373 



O. occidentalis. Perhaps Prof. Baird may be right in uniting all 

 the N. American birds under O. cornuta ; but there is great differ- 

 ence in size between Eastern and Western birds. 



Fam. Parid^. 



24, LOPHOPHANES WOLLWEBERI (Bp.) : P. Z. S. 1857j p. 299. 

 Talea. 



25. SiTTA CAROLINENSIS, LiuU. 



Cinco Senores. Smaller than examples from Vera Cruz : see anteh, 

 p. 363, and P. Z. S. 1857, p. 300. 



2G. POLIOPTILA MEXTCANA, Bp. ? 



Four examples: Oaxaca (March). lam still doubtful about this 

 species, whether it is anything more than P. ccerulea in winter plu- 

 mage. One example, marked male, shows traces of the black front- 

 band. 



Fam. Mniotiltid^. 



27. SiURUs LUDOViciANUS, Bp. ; Baird, Rep. p. 262. 

 Totontepec (Jan.). 



28. Mniotilta varia (Linn.). 

 Juquila and Totontepec. 



29. Parula suPERCiLiosA (Hartl.) : P. Z. S. 1857, p. 299. 

 Talea. 



30. Geothlypis trichas (Linn.) : Baird, Rep. p. 241. 

 Totontepec and Oaxaca. 



31. Geothlypis MACGiLLivRAii (Aud.) : Baird, Rep. p. 244. 



Choapam (Feb. 1859) ; Cinco Senores (Feb.). Males in full 

 plumage, and females. 



32. Helminthophaga RUFiCAPiLLA(Wils.):Baird,Rep. p.256. 

 S adult et juv. Oaxaca (Feb.). 



33. Helminthophaga CELATA(Say) : Baird, Rep. p. 257. 



$ Oaxaca and Cinco Senores. One specimen is curiously clouded 

 with dark colour. The other shows traces of the vertical spot. 



34. Helminthophaga peregrina (Wils.): Baird, Rep. p. 258. 

 In a state of plumage which I believe to be the winter dress of 



this species. 



35. Dendroica virens (Gm.). 

 Talea and Play a Vicente (x\pril). 



