118 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Eamphoccelus dimidiatus (?) Salvin, Proc. Zool. Soc. Lond., 1867, 138, part (David, 

 Chiriqui).— ScLATERand Salvin, Proc. Zool. Soc. Lond., 1879, 501 (Antioquia, 

 Colombia). 



[Eamphoccelus] dimidiatus Sclatee and Salvin, Nom. Av. Neotr., 1873, 21, part. 



Ehampliocoslus dimidiatus Salvin and Godman, Ibis, 1880, 120 (Santa Marta, 

 Colombia); Biol. Centr.-Am., Aves, i, 1883, 283, part.— Sclater, Cat. Birds 

 Brit. Mug., xi, 1886, 172 (San Antonio and Kemedios, prov. Antioquia, etc., 

 Colombia; Zulia, Venezuela, etc.).— Salvin, Cat. Strickland Coll., 1882, 191 

 (Bogota). — Bbrlepsch, Jour, fiir Cm., 1884, 291 (Bucaramanga, Colombia). 



Blhamphocelus} dimidiatus Cabanis, Mus. Hein., i, 1850, 25 (Colombia). 



Ehamphocelus dimidiatus Stone, Proc. Ac. Nat. Sci. Phila., 1899, 307 (Ajnbalema 

 and Ibague, oentr. Colombia). 



Elamphopis} dimidiatus Gray, Gen. Birds, ii, 1844, 863. 



Eamphocelus dimidiatus dimidiatus Kidgway, Proc. Wash. Ac. Sci., iii, Apr. 15, 

 1901, 150, in text. 



RAMPHOCELUS DIMIDIATUS ISTHMICUS Ridgway. 

 FANAUA CRIKSOIT-BACEED TANAGER, 



Similar to M. d. dimidiatits, but tail longer; adult male with colors 

 less bright, the red not so pure, the black abdominal patch more 

 brown; adult female with head and neck decidedly lighter brown and 

 coloration in general decidedly lighter and duller. 



Advlt ma^e.— Length (skins), 156.2-160 (158); wing, 78.7-79.2 

 (78.7); tail, 72.4^75.9 (73.9); exposed cubnen, 13.5-14 (13.7); greatest 

 width of mandibular rami, 4.8-5.3 *(5.1); tarsus, 20.3-22.1 (21.1); 

 middle toe, 14-15.2 (14.5).' 



Adult female.— 'LQugth. (skins), 152.4-170.7 (163.1); wing, 73.7- 

 78.7 (75.9); tail, 68.3-78.7 (72.1); exposed culmen, 13.2-16.2 (14.2); 

 greatest width of mandibular rami, 4.3-4.6 (4.3); tarsus, 20.8-22.1 

 (21.3); middle toe, 13-14.5 (13.5).' 



Isthmus of Panama (Frijole and Lion Hill stations, Panama Rail- 

 road; Panama). 



Eamphocelus dimidiatus (not of Lafresnaye) Lawrence, Ann. Lye. N. Y., vii, 



1861, 331 (Lion Hill, Panama R. R. ). — Sclater and Salvin, Proc. Zool. 



Soc. Lend., 1864, 350 (Lion Hill).— (?) Salvin, Proc. Zool. Soc. Lond., 1870, 



187, part (Castillo, Chitra, Cordillera delChucu, and Calovevora, Veragua). 

 (?) Eamphoccelus dimidiatus Salvin, Proc. Zool. Soc. Lond., 1867, 138 (Santa F^, 



Veragua) . 

 Ehamphocelus dimidiatus Bangs, Proc. New Engl. Zool. Club, ii, 1900, 30 (Loma 



del Leon, Panama R. R. ). 

 [Eamphocwlus'] dimidiatus Sclater and Salvin, Nom. Av. Neotr., 1873, 21, part. 

 Ehamphocodus dimidiatus Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 



283, part (Paraiso Station, Panama, etc., Panama R. R. ). 

 Eamphocelus dimidiatus isthmians Ridgway, Proc. Wash. Acad. Sci., iii, Apr. 15, 



1901, 150 (Frijole Station, Panama R. R.; coll. U. S. Nat. Mus.). 



' Four specimens. '' Seven specimens. 



