246 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Dendrortyx macrounts griscipectus Nelson, Auk, xiv, 1897, 44 (Huitzilac, Pacific 



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



237. 

 D[endrortyx] macrouriis griscipectus Nelson, Auk, xix, 1902, 388 (crit.). — Salvin 



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

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



Hellmayr and Conover, Cat. Birds Amer., i. No. 1, 1942, 225. — Friedmann, 



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

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



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



text (crit. ; distr.). 

 [Dendrortyx] griscipectus 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. 



Adult 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 fcmule.—Wmg 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 38-38.9 (38.3 mm.).^^ 



Range. — Resident in the highland forests of northwestern Jalisco 

 (Mascota and San Sebastian). 



Type locality. — San Sebastian, Jalisco, Mexico. 



Dendrortyx macroura griscipectus (not of Nelson, 1897) Hellmayr and Conover, 

 Cat. Birds Amer., i, No. 1, 1942, 225, part (San Sebastian, northwest of Mascota, 

 Jalisco, Mexico). 



[Dendrortyx macroura] griscipectus 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. 



