52 BIRDS OF SOUTHWESTERN MEXICO. 



318. Sterna jantillarMMi, Less. 



" Tebuantepec (Sau Mateo); August, 1869. 



" Iris clark-browu ; bill yellow, tip dusky ; feet dull orange-yellow." 



319. ISyclr®€laeMfil®M li§sipes (Linn.). 

 " Tehuautepec (Sau Mateo) ; August, 18C9. 



" Iris dark-browu ; bill black ; feet dark.brown." 



330. ISliyBBcli®p§ iSBgra, Linn. 



" Tehuantepec (San Mateo) ; August, 1869. 



" Iris brown ; basal half of bill coral-red, terminal half black ; feet 

 coral-red." 



321. l§yltoe®eycla,B§ domlBiicws (Linn.). 

 " Tehuantepec ( Juchitan) ; September, 1868. 

 '' Iris orange; bill black, tip whitish ; feet black, tinged with grayish." 



