THAYER AND BANGS: PEARL ISLANDS BIRDS. 157 



COEREBIDAE. 



80. Cyanerpes cyaneus (Linne). 



Thirty-eight specimens, both sexes, San Miguel Island, February and March. 

 There seem to be no differences between specimens from the islands and the 

 coast of Panama opposite. 



81. Coereba cerinoclunis Bangs. 



Coereba cerinoclunis Bangs, Proc. New Eng. ZooL Club, vol. 2, pp. 51-52, 

 Feb. 8, 1901. 



Twenty-nine specimens, adults of both sexes and young in nestling plumage, 

 the latter taken February 28 to March 16, San Miguel and Saboga Islands, 

 February, March, and April. Many of the specimens taken in February and 

 March are moulting, while those killed in April have, as a rule, completed the 

 spring moult and are in fine plumage. 



This is a strongly characterized island species. 



ICTERIDAB. 

 82. Megaquiscalus major macroiirus (Swainson). 



Eighteen specimens, adults of both sexes, San Miguel and Saboga Islands, 

 February, March, and April. 



This series Nelson kindly compared with typical Mexican specimens, and 

 found no differences whatever between the island birds and those from eastern 

 Mexico and Central America generally. 



*83. Icterus spurius (Linne). 

 One adult male, Saboga Island, April 13. 



*84. Icterus galbula (Linne). 

 One male, San Miguel Island, March 2. 



TANAGRIDAE. 

 85. Tanagra cana dilucida, sub. sp. nov. 



Type. — Coll. E. A. and 0. Bangs, No. 14,482, adult cf, San Miguel Island, Bay 

 of Panama, Feb. 25, 1904. 



Thirty-one specimens, adults of both sexes and two young — male and 

 female, March 3 and April 1, San Miguel and Saboga Islands, February, 

 March, and April. 



