IlS LLOYDS NATURAL HISTORY. 



Range. — Tamaulipas, North-eastern Mexico, and the lower 

 Rio Grande Valley, Texas. 



^' The general habits of the Chestnut-bellied Scaled Par- 

 tridge, as well as its food, are very similar to those of the pre- 

 ceding sub-species. The mating- and nesting-season, however, 

 commences somewhat earlier." [Bendire.) 



Nest and Eggs. — Similar to those of C. squamafa. 



TTTE TLUMED PARTRIDGES. GENUS OREORTYX. 



Oreortyx, Baird, B. N. Amer. p. 642 (i860). 

 Type, O, piciiis (Dougl ). 



Sexes almost similar in plumage. A crest of tivo very long 

 feathers. 



First primary flight-feather intennediate in Icfigth between 

 the seventh and eighth ; third or fourth slightly the longest. 



Tail composed of iivelve feathers, and about three-fifths of 

 the length of the wing. 



Tarsus shorter than the middle toe and claw. 



Only one species, rather larger than the Common Quail, is 

 known. 



L THE PLUMED PARTRIDGE OR MOUNTAIN QUAIL. 

 OREORTYX PICTUS. 



Orfyx fictJ, Douglas, Trans. Linn. Soc. xvi. p. 143 (1S23); 



Jard. and Selb. 111. Orn. ii. pi. 107. 

 Ortyxplumifera, Gould, P. Z. S. 1837, p. 42 ; Aud. B. Amer. 



V. p. 69, pi. 291 (1842). 

 Oreortyx pictus, Baird, B. N. Amer. p. 642 (i860); Bendire, 



N. Amer. B. p. 13 (1892); Ogilvie-Grant, Cat. B. Brit. 



Mus. xxii. p. 397 (1893). 

 Oreortyx pictus phaniferus^ Bendire, N. Am. B. p. 14, pi. i. figs. 



2, 3 [eggs] (1892). 

 Adult Male. — Creastoftwo ve^y long black feathers ; head, 7iecki 



