140 bulletin: museum of comparative zoology. 



a. (alcoholic), March 13, 1904. 



b. Chichen-Itza, 189- E. H. Thompson. 

 A few individuals occasionally seen. 



ICTERIDAE. 

 106. Icterus mesomelas mesomelas (Wagler). 

 Yellow-tailed Oriole. 

 One specimen : Chichen-Itza, 189- E. H. Thompson. 



107- *Icterus auratus Bonaparte. 

 Orange Oriole. 



Maya name, yu-yum. " Swinging bird." 

 One specimen : [J], March 19, 1904. 



108. *Icterus giraudii Cassin. 



Giraud's Oriole. 



Two specimens : 



a, b. Chichen-Itza, 189-, E. H. Thompson. 



Although I found orioles abundant at Chichen, I did not myself secure a 

 specimen of this species. This was probably due to the difficulty of dis- 

 tinguishing the different species in the field, since /. giraudii would appear 



109. Icterus cucullatus igneus Ridgway. 

 Fiery Oriole. 

 Maya name, yu-yum. 

 One specimen : £, Feb. 16, 1904. 



110. *Icterus gularis yucatanensis Berlepsch. 



Yucatan Oriole. 

 Maya name, yu-yum . 

 Three specimens : 



a. $ March 13, 1904. 



b, c. Chichen-Itza, 189- E. H. Thompson. 



111. Icterus prosthemelas (Strickland). 



Lesson's Oriole. 



Maya name, hom'-san-W, meaning " of the palms." 

 Two specimens : 



a - 9 (juv.), March 13, 1904. 



b. Chichen-Itza, 189- E. H. Thompson. 

 This appears to be the first record of this species from Yucatan. 





