82 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



longer ones with a few longitudinal bister marks, and some of the 

 others with irregular bars of the same. 



Light- BREASTED phase: Similar to the dark-breasted phase on the 

 upperparts, but with the broad center of the breast and the whole 

 upper abdomen except its extreme lateral portion whitish washed 

 with pale pinkish cinnamon. 



Juvenal (sexes alike). — Similar to the adults above but the top of 

 head and the centers of the feathers of the upperparts of the body 

 darker — dull fuscous-black, the lower back, rump, and upper tail 

 coverts practically uniformly of this color as the pale edges are lack- 

 ing ; lores and subocular area posterior to the auriculars blacker, less 

 rufescent; sides of neck mottled indistinctly with dusky; lower throat 

 and upper breast washed with light pinkish cinnamon ; lower breast 

 and abdomen whitish laterally suffused, clouded, and mottled with 

 dusky grayish hair brown washed with pale pinkish cimiamon; 

 thighs buffy, whitish indistinctly barred with pale hair brown. 



Natal doivn. — Jet black with a faint greenish sheen on the upper- 

 parts of head and body. 



Adult male.— Wing, 151-159.5 (156.5) ; tail 62-70.5 (66.5) ; ex- 

 posed culmen 62-65.5 (63.5) ; tarsus 56-59 (57.8) ; middle toe without 

 claw 49-53 (51.1mm.).«* 



Adult female.— Wing, 139-144.5 (142.4) ; tail 59-65 (62.9) ; ex- 

 posed culmen 56-60 (68) ; tarsus 47.5-53 (51.3) ; middle tone without 

 claw 44.5-48 (46.6 mm.).^^ 



Range. — Resident in the fresh-water marshes of the Valley of 

 Mexico (Lerma, Laguna del Rosario, Tlaxcala; near City of Mexico). 



Type locality. — Valley of Mexico. 



Ballns longirostris (not of Boddaert) Sclater, Proc. Zool. Soc. London, 1864, 

 179 (near City of Mexico). 



[Ralhisl elegans (not of Audubon) Sclateb and Salvin, Nom. Av. Neotr., 1873, 

 139. 



Rallus elegans, var. tenuirostris "Lawrence" Ridgwat, Amer. Nat., viii, 1874, 

 111 (City of Mexico; coll. G. N. Lawrence). 



[Rallus elegans] C. var. tenuirostris Ridgway, Bull. Nutt. Orn. Club, v, 1880, 

 139, part (diagnosis; City of Mexico). 



Rallus elegans tenuirostris Ridgway, Bull. Nutt. Orn. Club, v. 1880, 139, foot- 

 note. — Baied, Beewee, and Ridgway, Water Birds North Amer., i, 1884, 

 354, under fig. — Ferraki-Perez, Proc. U. S. Nat. Mus., ix, 1886, 177 (Laguna 

 del Rosario, Tlaxcala).— Peters, Check-list Birds of World, il, 1934, 160. 



[Rallus elegans} b. tenuirostris Baibd, Brewer, and Ridgway, Water Birds 

 North Amer., 1, 1884, 353. 



[Rallus elegans] B. tenuirostris Baibd, BrbJwer, and Ridgway, Water Birds 

 North Amer., i, 1884, 354. 



[Rallus elegans] subsp. ^3. Rallus tenuirostris Shabpe, Cat. Birds Brit. Mus., 

 xxiii, 1894, 10 (near City of Mexico). 



" Four specimens. 

 " Six specimens. 



