no. 2088. RAGES OF CAPRIMULGUS MACRURUS— OBERHOLSER. 599 



KEY TO THE SUBSPECIES OP CAPRIMULGUS MACRURUS, BASED ON ADULT MALES. 



a 1 . Larger (wing nearly always more than 200 mm.). 

 b 1 . Upper parts with dark markings bolder and more distinct; head more grayish; 

 lower parts less rufescent and more strongly barred. 



Caprimulgus macrurus nipalensis (p. 597). 

 b 2 . Upper parts with dark markings less bold and distinct; head less grayish; 

 lower parts more rufescent and less strongly barred. 



Caprimulgus macrurus albonotatus (p. 597). 

 a 2 . Smaller (wing nearly always less than 200 mm.). 

 b 1 . Upper surface darker. 

 c 1 . White spot on primaries smaller, that on second quill (counting from outer- 

 most) not forming a complete band; dark brown streaks of crown more 



confined to median line Caprimulgus macrurus atripennis (p. 598). 



c 2 . White spot on primaries larger, that on second quill (counting from outer- 

 most) forming a complete band; dark brown streaks of crown less confined 

 to median line. 

 d 1 . Size larger (wing averaging more than 185 mm.). 



Caprimulgus macrurus mesophdnis (p. 590). 

 d 2 . Size smaller (wing averaging less than 185 mm.). 



Caprimulgus macrurus macrurus (p. 589). 

 Caprimulgus macrurus yorki (p. 591). 

 b 2 . Upper surface lighter. 

 c 1 . Size less (wing usually under 180 mm.) . Caprimulgus macrurus heatsi (p. 592). 

 c 2 . Size greater (wing usually over 180 mm.). 

 d x . Larger (wing averaging 193.5 mm.). 



Caprimulgus macrurus bimaculatus (p. 595). 

 d 2 . Smaller (wing averaging 185.8 mm.). 



Caprimulgus macrurus anamesus (p. 593). 



