BIRDS OF NORTH AiSTD MIDDLE AMERICA. 



119 



PLANESTICUS GRAYI TAMAULIPENSIS (Nelson). 



TAMAULIPAS THRUSH. 



Similar to P. g. grayi, but paler and duller in color, the u])per 

 parts lighter and more grayish (less ochraceous) olive; the under 

 parts pale wood brown or pale dull clay color; wing and tail average- 

 ing shorter. 



Adult male.—'Length (skins), 224-239 (233); wing, 116-128 (122.2); 

 tail, 92-107.5 (100); exposed culmen, 20-23 (21.3); tarsus, 30.5-34 

 (32.2); middle toe, 20-23 (20.9).° 



Adult female.-^jen^th (skins), 224-244 (235); wing, 116.5-128 

 (123^; tail, 92-103 (98.9); exposed culmen, 19.5-22 (21.4); tarsus, 

 31.5-34 (32.6); middle toe, 20-22 (21. 2).^ 



Arid coast-plain of southeastern Mexico, in southern Tamaulipas 

 (Victoria;. Alt a Mira; Fori on), eastern San Luis Potosi (Jilitla; 

 Tancanhuitz), eastern Vera Cruz, northern Tabasco (Frontera) 

 and Yucatan (Chichen-Itza; Merida; Temax; Peto; Meco Island; 

 Mugeres Island; Cozumel Island). 



Tiirdus grayi (not of Bonaparte) Lawrence, Ann. Lye. N, Y., ix, 1869, 199 

 (Merida, Yucatan). — Boucard, Proc. Zool. Soc. Lond., 1883, 439 (Yucatan; 

 habits). — Salvin, Ibis, 1888, 243 (Meco, Mugeres, and Cozumel islands, 

 Yucatan; crit.). 



Merula grayi Richmond, Proc. U. S. Nat. Mus., xviii, 1896, 632 (Alta Mira, 

 Tamaulipas). 



Merula tainaulipensis^'EijSON, Auk, xiv, Jan., 1897, 75 (Ciudad Victoria, Tamauli- 

 pas, Mexico; coll. U. S. Nat. Mus.). 



[Merula] tamaulipensis Sharpe, Hand -list, iv, 1903, 122. 



T[urdus\ grayi tamaulipensis Helmayr, Journ. fiir Orn., Jan., 1902, 50, 52 (crit.; 

 Tamaulipas; Temax, Peto, and Mugeres and Meco islands, Yucatan). 



a Seventeen specimens. 

 b Nine specimens. 



Specimens from Tamaulipas compare in average measurements with those from 

 Yucatan as follows: 



Locality. 



Eight adult males from Tamaulipas (fi) and San Luis 



Potosi (2) : 



Eight adult males from Yucatan 



One adult male from coast of Tabasco (Frontera) 



Five adult females from Tamaulipas. 

 Four adult females from Yucatan 



Ex- 

 posed 

 culmen. 



21.4 

 21.3 

 20 



21.7 

 20.6 



a2.9 

 32.2 

 30.5 



33.1 

 31.9 



Middle 

 toe. 



21.4 

 20.9 

 20. 5 



21. 5 

 20.7 



So far as I am able to see the coloration of Yucatan and Tamaulipas specimens is 

 practically identical. 



