( 332 ) 



Characters. This well-characterized form differs from the preceding one by its 

 longer bill ; more heavily as well as more regularly striped throat ; darker, nearly 

 blackish crown ; considerably darker, olive-brown ground-colour of the back and 

 lower parts ; and deeper, chestnnt-rufous wings and tail. Bill clear red. 



Wing. Tail. Bill. 



Three males from the Orinoco .... 99—102 88—92 70-76 mm. 

 One imm. female from the Orinoco 

 One adult from Remedies .... 

 Five adnlts from Bogota .... 

 One young male from Rio Amajaii 



Obs. Colombian birds agree well with those from Venezuela, e.xcept that the 

 brown of the under j)arts is, as a rule, slightly darker, and the rufous of wings and 

 tail rather deeper. These trifling ditferences, however, should be confirmed by a 

 larger series. Panama specimens I have not seen, but according to Mr. Chapman 

 they are referable to the present race. The single young bird from the Rio Amajaii 

 is much more rufous brown on the lower parts than any other specimen in hand, 

 though in other respecl^s it agrees perfectly with teneznclensis. Its bill is 

 apparently nut full-grown. 



(c) C. trochilii-oslris procurtoides (Lafr.). 



Hab. French Guiana : Cayenne (Lafr.), Ipousin, Rio Appronague (Cherrie). 

 British Guiana : Bartica Grove, Camacnsa, River Carimang (Whitely), Mazaruui 

 River (Qnelch), etc. North Brazil : Borba, Rio Madeira (Natterer, Hoii'manns). 



Chnracters. Above deep " raw umber " (Ridgw. iii. 14), crown and nape with 

 very narrow, buff shaft-lines or small elongated spots ; back either wholly 

 immaculate or with a few hair-like, buff lines on the uppermost portion ; rufous of 

 rump, wings, and tail even deeper than iu venezuelensis. Throat strongly varied 

 with deep brown : remainder of lower parts dark raw umber ; foreneck and breast 

 with narrow, buff shaft-streaks, not or slightly edged laterally with dusky. Bill 

 considerably darker red than in («) and {h). 



One female, Ipousin, Cayenne 



Four adults, British Guiana .... 



One adult male, Borba 



Two adult females, Borba .... 

 One young male, Borba .... 



Obs. This strongly characterized race cannot be confused with any other. 

 Its deep brown coloration, with the pale markings much restricted, and the dark 

 red bill distinguish it at a glance. Judging from the variation shown by the series 

 from British Guiana, 1 should say that A', dorsoimmaculatus Chapm.* is not 

 separable from C. t. prorurvoides. 



(d) ('. troc/ii/iro.stris tboracicus (Scl.). 

 Xiphorhywhuf thornrinis Sclater, Pror. Zi.nJ. S<r: Lo.xL 1860. p. 277 (1R60.— Babahoyo, S.W. 

 Ecuador). 



Hab. Western Ecuador: Babahoyo, Esmeralda (Fraser), Chimbo (Siemiradzki), 

 Yaguachi (Stolzmann), S. Javier, Paramba, Pambilar (Miketta k. Flemming). 

 N.W. Peru : Lechugal (Jelski). 



' JiuU. .\mer. Mux. X. Y. ii. p. I.i9 (lh«ii. -Cayenne !). 



