROSTOPODUS, Gould. 



1. EuROSTOPODUS albogularis, (Vig. & Horsf.) Gould, B. o/Aust. 



ii. pi, 7. 

 Caprimulgus albogularis, Vig. & Uorsf. Linn. Trans. London, 



XV. p. 194. 

 Caprimulgus mysticalis, Temm. PI. Col. 410. 

 Caprimulgus albomaculatus, Cuv. 



1. Adult male, Moreton bay, Australia, from Mr. Gould's 

 collection. 



2, 3. Females, same locality, from the same. 

 4, 5. Australia, from the Rivoli collection. 



