360 Field Museum of Natural History — ZoGlogy, Vol. XIII. 



Genus SEMNORNIS Richmond 



Tetragonops (not of Gertsacker, March, 1855) Jardine, Edinburgh Phil. Journ., 

 N. S., II, October, 1855, p. 404 (Type T. rhamphastinus Jardine). 



Pan (not of Oken, 1816) Richmond, Auk, 1899, p. 77 (to replace Tetragonops 

 Jardine, preoccupied). 



Semnornis Richmond, Auk, 1900, p. 179 (to replace Pan Richmond, 1899, pre- 

 occupied). 



Semnornis rhamphastinus {Jardine). Toucan Barbet. 



Tetragonops rhamphastinus Jardine, Edinburgh Phil. Journ., N. S., II, 1855, 

 p. 404 (Quito, Ecuador); Marshall, Mon. Capitonidae, 1 871, p. I, pi. i; 

 Taczanowski and Berlepsch, Proc. Zool. Soc. Lond., 1885, p. 116; Shel- 

 ley, Cat. Bds. Brit. Mus., XTX, 1891, p. 120. 



Semnornis rhamphastinus Hellmayr, Proc. Zool. Soc. Lond., 191 1, p. 1200 

 (La Tigre, Colombia); Chapman, Bull. Am. Mus. Nat. Hist., XXXVI, 1917, 

 p. 327, crit. (San Antonio, Colombia). 



Range: Ecuador and Colombia. 



Genus DICRORHYNCHUS Carriker. 



Dicrorhynchus Carriker, Ann. Carnegie Mus., VI, 1910, p. 571 (Type Tetra- 

 gonops frantzii Sclater). 



*Dicrorhynchus frantzii (Sclater). Costa Rican Barbet. 



Tetragonops frantzii Sclater, Ibis, 1864, p. 371, pi. 10 (Costa Rica); Marshall, 



Mon. Capitonidae, 1871, p. 3, pi. 2; Shelley, Cat. Bds. Brit. Mus., XIX; 



1891, p. 121; Salvin and Godman, Biol. Centr.-Am., Aves, II, 1896, p. 550., 



Bangs, Proc. N. E. Zool. Club, III, 1902, p. 32 (Chiriqui; Boquete, etc., 



Panama). 

 Semnornis frantzii Ferry, Field Mus. Nat. Hist., Orn. Ser., i, 1910, p. 265 



(Costa Rica). 

 Dicrorhynchus frantzii Carriker, Ann. Carnegie Mus., VI, 1910, p. 571 (Irazii; 



La Hondura, etc., Costa Rica); Ridgway, Bull. U. S. Nat. Mus., No. 50, 



VI, 1914, p. 325. 



Range: Highlands of Costa Rica and western Panama. 

 10: Costa Rica (Coliblanco 6, El Roble i, Cartego i, interior west 

 of Limon 2). 



Suborder RAMPHASTIDES 

 Family RAMPHASTIDiE. Toucans. 



Genus RAMPHASTOS Linnseus. 



Ramphastos Linnaeus, Syst. Nat., ed. 10, I, 1758, p. 103; Id., ed. 12, I, 1766, 



p. 150 (Type R. tucanus Linnseus). 

 Rhamphastos (emendation) Daudin, Traits E\6m. Compl. Orn., 1800, pp. 376,422. 



