5. XTCTIDROMUS. 587 



a. S ad. sk. Islay, Peru, Sept. 13 (if. Sclater Coll 



Whitely). 

 h. 2 ad sk Lima (.Vw/ww). Sdater Coll. 



c, rf. J V ad. sk. Callao, Peru, Sept. (.4. H. Salvin-Goduian Cull. 

 Markhmyi). 



o. NYCTIDROMUS. 



^yctidromus, Gould, Icoites Avium, ii. pi. 2 (1838) N albicollis 



Jiucapnpodus, Less. Echo du Monde Sav. 1843 '.'.'. n' albicollis.' 



This geniis i.s allied to CVHrm^/^/t.*, but the verv long- aud bare 

 tarsus in addition to the different habits, which are somewhat ter- 

 restrial, may be sufHcieut reasons for generic separation. The sexes 

 are different m colour. 



lian^je. From Texas throughout Central and South America to 

 Southern Brazil. 



1. Nyctidromus albicollis. 

 Montvovau de la Guyanp, Buf. Hist. Xat. Ois. vi. p. 580 (1779) 

 lette-chevre roux de la Guyane, Daubent. PL Enl 7.33 ( O ) 

 \Vhite-tbroated Goatsucker, Lath. Gen. Syn. ii. p. 596 (1783) 

 Gruiana Goatsucker, id. ibid. p. .598 (1783) y ^ )■ 



Caprimulgus albicollis, Gm. Syst. Nat. ii. p. 10.30 (1788) ; Lath Ind 

 Orn. n. p. 585 (1790) ; .^teph. Gen. Zool. x. p. 1.55 (ik: llefu 

 Enc 3Ieth.^. om (18-23) ; Hartl. Ind. Azara, pp. 20, 310 (184? • 



«"-o nSRfif "f/ r'l'Ji-'- P-7nl° Inl^^^^ ' ^^°^- ^''- Trinidad, 

 p. / J (1866) ; Sd. Ibis, 1867, p. 107 (Trinidad). 



Capnmulgus guianensis, G-'OT. Syst. Nat. ii. p. 1030 (1788) • Lath 



W 0;-«. n. p. o86 (1790) ; Vieill. Nouv. Diet. x. p. 239 ISl/f- 



i«q' ^^f-- ^"v P- 318 (1830); Cass. Proc. Ac. Phil. 1851 



^.f:y.m8:tS^'i.^r' '^"^ ' ^'''^^ ^oeniy-Warth. 



Ibiyau, Azara, Apimt. p. 310 (1802). 



^Xi?''^ laticaudus, Drup. Diet. Class. Sc. Nat. iv. p. 133 (1838 ; 



Nyctidromus derbyanus, Goidd, Icon. Av. ii. pi. ii ,'1838^ Grm, 

 Ust Iissirostr. b,:it.Mus. p. 11 (18J4) ; id. Gen. B. p. 48'(1849f:' 

 i?;;. CwKs^j. 1. p. 62 (18.50). ^ v^^^^;. 



Nyctidromus afiinis. Gray, List Fissirostr. Brit. Mus. v 11 (1844^ 



rhil. 18-31, p. 183; id. Cat. Cap))-. Mus. Phil, no 3 (1851) 

 Autrostomus guianensis and albicollis, Bp. Consp. \. p 61 (1850) 

 Nyctidromus amencanus* Cass. Proc. Ac. Phil 18ol n 17q. ,V7 

 |W C«7.,- T/v.. p;»7. no. 1 (1851); Scl. P Z. S. Mo, p. 'o85' 

 I8o9, p 36/ (Mexico): Scl. ^- Salv. Ibis,\8h^^, ^.Vli.Cabi- 



p. 290 (1861) ; Salrin, 2bi.s, 1866, p. 203 (Guatemala) 



!Ne(.' Caprimtdyui- amcricaitus, Linn. 



