238 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM, 



Adult /r^r/Ze.— Length (skins), 233-268 (249); wing, 102-115.5 

 (108.2); tail, 119-134 (126.3); exposed culmen, 17.5-20.5 (19.1); 

 tarsus, 31-34.5 (32.9); middle toe, 20.5-22.5 (21.4).« 



Adult female.— Length (skins), 221-252 (237); wing, 92.5-105.5 

 (97.9); tail, 107.5-123.5 (113.6); exposed culmen, 17.5-19.5 (18.4); 

 tarsus, 29-33.5 (31.6); middle toe, 18.5-21 (20.3).'' 



British Honduras (Belize ; Manatee; Lighthouse and Glovers reefs), 

 Yucatan (Progreso; Puerto Morelos; Tunkas; Tekanto; Merida; 

 Izamal; Cozumel Island; Mujeres Island), Campeche (Campeche), 

 and northeastern Tabasco (Montecristo). 



M[imus] gracilis Oabanis, Mus. Hein., i, Jan., 1851, 83, fodtnote ("Honduras?," 

 i. e., British Honduras ?). — Ridgway, Man. N. Am. Birds, 1887, 542. 



Mm us grraciKsScLATKR and Salvin, Ibis, 1859, 7, part (Belize, British Honduras). — 

 ScLATER, Proc. Zool. Soc. Lond., 1859, 343, part (monogr. ; "Honduras,' i. e., 

 British Honduras?). — Moore, Proc. Zool. Soc. Lond., 1859,' 55 (Belize). — 

 Baird, Review Am. Birds, 1864, 54, part (in synonymy). — Lawrence, Ann. 

 Lye. N. Y., ix, 1869, 199 (Merida, Yucatan). — Nehrkorn, Journ. fiir Orn., 

 1881, 66 (Yucatan; descr. eggs). 



[Mimus] gracilis Sharpe, Hand4ist, iv, 1903, 104. 



[Miimis gilTUs]y. gracilis Ridgway, Proc. U. S. Nat. Mus., v, June 12, 1882, 11. 12, 

 part (crit.; excl. synonymy part; Yucatan). 



Mvimcs gilvus gracilis Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 562 (Cozumel 1.) 



[Mimus] gilvus (not Turdus gilvus Vieillot) Sclater and Salvin, Nom. Av. Neotr., 

 1873, 3, part. 



Mimus gilvus Salvin and Godman, Biol. Centr.-Ani., Aves, i, 1879, 36 (Merida, 

 Yucatan; Belize, and Lighthouse and Glovers reefs, British Honduras). — 

 Sharpe, Cat. Birds Brit. Mus., vi, 1881, 351, part (n. Yucatan). — Boucard, 

 Proc. Zool. Soc. Lond., 1883, 439 (Yucatan).— Salvin, Ibis, 1888, 244 (Meco, 

 Hoi box, Mujeres, and Cozumel islands; crit.). 



Mimus gilvus leucoph^^us Ridgway, Proc. U. S. Nat. Mus.. x, sig. 32, Aug. 6, 1888, 

 506 (Cozumel I., Yucatan; coll. U. S. Nat. Mus.). 



[Mimus] leucophsp-us Sharpe, Hand-list, iv, 1903, 104. 



a Twenty-four specimens. 



b Fourteen specimens. 



Specimens from different localities compare in average measurements as follows: 



Locality. 



MALES. 



Tea adult males from Yucatiin 



Seven adult males from Cozumel Island 



Six adult males from Mujeres Island 



One adult male from Tabasco (Montecristo) 



FEMALES. 



One adult female from British Honduras (Manatee) 



Seven adult females from Yucatan 



Three adult females from Cozumel Island 



Three adult females from Mujeres Island 



Tarsus. 



Middle 

 toe. 



21.3 

 21.5 

 21.4 

 21.5 



19.5 

 20.3 

 20.2 

 19.8 



