168 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Panama). — Dablington, Bull. Mus. Comp. Zool., Ixxi, 1931, 373 (Cienago, 



Magdalena, Colombia; habits). 

 [Credscus'i alMgularis Shaepe, Hand-list, i, 1899, 105. — Beabotjbne and Chubb, 



Birds South America, i, 1912, 25 (w. Colombia; nw. Ecuad6r). 

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

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



Costa Rica; coll. U. S. Nat. Mus.). — ZEua56N, Anal. Mus. Nac. Costa Rica, 



i, 1888, 131 (Las Trojas). 

 Crecisous alfara Shaepe, Cat. Birds Brit. Mus., xxiii, 1894, 141, footnote. 

 ICrecisous] alfari Shaepe, Hand-list, i, 1899, 105. 



Vreoisous cinereiceps (not Porzana oinereiceps Lawrence ?) Salvin and God- 

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



de Nicoya, w. Costa Rica). 

 LateralUis alMgularis Mese, Journ. fiir Om., Ixxxii, 1934, 267 in text. 

 Laterallus alMgularis alMgularis Petees, Check-list Birds of World, ii, 1934, 



190. — Geiscom, Bull. Mus. Oomp. Zool., Ixxviii, 1935, 304 (Panama, from 



Canal Zone eastward, to w. Ecuador) . 

 Llaterallus'i mlelanophaeus} alMgularis Conoveb, Auk, li, 1934, 365, in text. 



LATERALLUS RUBER TAMAULIPENSIS (Nelson) 

 TAMAtTLiPAS Ruddy Rail 



Adult male.'^^ — Similar to that of Laterallus ruber ruber, 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 unlmown. 



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

 southern Tamaulipas. 



Type locality. — Alta Mira, Tamaulipas, Mexico. 



Creoiscus ruber tamaulipensis Nelson, Proc. Biol. Soc. Washington, xxxix, 1926, 



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

 Laterallus ruler tamaulipensis Petees, Check-list Birds of World, ii, 1934, 191. 



LATERALLUS RUBER RUBER (Sclater and SalTin) 



Guatemalan Ruddy 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 probably similar. 

 ' Two specimens, including the type. 



