168 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Panama).— Darlington, Bull. Mus. Comp. Zool., Isxi, 1931, 373 (Cienago, 



Magdaleua, Colombia; habits). 

 [Creciscusi alhigularis Sharpe, Hand-list, i, 1899, 105.— Brabourne and Chubb, 



Birds South America, i, 1912, 25 (w. Colombia; nw. Ecuador). 

 Limnocrex alMgularis Eidgway, Smiths. Misc. Coll., Ixxii, No. 4, 1920, 4. 

 Porsana alfari Ridgway, Proc. U. S. Nat. Mus., x, 1887, 111 (Las Trojas, sw. 



Costa Rica; coll. U. S. Nat. Mus.). — Zeled6n, Anal. Mus. Nac. Costa Rica, 



i, 1888, 131 (Las Trojas). 

 Creciscus alfara Shakpe, Cat. Birds Brit. Mus., xxiii, 1894, 141, footnote. 

 [Crcciscus] alfari Shabpe. Hand-list, i, 1899, 105. 



Crccm-us cinereiceps (not Porzana cinereiceps Lawrence ?) Salvin and God- 

 man, Biol. Centr-Amer., Aves, iii, 1903, 325, part (Nicoya and Barranca 



de Nicoya, w. Costa Rica). 

 Laterallus alhiguUris Meise, Journ. fiir Orn., Ixxxii, 1934, 267 in text. 

 Latcralkis altigularis albigularis Peters, Check-list Birds of World, ii, 1934, 



190._Griscom, Bull. Mus. Comp. Zk)ol., Ixxviii, 1935, 304 (Panama, from 



Canal Zone eastward, to w. Ecuador). 

 L[atcrallnii] mleloiwphaeus] alligularis Conovek, Auk, li, 1934, 365, in text. 



LATERALLUS RUBER TAMAULIPENSIS (Nelson) 



Tamauxipas Ruddy Raii, 



Adult mdle.^^ — Similar to that of Laterallus ruber ruher^ but with 

 bill distinctly longer and heavier; color appreciably paler and duller, 

 less rufous, the chestnut on the upperparts restricted to the anterior 

 interscapulars, the rest of the back and all the upper wing coverts 

 dark chocolate brown; below less washed with chestnut, the thighs 

 and vent washed with hair brown and chestnut mixed ; under wing 

 coverts with almost no cinnamon edgings. 



Wing 76-78.5; tail 31-31.5; exposed culmen 30; tarsus 32.5-34; 

 middle toe without claw 32-33,5 mm.^^ 



Other plumages unknown. 



Range. — Known only from the marshes near the Tamesi River, 

 southern Tamaulipas. 



Type locality. — Alta Mira, Tamaulipas, Mexico. 



Creciscus ruher tammiUpensis Nelson, Proc. Biol. Soc. Washington, xxxix, 1926, 



105 (Alta Mira, Tamaulipas, Mexico; orig. descr.). 

 Laterallus rul)er tamanlipcnsis Peters, Check-list Birds of Wox'ld, ii, 1934, 191. 



LATERALLUS RUBER RUBER (Sclater and Salvin) 



Guatemalan Rxiddy Rail 



Adult (sexes alike). — Forehead, crown, occiput, nape, lores, malar 

 area, cheeks, and auriculars dusky neutral gray to blackish slate; 

 interscapulars, upper back, lesser and outer middle upper wing 



"* Female unknown, but pi'obably similar. 

 *' Two specimens, including the type. 



