292 BIRDS OF WESTERN AND 



tion. There are no specimens in any of the collections from Western Mexico received hy 

 the Smithsonian, nor do I notice any humming bird referred to by Col. Grayson that can 

 be this species. 



146. Petasophora thalassina (Sw.). 



" « Proc. Bost. Soc. of N. H., xiv., p. 284. 



Tres Marias, Xantus. 



147. Heliomaster leocadice (Bourc). 

 Mazatlan, Grayson. 



148. Cyanomia quadricolor (Vieill.). 

 Mazatlan, Guadalajara, Grayson. 



« Summer visitant ; very rare ; shot in July." 



149. Cyanomia guatemalensis Gould. 



" " Proc. Bost. Soc. of N. H., xiy., p. 284. 



Tres Marias, Xantus. 



150. Pyrrhophcena graysoni Lawr. 



" " Proc. Bost. Soc. of N. H., xiv., p. 283. 



Tres Marias, Grayson. 



" This large and handsome species is abundant and peculiar to the Islands of the Tres Marias." 



151. Pyrrhophoena cinnamomea (Less.). 

 Mazatlan, Grayson. 



"A common species in the entire Pacific slope of Mexico ; it is a constant resident. This resembles the 

 Tres Marias Islands species (P. graysoni), but is much smaller, and is not found upon the Marias. 



" The nest of this species is beautifully formed like a small cup, attached to a very slender branch or twig ; 

 the materials of which it is composed are the down of plants, woven and cemented together with the silken 

 threads of caterpillars' or spiders' webs, and the whole of the outside covered with the most delicate lichens. 

 I procured the nest in August ; it contained three eggs." 



152. Circe latirostris (Sw.). 



" " Proc. Bost. Soc. of N. H., xiv., p. 282. 



Mazatlan, Tres Marias, Grayson. 



"This species is common in the tierra ccdiente to Tehuantepec, and abundant in the Tres Marias Islands." 



153. ChlorostiTbon insularis Lawr. 



" " Proc. Bost. Soc. of N. H., xiv., p. 284. 



Tres Marias, Grayson. 



Fam. CucuLiDiE. 



154. Crotophaga sulcirostris (Sw.). 



Mazatlan, Grayson, Xantus, BischoiFj Tepic, Grayson; Plains of Colima, Xantus. 



" This is a common species in this locality, and throughout western tierra caliente. They associate in small 

 flocks of eight or ten, and are fond of picking the ticks off the cattle. It does not migrate. The npst is 



