Key to the Genera. 



A. Tail less than two-thirds of wing in length : 



a. Neck-feathers not acuminate ; dark bars on secondaries Colwmha. 



b. Neck-feathers acuminate ; no dark bars on secondaries Dendrotreron. 



B. Tail exceeding two-thirds of, but not longer than, wing : 



c. Larger, wing 7.5 in. or over ; no white tips to tail- 



feathers ; tarsus shorter than middle toe with- 

 out claw : 



a' A white bar, conspicuous beneath, across tail ... 



b' No white bar across tail 



d. Smaller, wing 7.4 io. or under ; white or grey tips to 

 tail; tarsus longer than middle toe without 

 claw : 



c' Sexes alike ; second and third quills longest 



d ' Sexes different ; first and second quills longest . . . 



Falwmhvs. 

 Alsocomus. 



Streptopelia. 

 Oenopopelia. 



C. Tail longer than wing, and much graduated 



Macropygia. 



