910 Annals of the Carnegie Museum. 



747. Aimophila ruficauda ruficauda (Bonaparte). 



Hcemophila ruficauda Zeledon, Cat. Aves de C. R., 1882, 9. — Salvin, Ibis, 

 1870, 114 (C. R. [J. Carmiol]). — Salvin and Godman, Biol. Centr.-Am., 

 Aves, I, 1886, 396, part (C. R. [Carmiol]). — Underwood, Ibis, 1896, 436 

 (Miravalles, Bebedero, and Bagaces). 



[Hcemophila] ruficauda Sclater and Salvin, Nom. Av. Neotr., 1873, 33, part 

 (C. R.). 



Aimophila ruficauda Zeledon, An. Mus. Nac. de C. R., I, 1887, 112. 



Aimophila ruficauda ruficauda Ridgway, Birds of North and Mid. Am., I, 1901, 

 238, part (Costa Rica, Pacific side); 673 (Miravalles). 



U. S. Nat. Museum: Mojica (Alfaro and Cherrie), Bebedero (Alfaro). 

 Acad. Nat. Sci. Philadelphia: Bagaces (Underwood). 

 Bangs Collection: Bolson, Coralillo, Tenorio, Bebedero (Underwood). 

 Carnegie Museum: Bagaces (Carriker). Two skins. 



"Both of the specimens collected are females in fresh plumage, one of 

 them renewing the tail. They compare favorably with other specimens 

 in coloration, but are considerably larger, their measurements being those 

 of A. r. lawrencii." (W. E. C. Todd.) 



Taken on the "sabanas" around Bagaces, where they were not at all 

 common at that time. This species ranges over the whole of the lower 

 part of the grass-lands of Guanacaste, but not going much above 1,000 

 feet, and being commoner in the lowlands bordering the Tempisque River. 

 It does not get over the mainland proper. 



747. Coturniculus savannarum obscurus (Nelson). 



Colurniculus passerinus Cabanis, Jour, fiir Orn., i860, 412 (C. R. [Frantzius]). 

 — Lawrence, Ann. Lye. N. Y., IX, 1868, 103 ( see Cabanis, J. f. O., i860). — 

 Frantzius, Jour, fiir Orn., 1869, 301 (San Isidro and Guadeloupe). — Zeledon, 

 Cat. Aves de C. R., 1882, 9. — Salvin and Godman, Biol. Centr.-Am., Aves, 

 I, 1886, 384 (see Frantzius, J. f. O., 1869). — Underwood, Ibis, 1896, 436 

 (Miravalles). — Ridgway, Birds of North and Mid. Amer., I, 1901, 210 (Costa 

 Rica in winter). 



Ammodramus savannarum obscurus Nelson, Auk, XIV, Jan., 1897, 61 (Mina- 

 titlan, S. E. Vera Cruz, Mexico, U. S. Nat. Mus. - ). 



Bangs Collection: Tenorio (Underwood). Seven skins. 



C. H. Lankester Collection: Miravalles. 



Carnegie Museum: Miravalles, May 25 to June 23, 1906 (Carriker). 



Ten skins. 



"Upon comparison of these specimens with the type series of C. s. ob- 

 scurus, they prove referable to that form rather than to C. s. cracens Bangs, 

 from British Honduras, being merely a little larger. Judging from Messrs. 



