212 BULLETIN 50, UNITED STATES NATIONAL MUSEUM, 



(Tepic; Mazatlan; Plains of Colima); Bull. U. S. Nat. Mus., no. 4, 18V6, 12 

 (Sierra Madre; Zapotitlan). — Salvin and Godman, Biol. Centr.-Am., Aves, 

 i, 1879, 28, part.— Sharpe, Cat. Birds Brit. Mus., vi, 1881, 362.— Ferrari- 

 Per::z, Proc. TJ. S. Nat. Mus., ix, 1886, 132 (Chietla, Puebla; Jalapa).— Jouy, 

 Proc. U. S. Nat. Mus., xvi, 1894, 775 (Barranca Ibarra, Jalisco; song). — Chap- 

 man, Bull. Am. Mus. N. H., x, 1898, 20 (Jalapa; song). 



[Melanotis] carulescens Sclater and Salvin, Nom. Av. Neotr., 1873, 3. — Sharpe, 

 Hand-list, iv, 1903, 108. 



Calandria carulescens Cubas, Cuadra Geog. Est. Descr. Hist. Est. Unid. Mex., 

 1884, 173. 



Turdus melanotis Temminck, PL Col., livr. 84, 1830, pi. 498 (Mexico). 



[Melanotis] melanotis Bonaparte, Consp. Av., 1, 1850, 276. 



Turdus erijthwphiJiahnus Ijchtenstein, Preis-Verz. Mex. Yog., 1830, 2 (Jalapa 

 and Temascaltepec); Journ. fur Orn., 1863, 57 (reprint). 



MELANOTIS LONGIROSTRIS (Nelson). 

 TRES MARIAS BLUE MOCKINGBIRD. 



Similar to M. cserulescens, but smaller (except bill and feet) , with 

 relatively much shorter tail and decidedly longer bill; coloration 

 much paler, the sublanceolate feathers of throat and pileum pale gray- 

 ish blue or pearl blue. 



Adult male. —Length (skins) , 237-250 (243); wing, 105-112 (107.7); 

 tail, 105-111 (lOS); exposed culmen, 23-28.5 (26.6); tarsus, 29-31 

 (29.7); middle toe, 20-22 (21.2).« 



Adult ^fmrt/e.— Length (skins), 225-242 (236); wing, 99-104 

 (102.5); tail, 99-102 (100); exposed culmen, 26-27 (26.6); tarsus, 

 25.5-30 (27.9); middle toe, 20-21.5 (20.6).^ 



Tres Marias Islands (Maria Madre), western Mexico. 



Melanotis Ccerulescens (not Orpheus aerulescens Swainson) Grayson, Proc. Bost. 

 Soc. N. H., xiv, 1871, 275 (Tres Marias islands; habits; song). — Lawrence, 

 Mem. Bost. Soc. N. H., ii, 1874, 266, part (Tres Marias). — Salvin and Godman, 

 Biol. Centr.-Am., Aves, i, 1879, 28, part (Tres Marias). — Sharpe, Cat. Birds 

 Brit. Mus., vi, 1881, 362, part (Tres Marias). 



Melanotis ccerulescens longirostris Nelson, Proc. Biol. Soc. Wash., xii, Jan. 27, 

 1898, 10 (Maria Madre I., Tres Marias, n. w. Mexico; coll. U. S. Nat. Mus.); 

 North Am. Fauna, no. 14, 1899, 59 (habits; song; crit.). 



[Melanotis] longirostris Sharpe, Hand-list, iv, 1903, 108. 



MELANOTIS HYPOLEUCUS Hartlaub. 

 WHITE-BREASTED BLUE MOCKINGBIRD. 



AduUmdle. — Above plain dull slate-blue, slightly paler and brighter 

 on pileum; shafts of remiges and rectrices black, their inner webs 

 slate-black; ioral, suborbital, malar and auricular regions uniform 

 black, producing a conspicuous patch on side of head; under parts 

 wliite, changing to dull grayish blue or bluish slate-gray on sides, 

 flanks, and under tail-coverts; bill black, legs and feet blackish brown 



a Eight specimens. h Four specimens. 



