io8 Field Museum of Natural History — Zoology, Vol. XIII. 



Urospatha mar tit martii Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 468, 

 in key; Chapman, Bull. Am. Mus. N. H., XXXVI, 1917, p. 267 (Florencia, 

 Colombia). 



Range: Northern Brazil (Upper Amazon Valley); eastern Colom- 

 bia. 



2: "Brazil." 



*Urospatha martii semirufa {Sclater). Greater Rufous Motmot. 



Momotus setnirufus Sclater, Rev. et Mag. de Zool., V, 1853, p. 489 (Santa 



Marta, Colombia). 

 Urospatha martii Sharpe, Cat. Bds. Brit. Mus., XVII, 1892, p. 314, part. 

 Urospatha martii semirufa Ridgway, BuU. U. S. Nat. Mus., No. 50, VI, 



1914, p. 468; Chapman, Bull. Am. Mus. N. H., XXXVI, 1917, p. 267 



(Crit.). 



Range: Eastern Nicaragua to northern Ecuador. 

 2: Panama (Chiriqui) i; w. Ecuador (San Jose) i. 



*Urospatha martii olivacea subsp. nov.* Peruvian Rufous Motmot. 

 Range : Moyobamba and Rioja region, Peru. 

 2: Peru (Moyobamba, type; and Rioja). 



Genus ELECTRON Gistel. 



Electron Gistel, Naturgesch des Thier. fur hohere Schulen, 1848, p. VIII (New 

 name to replace " Crypticus," "Bonap. Vogel a Brazil," i.e., Swainson pre- 

 occupied) (Type Momotus platyrhynchus Leadbeater). 



Electron platyrhynchus platyrhynchus {Leadbeater). Broad-bellied 

 Motmot. 



Momotus platyrhynchus Leadbeater, Trans. Linn. Soc, XVI, 1829, pt. i, p. 92 



(" Brazil "=W. Ecuador).b 

 Prionirhynchus platyrhynchus Sharpe, Cat. Bds. Brit. Mus., XVII, 1892, p. 315, 



part. 

 Prionornis platyrhynchus Brabourne and Chubb, Bds. S. A., I, p. 96. 

 Electron platyrhynchus platyrhynchus RmGWAY, Bull. U. S. Nat. Mus., No. 50, 



VI, 1914, p. 471, in key; Chapman, Bull. Am. Mus. N. H., XXXVI, 1917, 



p. 268 (crit.). 



Range: Northern Peru?; western Ecuador and northward to the 

 Atrate Valley, Colombia." 



» Type from Moyobamba, Peru. Adult female. No. 44646, Field Museum of 

 Natural History. Collected by W. H. Osgood and M. P. Anderson, July 23, 1912. 



Similar to U. m. semirufa (Sclater) from Colombia, but differs in having the 

 upper parts (including upper tail coverts), flanks and under tail coverts more yellow- 

 ish olive green. Wing, 152; tail, 254; bill, 37; tarsus, 25 mm. 



•^ Cf. Hartert, Novit. Zool., 1898, p. 497; Hellmayr, Nov. Zool., 1907, p. 404. 



' Cf. Chapman, (I.e.) 



