224 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ff. Larger, with relatively larger bill; adult male averaging wing 110.5, 

 tail 117, exposed culmen 23; adult female, wing 103, tail 105, exposed 

 culmen22.7. (Island of Curarao, Caribbean Sea.) 



Mimus gilvus rostratus (p. 236) 

 ee. General color of wings Ijlacker, with narrower grayish edgings. 

 /. Smaller; adult male averaging wing 113.7, tail 116, exisosed culmen 19; 

 adult female, wing 110.6, tail 113.5, exposed culmen 18.9. (Eastern 

 and northern Colombia; Costa Rica?). 



Mimus gilvus columbianus (p. 236) 

 //. Larger; adult male, wing 128, tail 140, exposed culmen 22. (Valley of 

 Toliraa, southwestern Colombia.) 



Minus gilvus tolimensis (extralimital) o. 

 (hi. Base of longer primaries, underneath primary coverts, distinctly white. 

 ee. Upper parts ash gray; general color of wings blacker, with narrower and 

 whiter edgings; posterior under parts less strongly tinged with l)uff. 

 d. Clearer gray above; wings deeper black with narrower gray or whitish edg- 

 ings; lateral rectrices more extensively white; tail longer (at least rela- 

 tively). (Lowlands of British Honduras, Yucatan, Campeche, and north- 

 eastern Tabasco) Mimus gilvus gracilis (p. 237) 



dd. Duller or slightly browner gray above; wings slightly duller black, with 

 broader gray or whitish edgings; lateral rectrices with less white; tail 

 shorter. (Highlands of Guatemala and Chiapas and northward to south- 

 eastern Vera Cruz ; highlands of Honduras?) 



Mimus gilvus guatemalensis (p. 239) 

 e. Upper parts distinctly ])rownish gray; general color of wings duller blackish 

 slaty with broader gray edgings; posterior under parts more strongly 

 buffy . (State of Oaxaca, southwestern Mexico. ) 



Mimus gilvus lawrencei (p. 240) 

 cc. Larger, especially the l)ill (exposed culmen 26-28). (Island of St. Andrews, 



Caribbean Sea) Mimus magnirostris {p. 241) 



aa. Pileum and bade brownish gray or grayish brown streaked with dusky; sides and 



flanks heavily streaked with dusky; lateral rectrices merely tipped with white, 



the terminal white spot occupying much less than one-fourth the inner web. 



( Mimus gundlachii.) 



h. Color of upper parts grayer (brownish drab-gray). (Watlings Island and Rum 



Cay, perhaps also other more southern islands of Bahama group; north coast of 



Cuba. ) Mimus gundlachii gundlachii (p. 241) 



bb. Color of upper parts browner (broccoli brown or between broccoli and hair 

 l)rown). 

 c. Smaller (adult male averaging Aving 116.8, tail 125.5, exposed culmen 21.3, 

 tarsus 38.4; adult female, wing 113.6, tail 120.7, exposed culmen 20.8, tarsus 

 37.2); back, etc., less distinctly streaked, chest distinctly shaded with gray, 

 and white tips to rectrices averaging smaller. (Bahamas, except more south- 

 ern islands.) Mimus gundlachii bahamensis (p. 243) 



cc. Larger (adult male averaging wing 125.7, tail 133.4, exposed culmen 22.9 

 tarsus 39.5; adult female, wing 120, tail 125.8, exposed culmen 22.2, tarsus 

 37.5); back, etc., more distinctly streaked, chest very faintly (if at all) tinged 

 with gray, and white tips to rectrices averaging larger. (Island of Jamaica.) 



Mimus gundlachii hillii (p. 244) 



o Mimus gilvus (not Turdus gilvus YieiWot) Stone, Proc. Ac. Nat. Sci. Phila., 1899, 

 312 (Plain of Tolima, Colombia). — Mimus gilvus tolimensis Ri-dgway, Smithsonian 

 Misc. Coll. (quarterly issue), xlvii, Aug. 6, 1904, 113 (Plain of Tolima, Coloml)ia: coll. 

 Acad. Nat. Sci. Phila.). 



