2. Genus HYDROPSALTS, Wagler. 



1. Hydropsalis torquatus, (Gm.) Temm. PI. col. 157, 158. 



Caprimulgus torquatus, Gmdin. S>jst. Nat. vol. i. pt. ii. p. 1032. 

 Caprimulgus brasiliensis, Brlsson. Orn. ii. p. 481. 

 Caprimulgus furcifer, Vieill. Mniv. Diet. x. p. 242. 

 " Caprimulgus psalurus, Azara." Tcnim. PL col. iv. p. (27 liv.) 

 " Caprimulgus fissicaudus, Merrem." Gray. Cat. Brit. Mus. 



Pissiros. p. 10. 

 "Caprimulgus grandis, Linn. Gm." Lichtenstein. Verzcichniss, 



p. 58. 

 Hydropsalis Azarse, Wagler. Ms, 1832, p. 1222. 

 Psalurus macropterus, /Su'ains. Cah. Gy. Birch ii. p. 339. 



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



3, 4. Adult females, Brazil, from the same. 



2. Hydropsalis limbatus, Cassin. Proc. Acad. Philada. Oct. 1849. 



Hydropsalis creagra, Bonap. Consj). Av. p. 58, (1850.) ? 



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



2. Younger male, South America, from the same. 



3. Female or young male, South America. 



3. Hydropsalis segmentatus, Cassin. Proc. Acad. Philada. Oct. 



1849. 



1. Male, Bogota, New Grenada, from the Rivoli collection. 



2. Female, Bogota, New Grenada, from the same. 



3. Male, South America. 



4. Hydropsalis lyra, Bonap. Consp. Av. p. 59, (1850.) 



" Hydropsalis lyra, Gould." Bonap. tU sup. 



1. Adult male, Bogota. 



2. Young male? South America. 



5. Hydropsalis climacocercus, (Tsch.) Fauna Peru. Aves, pi. 6. 



fig. 1. 

 Caprimulgus climacocercus, Tschudi. Wicgm. ArcMv. 1844, p. 2G9. 

 1. Female, Guiana. 



3. Genus STENOPSIS. Cassin. 



1. Stenopsis cayennensis, (Gm.) Buff. PI. Enl. 760. 



Caprimulgus cayennensis, Gmclin. Syst. Nat. i. pt. ii. p. 1031. 

 Caprimulgus Icucurus, Vieill. Nouv. Diet. x. p. 246. 

 Caprimulgus cayanus. Lath. Inelcx ii. p. 587. 

 Caprimulgus leopetcs, Jard. and Scl. 111. Orn. ii. pi. 87. 

 Caprimulgus odontoptcron, Lessem. Rev.Zool. 1839, p. 105. Cejmp. 



aux CEuv. Buff. XX. p. 260. 

 Caprimulgus enicurus, Vieill. Nouv. Diet. x. p. 243 ? 

 Hydropsalis trifurcatus, A^att. Tschudi, Fauna. Per. Orn. p. 129? 

 1, 2. Adult males, Cayenne, from the Rivoli collection. 



3. Female, South America, from the same. 



4. Male, South America, rrosentcd by C. Herring, M. D. 



