cole: AVES from YUCATAN. 



123 



31 Otus' choliba^ thompsoni,' subsp. nov. 



Yucatan Screech Owl. 



Maya name, qd'-a-qab' (means " night talker "). 



Type. — No. 40099, ^ ad., Mus. Comp. Zool. Chichen-Itza, Yucatan. March 

 29, 1904. Leon J. Cole. 



Co-type.— '} , Chichen-Itza, 1890, E. H. Thompson (Pablo Perera). 



Suhspecific characters. — Smaller than 0. choliba, with greater amount of 

 yellowish buffy suffusion, especially on head and neck, and with coarser black 

 markings on under parts. 



Description. — Upper parts similar to 0. choliba, but with a less reddish cast, 

 and more of a light yellowish or creamy buffy suffusion ; fuscous markings on 

 shafts of feathers broader, and broken transverse burs coarser and farther apart. 



Fig. B. 



Fig. C. 



Under parts : Throat suffused with creamy buff; feathers of breast and belly, as 

 on back, with broader central markings, and with coarse and less broken bars. 

 Figure B shows a feather from the breast of the type specimen, while Figure 

 C represents one of the broadest-streaked feathers from a similar place from a 

 specimen of 0. choliba taken at Divala, Panama (Coll. E. A. & 0. Bangs, Xo. 

 7743, (J ad., Dec. 11, 1900.) The large markings of these feathers, especially 



1 Cf. Stone, Auk, 1903, 20, p. 272. 



'^ It appears tliat the specific name choliba should supersede hrazilianus (see note 

 by Count von Berlepsch, Bull. Brit. Ornitli. Club, 1901, 12, p. 6). 

 3 Named for Mr. E. H. Thompson, United States Consul to Yucatan. 



