BIKDS — COLUMBIDAE. 



P.Ol 



Sub-Family ZENAIDINAE. 



Cli. — Tarsi stout, lengthened ; always longer timn the luliTuI toes, and entirely williuut rcathcrs ; the tibial joint usually 

 denuded. Tunus sumotiraes with hexagonal scales anteriorly. Tail foatliors sometimes 14. 



This snl)-i'umily is reailily distinj^tiished f'roni the preceding hy the longer and more denuded 

 tnrsi, the feet much better fitteil tor a terrestrial life. The t'oUowing sections belong to it: 



ZEN.\n)EAE. — Size moderate. Wings lengtliened, acute ; primaries mucli longer than the 

 tertials ; .•secondaries short. Tarsus shorter than the middle toe and claw, but longer than the 

 lateral ; scutellate anteriorly. 



Melopelia. — Tail short, rounded ; orbits naked. 



Zesaida. — Tail short, rounded ; orbits feathered. 



Zenaidura. — Tail excessively lengthened, cuneate, of fourteen feathers ; orbits naked. 

 Chamaepeueak. — Size very small. Secondaries lengtliened. Tertials nearly as long as 

 primaries. Primaries dark chestnut internally. 



Che>uepeua. — Tail sliort, rounded. 



Scardafella. — Tail very long, cuneate. 

 Starnoexadeae. — Legs very stout ; tarsi decidedly longer than the middle toe, covered ante- 

 riorly with small hexagonal scales or transverse scutellae. Wings short, very broad, and much 

 rounded. Tail short, very broad. 



Starnoenas. — Legs very stout ; tarsi covered with hexagonal scales. 

 Geotrygon. — Legs moderate ; tarsi covered with transverse scutellae anteriorly. 



Comparative measurements of species. 



JdIv 1, 1838. 



76 b 



