Vol. XVIII. pp. 111-112 March 31, 1905 



PROCEEDINGS 



OK IHK 



BIOLOGICAL SOCIETY OF WASHINGTON 



^: 



DESCRIPTION OF A NEW SPECIES OF M'HIP-POOR- 



WILL FROM MEXICO. 



BY E. W. NELSON. 



For the privilege of describing this strongly marked species I 

 am indebted to the courtesy of Dr. J. A. Allen and Mr. Frank 

 M. Chapman, of the American Museum nf Natural Plistory. 



Antrostomus notabilis pp. iiov. 



Type from Victoria, Tamaulipas, Mexico, No. 81,519, c? adult. Am. 

 Mus. Nat. Hist. (Sennett Collection), April 13, 1888. 



General Chnnicters. — Resembles J. )ii(tcrom!/i<l(ix in color of upperparts, 

 but size decidedly larger and with white marking (huffy in females) on 

 outer tail feather reduced to a narrow diagonal band across tip as in Nijcta- 

 greus yucatnnicus and unlike any other species of Antrostomus in Mexico. 



Description of mule (type). — Crown and nape finely mottled grayish hrown, 

 with a distinct buffy shade anteriorly; feathers on middle of crown and 

 nape heavily streaked with broad black centers ; sides of crown and nape 

 more narrowly streaked with same, the black streaks narrowly edged with 

 clearer gray than rest of crown ; back and sides of neck with scattered in- 

 dications of a huffy collar ; middle of back and rump like middle of crown 

 but more narrowly streaked and general color a little duller; scapulars 

 basally clear gray, slightly streaked with buffy, with large irregular termi- 

 nal or subterminal black spots ; tertials mottled with gray and black, with 

 irregular black shaft streaks ; the light part of scapulars and tertials form- 

 ing a pale area on each side of back; top of closed tail dull hlack irregularly 

 mottled with dull buffy and gray forming poorly defined irregular bands 

 on terminal half of feathers ; primaries and secondaries dusky, with deep 

 buffy spots along outer wehs (most strongly marked on primaries) ; under- 

 side of primaries dusky, with a series of small indistinct buffy spots along 

 middle of inner webs on distal half of first primary ; other primaries with 

 IC— Proc. Biol. Soc. Wash., Vol.. XVIII, 1905. ilU) 



