BIRDS OF SOUTHWESTERN MEXICO. 25 



hooting at you as you pass, tbey tormeut you, follow you, cross the 

 road in front of you, and accompany these gymnastic performances by 

 clapping their bills, by whistling, by scolding in every tone and on 

 every key. Excessively bold, it does not fear to approach farms and 

 feed upon the meat which is put out to dry in the sun {tasajo), in com- 

 pany with species of Cathartes and Quiscalus. If an animal, a horse or 

 an ox, for example, should fall exhausted from the effects of a wound, 

 the Chavis make no scruple of attacking the wounded spot, either to 

 carry off the pieces of flesh which are loose, or perhaps to obtain the 

 larvae of carnivorous flies which are developed there." 



118. Xanthura g^uat etna tenuis (Bp.). 



" Tehuantepec (Santa Efigenia) 5 December and January. 

 " Iris yellow ; bill black ; feet ashy-blue." 



119. Psjlorhinusi morio (Licht.). 



" Tehuantepec (Guichicovi) ; September, 1869. 



" Iris brown ; bill yellow ; feet black, mixed with yellow." 



120. Corvus corax var. eamiTorus, Bartram. 

 "Tehuantepec (Barrio, Tapana); April, 1869. 



" Iris brown ; bill and feet black." 



Fam. DE.lfDRO€OIiAPTID.i:. 



121. Dendrornis eburneiro§tris (Sw.). 



" Tehuantepec (Guichicovi, Jshuatlau, Tapana, Santa Efigenia). 

 " Iris brown ; bill whitish horn-color ; sides of upper mandible brown 

 ish ; feet dull-olive." 



Fam. TYRAI%I¥IDJE. 



133. Attila citi*eopy§^ius (Bp.). 

 " Tehuantepec (Santa Efigenia) ; May, 1871. 

 " Iris cinnamon ; bill horny ; feet plumbeous." 



133. iSayomis say us (Bp.). 



" Chapulco (Puebla) 5 August, 1868. 

 " Iris brown ; bill and feet black." 



134. iSayornis nig^ricaiis (Sw.). 

 "Tanatepec." 



