: 1, 2. Adult males, Peru. 



3. Younger male, Peru. 

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



G. Adult, Guayaquil. Presented by W. S.W. Ruscbcnbcrgcr, 

 M. D.,'TJ. S. Navy. 



4. Chordeiles RurESTRis, (Spix.) Sjjir, Av. Bras. ii. pi. 2. 



Caprimulgus rupestris, Sj)ix. Av. Bras. ii. p. 



1. Male, Kio Negro, South America. 



2. Female, Rio Negro, South America. 



3. very young, same locality. 



5. Chordeiles sapiti, Bonap. Cons. Av. p. 03. 



" Caprimulgus sapiti, Natter. Mus. Vindobonens." Bonaj). (ii.t 

 sup.) 



1, 2. Adults? South America. 



2. Genus LUROCALIS, Cassin. 



1. LuROCALis Nattererii, (Tcmm.) Tcmm.. Pi. Col. 107. 



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

 '* Caprimulgus brachyurus, Mus. Berol," Erman. Reisc, Yerz. p. 

 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 semitorquatus, Gmclin. ^ijst. Nat. i. pt. ii. p. 1031 

 Podager Gouldii, G. R. Grat/. Gen. of Birds, pi. 18. 



1. Adult, Cayenne, from the Rivoli collection. 



2. Adult, Demarara, from Mr. Cassin's collection. 



3. Leurocalis LEucorYGUs, (Spis.) A IK Bras. Avcs. pi. 3, fig. 2. 



Caprimulgus leucopygus, S^ti.r. Av. Bras. Avcs. p. 3. 

 Chordeiles minutus, Boncq). Consp. Ar. p. Go. 



1. Adult, Brazil, from tiie Rivoli collection. 



2. Adult, Rio Negro. 



3. Genus EUROSTOPODUS, Gould. 



1. EuROSTOPODUS albogularis, (Vig. & Horsf.) Govid, 71 of Aust. 



ii. pi. 7. 

 Caprimulgus albogularis, Vi<j. d- Ilui'sf, Linn. Trans. London, 



XV. p. 194. 

 Caprimulgus mysticalis, Tcmm. Pi. Coi. 410. 

 Caprimulgus albomaculatus, Cvv. 



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

 collection. 



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

 4, 5. Australia, from the Rivoli collection. 





