246 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Dendrortyx macrourus griseipecttis Nelson, Auk, xiv, 1897, 44 (Huitzilac, Pacific 



slope of Morelos, c. Mexico; coll. U. S. Nat. Mus.).— Ogilvie-Grant, Ibis, 1902, 



237. 

 D[endroriyx] macrourus griseipecttis Nelson, Auk, xix, 1902, 388 (crit.). — Salvin 



and GoDMAN, Biol. Centr.-Amer., Aves., iii, 1903, 288, in text (crit.). 

 Dendrortyx macroura griseipectus Peters, Check-list Birds of World, ii, 1934, 42. 



Hellmaye and Conover, Cat. Birds Amer., i. No. 1, 1942, 225.— Feiedmann, 



Journ. Washington Acad. Sci., xxxiii, 1943, 272 in text (crit.). 

 [Dendrortyx macroura] griseipectus Griscom, Auk, liv, 1937, 192 in text, part — 



Friedmann, Journ. Washington Acad. Sci., xxxiii, 1943, 272 in text, 273 in 



text (crit.; distr.). 

 [Dendrortyx] griseipectus Sharpe, Hand-list, i, 1899, 43. 



DENDRORTYX MACROURA DIVERSUS Friedmann 



Jalisco Long-tailed Partridge 



Adult. — Similar to that of D. m. griseipectus but differing from it in 

 having the lower back, rump, and upper tail coverts more olive-brown 

 and with no or little black barring, in having the flanks and thighs more 

 olive-brown, less barred, and in having the under tail coverts more brown- 

 ish, less blackish, with less contrast between the dark areas and the 

 whitish tips. 



Juvenal. — Similar to the adult but with the subocular line and the 

 auriculars hazel instead of black, the lateral portions of the feathers of 

 the mantle olive buffy-brown instead of gray; the hazel shaft stripes on 

 the underparts small and largely concealed, and the black feathers of 

 the chin and upper throat with whitish bases and narrow shaft streaks. 



Adidt male.— Wing 153-161 (156); tail 138-149 (144.5); culmen 

 from the base 20.6-20.8 (20.65) ; tarsus 50-53 (51.1) ; middle toe with- 

 out claw 39.7-^1.1 (40.2 mm.).*^ 



Adult female.— Wing 141-151 (146); tail 119-141 (128.7); culmen 

 from the base 19.5-20.8 (20.3) ; tarsus 47-47.5 (47.2) ; middle toe without 

 claw 3&-38.9 (38.3 mm.).« 



Range. — Resident in the highland forests of northwestern Jalisco 

 (Mascota and San Sebastian). 



Type locality.— SB.n Sebastian, Jalisco, Mexico. 



Dendrortyx tttacroura griseipectus (not of Nelson, 1897) Hellmayr and Conover, 

 Cat. Birds Amer., i. No. 1, 1942, 22S, part (San Sebastian, northwest of Mascota, 

 Jalisco, Mexico). 



[Dendrortyx macroura] griseipectus Griscom, Auk, liv, 1937, 192 in text. 



Dendrortyx macroura diversus Friedmann, Journ. Washington Acad. Sci., xxxiii, 

 1943, 273 (San Sebastian, Jalisco, Mexico; crit.; descr. ; meas.). 



' Four specimens, including the type. 

 ' Three specimens. 



