STEGANURA. * 



141 



buffy-white crosses the lower part of back. Flanks goldon-grcon. A few green 

 feathers on the centre of the breast edged with white. Middle of abdomen golden- 

 brown ; lower part and under tail coverts buff. Tail purplish-brown, each feather 

 having a central stripe of buff. Shaft of outermost ones elongated beyond the rest 

 and terminating in a purplish-black spatula. Wings purplish-brown. Bill black. 



Total length, 3| in. Wing, If in. Tail, 2| in. Culmen, g in 



Female. Head greenish-brown. Upper surface and flanks bronzy-green. A broad 

 buff band across the lower part of back. Centre of throat black, bordered on either 

 side with white. Centre of abdomen blackish-brown. Upper tail coverts black. 

 Tail dark gray, largely tipped with purplish-black, the black on the outermost 

 feathers edged with white. Bill black. At the base of bill is a small spot of buff. 



Total length, 2| in. 



Wing, 1}1 in. 



Tail 1 in. Culmen, g in. 



Genus LXXIII.— STEGANUEA. 



Type. 



T. aildce, Bourc. 



O. underwoodi, Less. 



O. undenuoodi. Less. 



O. tmderwoodi, Less. 



S. cissiura, Gould. 



Oct eat us, Gould, P. Z. S. (184(;), p. 86 (partim). 

 Steganurus, Reich., Syst. Av. Xat., pi. 40 (1849). 

 Steganura, Reich., Aufz. der Colib., p. 8 (1853). 

 Spathura, GonLD. Intr. Troch., octavo ed., p. 99. 

 Uralia, Muls. and Verr., Class. 'I'roch. (1865), p. 81. 



Ch. Bill straight, about as long Fig. 81. 



as the head ; wings moderately 

 long. Tail deeply forked, the 

 outer rectrix on each side, with 

 one exception, having the shaft 

 bare of webs for a portion of its 

 length and terminating in a spa- 

 tula. Tarsi hidden in a tuft of downy feathers ; hind toe and nail shorter than 

 the middle toe and nail. Sexes unlike in plumage. 



Range. Venezuela, Colimibia, Ecuador, Peru, and Bolivia. 



Six species are known belonging to tliis genus. They are strongly characterized 

 birds, with luminous throats and breasts, tarsi completely hidden in downy puffs, 

 and elongated external rectrices, bare of webs near the tips and terminating in a 

 spatula. They are of various sizes, but generally rather small. 



Stfganura undeneoodi. S ■ New Granada, Whitclir. 



Key to the species. 



A. Tarsal tnfts white. 



a. Chin bronzy-green in %, breast and abdomon in $ white spangled 



with green. 



b. Chin black in %, breast and abdomen in 9 pure white. 



B. Tarsal tufts rufous. 



a. Outer rectrices very long, spatules oval. 



b. Outer rectrices moderately long, spatules wide as long. 



c. Outer rectrices shorter than those of b; spatules wider than long. 



d. Outer rectrices webbed throughout their entire length. Spatules 



small. 



1. .S'. tmderwoodi. 



2. .S'. mclananlhera. 



3. S. solslitialia. 



4. S. peruana. 



5. S. addle. 



G. S. cissiura. 



