BIRDS OF NORTH AND MIDDLE AMERICA. 577 



[Chordeiles popetue] var. minor Baird, Brewer, and Ridgway, Hist. N. Am. 



Birds, ii, 1874, 400. 

 Chordeiles popetue minor Goode, Bull. U. S. Nat. Muh., no. 20 1883 31.3. 

 Chordeiles virginianus minor Stejneger, Auk, ii, April, 1885, 182, part. Bangs 



and Zappey, Am. Nat., xxxix, 1905, 203 (Isle of Pines, resident; crit.). 

 C[hordeiles] virginianus minor Ridgway, Man. N. Am. Birds, 1887, 301, part. 

 Ch[ordeiles] virginianus minor Hartert, Tierreich, Podarg., Caprim., Macropt., 



1897, 19. 

 Caprimulgus minor Koenig-Warthausen, Joum. f iir Om., 1868, 375 (descr. eggs). 

 Chordeiles gundlachii I,awrence, Ann. Lye. N. Y., vi, 1856, 165 (Cardenae, Cuba; 



coll. G. N. Lawrence). 

 Chordeiles gundlacMBREWBR , Proc. Bost. Sor. N. IT., vii, I860, 306 (Cuba). 



CHORDEILES ACUTIPENNIS MICROMERIS Oberholser. 



YirCATAN NIGHTHAWK. 



Similar to C. a. acutipennis ° but averaging decidedly larger, with 

 markings of upper parts larger and more strongly contrasted, pileimi 

 with more of unbroken dusky, dark bars on under parts relatively 

 narrower, and white subterminal band of tail (in adult male) broader. 



Adult male. — Prevaihng color of pileum dark sooty brown or sooty 

 black, this to a large extent uniform or unbroken on surface, but on 

 concealed portion of the feathers spotted and barred with dull buff 

 or pale grayish buffy, similar but smaller markings appearing here and 

 there on edges of exposed portion of some of the feathers ; superciHary 

 region finely and irregularly spotted and vermiculated with blackish 

 and pale buffy grayish to grayish white, the occiput similar but with 

 the dusky ' markings rather coarser; back, rump, and upper tail- 

 coverts coarsely vermiculated with dusky and pale buffy grayish, 

 the feathers vriili median streaks, more or less broad, of blackish; 

 scapulars similar but with outer webs mostly, or in large part, buff or 

 cinnamon-buff, forming large, irregular spots; lesser wing-coverts 

 dusky with small s])ots or flecks of buffy; middle coverts (sometimes 

 greater coverts also) with a large terminal spot of buffy on outer webs, 

 forming one or more series of large, roundish spots across ^\^ng; 

 greater coverts (especially j)roximal ones) and proximal secondaries 

 coarsely vermiculated with dusky on a pale buffy-grayish or dull 

 whitish ground, and \vith an irregular mesial, acuminate streak of 

 blackish; alulae, primary coverts, distal secondaries, and primaries 

 dark sooty brown or sooty blackish, the last more grayish terminally, 

 the four outermost primaries crossed, at middle portion, by a broad, 

 sharply defined band of white, involving both webs and (except some- 

 times on outermost primary) shaft also ; proximal primaries and distal 

 secondaries irregularly spotted on outer webs with orange-cinnamon 

 or tawny, the primary coverts and alulae with a greater or less number 

 of small spots of the same, sometimes, however, concealed in the 

 closed wing; middle pair of rectrices light brownish gray, broken, 



a See p. 561. 

 3622°— Bull. 50, pt 6—14 37 



