170 N~ew Species of Birds from Mexico. 



Bubo virginianus mayensis new subspecies. Yucatan Horned Owl. 



Type No. 167,727, 9 ad., U. S. National Museum, Biological Survey 

 collection, from Chichen Itza, Yucatan, Mexico. Collected February 

 1, 1901, by E. "\V. Nelson and E. A. Goldman. 



.Distribution. Peninsula of Yucatan. 



Subspecific characters. Most like B. virginianus pallescens but much 

 smaller with less clear gray and more dingy fulvous suffusion on entire 

 dorsal surface including tail; sides of body, flanks and under tail coverts 

 rather regularly barred with narrow dark bands, not crowded near tips 

 of feathers as usual in pallescens; sides of flanks with concealed suffu 

 sion of dull buffy; middle of breast and belly dull white; lower half of 

 tarsus and feet dull white without markings. 



Dimensions of type. Wing 335; tail 178; culmen 44; tarsus 66. 



Remarks. This is the smallest of the subspecies of Bubo virginianus 

 and is a pale race probably limited to the arid part of the peninsula of 

 Yucatan. 



Crax chapman! new species. Chapman's Curassow. 



Type No. 167,370, 9 ad., U. S. National Museum, Biological Survey 

 collection, from Puerto Morelos, Eastern Yucatan, Mexico. Collected 

 March 28, 1901, by E. W. Nelson and E. A. Goldman. 



Distribution. Heavy forests of southern Campeche and southern and 

 eastern Yucatan, Mexico; probably ranging thence into adjacent parts 

 of Belize and Guatemala. 



Description of type. Head and throat dull white thickly and finely 

 speckled with black on lores and around eyes; sides of crown more 

 coarsely and sparingly black spotted; crest white with narrow black 

 tips finely bordered with white; bases of crest feathers on front of crown 

 with small black spots or incomplete bars; posteriorly crest feathers 

 only marked at base with fine dark shafts or shaft streaks; neck all 

 around from head to body strongly barred black and white black bars 

 broadest, and white bars on underside of neck more or less edged with 

 buffy; shoulders, upper surface of wings and tail broadly and regularly 

 barred with broad bands of blackish brown and slightly narrower bands 

 of golden buffy; dark bars approaching black on shoulders and on outer 

 half of tail; buffy bars with a decided grayish cast on outer half of tail; 

 primaries mainly buffy, paler than same color on secondaries and more 

 narrowly and irregularly barred and spotted with blackish and reddish 

 brown; middle of back and rump narrowly barred with same colors as 

 secondaries and tail; entire underparts including breast, abdomen, sides 

 of body, flanks, thighs and undertail coverts uniform ochraceous buffy 

 a few narrow irregularly placed transverse blackish brown marks oc 

 curring on buffy feathers of fore breast; under side of tail black with 

 narrow golden buffy transverse bars. 



Dimensions of type, Wing 380; tail 368; culmen 51; tarsus 116, 



