1S92.] CiriCRKiE, List of Birds of S<ni Jose. Costa Rica. 25 T 



82. Myiodynastes audax. — Rare resident. 



83. Megarhynchus pitangua. — Tolerably common. Somewhat grega- 

 rious, or ]ierha|>s it is only the members of single families that appear 

 to remain together for some months after the end of the breeding season. 

 Seilor Alfaro secured a nest at Alajuela, May 18, 1888. Incubation was far 

 advanced. The eggs are white, blotched and speckled with seal brown ; 

 only two were found with the nest; they measure .94 X .72 and .1.05 X 

 .76 inch. The nest is very roughly constructed of strips from banana 

 leaves, a few rootlets, and plant fibres, without any lining. 



84. Empidonax flaviventris. — Somewhat rare at San Jose and only 

 noted during the months of September and October. The earliest arri- 

 val Sept. 3, and the latest record Oct. 27. Tolerably common lower down 

 on both coasts where it is found until as late as May 13. 



85. Empidonax acadicus. — Tolerably common from about September 

 17 until May 11. They are found on both coasts and up to an altitude of 

 about 6000 feet. 



86. Contopus virens. — Tolerably common from about August 20 until 

 April 29. 



87. Contopus richardsoni — Typical examples arrive later and disap- 

 pear earlier than birds of the preceding species. 



88. Contopus borealis. — Never common, but seen occasionally from 

 October 2 until May 7. 



89. Contopus brachytarsus. — A rare bird in Costa Rica. There are 

 only three exaiTiples in the collection of the Museo Nacional ; two were 

 taken at San Jos^, one October 2 and the other August 27. 



90. Myiarchus crinitus. — Very rare transient visitor at San Jose, but 

 fairly common on both coasts during the winter season in the north. 



91. Myiarchus lawrencei nigricapillus.—Cominon resident. 



92. Tyrannus melancholicus satrapa. — Abundant resident. Breeding 

 commences the latter part of June and continues throughout August. 

 Young birds resemble the adults, lacking only the concealed crown patch. 



93. Milvulus tyrannus. — Resident, but much more abundant at some 

 seasons than at others ; — that is, immediately after the breeding season 

 (from the latter part of April until the first of July) they become quite 

 common about the suburbs of the city, and remain so until the middle of 

 December. 



( To be cotitifiued.^ 



