230 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 93 



principally in the vicinity of Cordoba in Veracruz and around the 

 volcano Orizaba in Puebla. When more material is available to 

 outline the distribution of the race, the type locality should be defi- 

 nitely designated. 



CRYPTURELLUS BOUCARDI BOUCARDI (Sclater) 



Tinamus boucardi P. L. Sclatkr, Proc. Zool. Soc. London, 1859 (Feb. 1860), 

 p. 391 (Teotalcingo, Oaxaca). 



On the Sierra de Tuxtla this tinamou is fairly abundant, being 

 confined to the higher levels above 1,000 feet elevation. The five 

 specimens, taken by Carriker, come from the Cerro de Tuxtla, March 

 28 and 29, April 9, and May 7. They were calling at this season and 

 decoyed to an imitation of their notes, though it was necessary for 

 the hunter to be well concealed. They were heard frequently on 

 San Martin, but none were taken here. 



Family COLYMBIDAE 



COLYMBUS DOMINICUS BRACHYPTERUS Chapman: Mexican Grebe 



Oolymbus dominicus brachypterus Chapman, Bull. Amer. Mus. Nat. Hist., 

 vol. 12, Dec. 23, 18C9, p. 256 (Lomita Ranch, Lower Rio Grande Valley, 

 Tex.). 



In the two or three feet of water of the Laguna del Tular, 25 or 30 

 of these small grebes lived, so that I saw them frequently between 

 March 17 and April 11. On March 29 I found a few in Laguna 

 Larga. The open water available was small in extent, and the grebes 

 ranged back into the swamp under the arching branches of bushes. 

 On March 17 I fired at two under such cover and was much surprised 

 when my boy came wading back with four fine specimens. One of 

 these was preserved as a skeleton. The three skins include an adult 

 male and two females in immature plumage. The birds were known 

 locally as viuda or viudita. 



Carriker in 1940 secured a female on March 21 on a lagoon north 

 of Hueyapa, and shot three more, two males and a female, on Feb- 

 ruary 15 and 19 near Tlacotalpam, where these grebes were fairly 

 common in the many ponds and sloughs of that region. 



After examination of considerable material, I have characterized 

 the various races of this grebe as follows : 



Colymbus dominicus dominicus Linnaeus: 



Colytnbus dominicus Linnaeus, Systema naturae, ed. 12, vol. 1, 1766, p. 223 

 (Hispaniola). 



Under surface with more mixture of fuscous; flanks, sides, and 

 crissum darker; bill slightly larger. 



Eight males, wing 88.5-96.3 (92.0), culmen from base 21.5-24.5 

 (23.4), tarsus 30.0-33.6 (31.8) mm. 



