216 



PKOCi:E'.-)lNLiS OF THE ACADEMY OF 



[1890. 



externar tiiil featlier from each of the specimens. 'So. 25,397 in 

 addition to the spot of white on the inner web of the third tail 

 feather has a small spot on the outer web also, while No. 25,399 has 

 no spot at all on the outer web and only a small one at the extremity 

 of the inner web. 



Z6397 



Z533^ 



19. Guiraca caerulea eurhyncha Coues. Western Blue Grosbeak. 

 Several flocks observed in the town. 



20. Tachycineta albilinea Lawr. ? White-ruinped Swallow. 



A species of swallow was very common in the deep crevices or 

 ravines near the town. It seemed to belong to this species though 

 as no specimens were obtained the ideutiflcation must remain in 

 doubt. 



21. Lanius ludovicianus excubitorides (Sw.). "White-rumped Shrike, 

 Rather common about clumps of bushes on the sandy country 



between the town and the mountain. 



22. Helminthopliila celata (.Say). Orange-crowned Warbler. 



One shot on the lower edge of the pine forest, April 4th. 



23. Dendroica auduboni (Towns.). Audubon's Warbler. 



Common in the pme forest of Orizaba at an elevation of 10,000- 

 12,000 ft.; also on Popocatepetl and Ixtaccihuatl at about the same 

 altitude. 



24. Harporhyncbus curvirostris (Sw.). Curve-billed Thrasher. 



Common throughout the open sandy country ; especially about 

 the Indian huts and along the roadside. 



