340 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



from about one-third to one-half its length, the fourteen rectrii 

 becoming narrower distally, the middle ones, at least, obtusi 

 pointed. Tarsus equal to or slightly longer than middle toe withe 

 claw (the proportion being 1 to 1 to 88 to 1), the upper portion ( 

 eluding tibio-tarsal joint) entirely bare, the acrotarsium covered 

 a single row of broad transverse scutella, the planta tarsi with sm 

 hexagonal scales ; lateral toes decidedly shorter than middle toe, t 

 claw of the inner reaching about to base of middle claw, the outer t 

 a little shorter; hallux (without claw) about as long as basal phala 

 and half of second phalanx of middle toe. 



Plumage and coloration. — Plumage of head, neck, and under pa: 

 soft and blended; bare orbital space moderate, broadest beneath ey 

 Coloration plain, the proximal secondaries (sometimes adjace 

 wing-coverts and scapulars also) spotted with black; rectrices (exce 

 middle pair) with a black band across post-median portion, t 

 apical portion paler gray than basal portion, sometimes white; 

 small black subauricular spot; adult males with head, neck, and an 

 rior under parts more or less vinaceous and sides of neck glossed wi 

 metallic purple. 



Range. — Temperate and tropical North America, including Wi 

 Indies. (Three, possibly four, species.) 



KEY TO THE SPECIES AND SUBSPECIES OF ZENAIDTJKA. 



a. Secondaries not tipped with white. 

 5. Tarsus less than 24 mm.; under parts not darker nor more reddish than vinaceo 

 fawn color, fading into pinkish buff to buffy white on under tail-covei 

 apical portion of lateral rectrices white. (Zenaidura macroura.) 

 c. Smaller (wing averaging less than 141 in males, less than 133 in females; 1 

 averaging less than 124 in males, less than 112 in females); coloration dee; 

 (chest vinaceous-fawn color in adult males), the upper parts browner. 

 d. Bill and feet smaller (culmen averaging 13.3 in male, 12.7 in female; tar 

 averaging 19.9 in male, 19.6 in female; middle toe averaging 19.9 in ms 

 19 .2 in female) ; occiput and hindneck less extensively bluish gray in ms 

 (Cuba; Isle of Pines; Haiti; Jamaica.) 



Zenaidura macroura macroura (p. 34 



dd. Bill and feet larger (culmen averaging 16.4 in male, 15.4 in female; tar 



averaging 22.6 in male, 21.4 in female; middle toe averaging 22.6 in ms 



22.1 in female); occiput and hindneck more extensively bluish gray 



male. (Clarion Island, Western Mexico.) 



Zenaidura macroura clarionensis (p. 54 

 ce. Larger (wing averaging more than 146 in males, more than 139 in femal 

 tail averaging more than 138 in males, more than 120 in females); colorat 

 paler (chest light vinaceous-fawn color in adult males), the upper parts 1 

 brownish. ' 

 d. Color of forehead and superciliary region (in adult male) not conspicuov 

 darker than that of chest. 

 e. Coloration averaging slightly darker, with upper parts browner; averag 

 slightly smaller (wing averaging 147.2 in male, 139.6in female). (Hur 

 region of eastern North America.) 



Zenaidura macroura carolinensis (p. 34 



