17. SPERMOPHiLA. 99 



and axillaries white, with an ashy patch near the edge of the wing ; 

 quills below dusky, edged with ashy along the inner web, which°is 

 white towards the base. Total length 4-4 inches, culmen 0-35 

 wing 2-35, tail 1-75, tarsus 0-55. 



Other males, apparently younger birds, procured at the same 

 season of the year, are much browner above and on the margins of 

 the wing-coverts and quills ; the underparts are also suffused with 

 brown, which colour likewise deadens the white on the throat and 

 abdomen. 



Hob. Guiana. 



a. <S ad. ; b, c. £ . Roraima, Nov. 1883 (H. Salvin-Godman Coll. 



ad. ; d. <$ juv. sk. Whiteh/). 



e ,f- 6 ? ad. sk. Roraima, Nov. 1883 (H. W.). Sclater Coll 



'J, h. <3 ad. sk. Roraima, Dec. 1883 (H. W.). Salvin-Godman Coll. 



Subsp. (3. SpermopMla colombiana. 



Spermophila pluinbea (nee Neuwied), Salvin &■ Godman, Ibis, 1880. 

 p. 123. • 



Adult male. Similar to the male of S. plumbea, but a little paler 

 grey, and distinguished by the feathers below the eye, the fore part 

 of the cheeks, and the entire throat being white. Total length 4-5 

 inches, culmen 0-35, wing 2-25, tail 1-65, tarsus 0-55. 



Hob. U.S. of Colombia. 



a, b. J $ ad. sk. Bogota (J. Crowther). Salvin-Godman Coll. 



5. Spermophila superciliaris *. 



Spermophila superciliaris, Pels. Orn. Bras. pp. 223, 330 (1869) : Gray, 

 Hand-l. B. ii. p. 107, no. 7615 (1870) ; Scl. Ibis, 1871, p. 22 • 

 Berlepsch 8r Iheriny, Zeitschr. yes. Orn. ii. p. 122, pi. vii. (1885). ' 



Sporophila euleri, Cab. J. f. O. 1874, p. 84. 



Sporophila superciliaris, Giebel, Thes. Orn. iii. p. 523 (1877). 



Adult male. General colour above olive-green ; lesser win°-- 

 coverts like the back; median and greater coverts dusky brown, 

 edged with olive and tipped with ochreous white, forming a double 

 wing-bar ; bastard-wing, primary-coverts, and quills dusky brown, 

 edged with olive like the back ; upper tail-coverts like the back ; 

 tail-feathers brown, edged with olive ; crown of head a little more 



* Without seemg the type specimen it is difficult to say for certain, but at 

 all events S. frontalis (J. Ven\) must be closely allied to 8. superciliaris if not 

 identical with it. The synonymy is as follows : — 



Spermophila frontalis. 



Callyrhynchus frontalis, J. Verr. N. Arch. Mm. v. Bull. p. 15 nl i fiV 1 



(1869). r ' ' 6 



Gyrhinorhynchus frontalis, Gray, Hand-L B. ii. p. 107, no 7626 (1870) 



h2 



