BIRDS OF NORTH AND MIDDLE AMERICA. 



385 



65.5-71.6(69); tail, 55.5-63.5 (59.9); culmen, 9-10 (9.4); tarsus, 18-19.6 

 (18.7); middle toe, 11.5-13 (11.9).« 



Toiing. — Essentially like adults, but black of crown and crest much 

 duller (the featheVs often narrowly tipped with grayish), less sharply 

 defined laterally and posteriorly against the gray, and anteriorly 

 invading the forehead almost (sometimes quite) to base of culmen; 

 throat and chest pale gray; color of sides and flanks much paler (cin- 

 namon-buff instead of rufous-cinnamon); back sometimes suffused 

 with sooty or blackish. 



Rio Grande Valley, p^nd Mexican States of Coahuila, Nuevo Leon, 

 'J'amaulipas, San Luis Potosi, and Vera Cruz (highlands). 



Parun airkristatus Cassin, Proc. Ac. Nat. Sci. Phila., v, 1850, 103,, pi. 2 (Rio 

 Grande, Texas; coll. Acad. Nat. Sci. Phila.).— Gadow, Cat. Birds Brit. 

 Mus., viii, 1883, 31, part (Mexico, s. to Vera Cruz).— American Oknithol- 

 OGisTs' Union, Check List, 1886, no. 732, part.— Sennett, Auk, iv, 1887, 28 

 (descr. young).— Cooke, Bird Migr. Miss. Val., 1888, 277, part (Rio Grande 

 Valley).— Bailey (Florence M.), Handb. Birds W. U. S., 1902, 455, part. 



P{arus] atricristatus Ridgway, Man. N. Am. Birds, 1887, 561, part. 



P[arus'] [JBlaeolophv.s']) atricristatus Hellmayr, Tierreich, 18 Lief., Mar., 1903, 

 43, part. 



Lophophanes dtricrwtatus Baird, in Stansbury's Rep. Gt. Salt Lake, 1852, 332 (Rio 

 Grande, Texas); Rep. Pacific R. R. Surv., ix, 1858, 385; Cat. N. Am. Birds, 

 1859, no. 286; Rep. U. S. and Mex. Bound. Surv., ii, pt. ii, 1859, 14 (China, 

 etc., Nuevo Leon, Mexico); Review Am. Birds, 1864, 78, part. — Cassin, 

 Illustr. Birds Cal., Tex., etc., 1853, 13, part. — Butcher, Proc. Ac. Nat. Sci. 

 Phila., 1868, 149 (Laredo, Texas).— Cooper, Orn. Cal., 1870, 43 (Rio Grande 

 Valley).— Heermann, Rep. Pacific R. R. Surv., x, no. 1, 1859, 12 (Fort Clark, 

 Texas; habits). — Sclater, Proc. Zool. Soc. Lond., 1865, 397 (Vera Cruz, 

 Mexico). — Coues, Check List, 1873, no. 29, part. — Baird, Brewer, and 

 Ridgway, Hist. N. Am. Birds, i, 1874, 90, part. — Merrill (J. C), Proc. U. 



"Ten specimens. 



Specimens from separate geographic areas average, respectively, as follows: 



Locality. 



Wing. I Tail. 



Middle 

 toe. 



MALES. 



Nine adult males from Lower Eio Grande (Brownsville) . 



Eight adult males from Nuevo Leon ^... 



Five adult males from Vera Cruz, San Luis Potosi, and 

 southern Tamaulipas , 



FEMALES. 



Four adult females from Lower Rio Grande (Brownsville) 



Five adult females from Nuevo Leon 



One adult female from San Luis Potosi 



70.8 

 72.7 



61.9 

 62.9 



69 ! 69. 7 

 69.8 [ 01.1 

 65.5 I 65.5 



12.7 

 12.1 



12.5 



12 



11.9 



11.6 



Specimens from Mexico average very slightly more olivaceous above than those 

 from the Rio Grande Valley, but the difference is too slight and inconstant to war- 

 rant separation. 



10384— VOL 3—03 25 



