Order XVII. PERCHING BIRDS. 



PASSERES. 



Family 1. FLYCATCHERS. Tyrannida?. 32 species, 7 sub- 

 species. 



Family 2. LARKS. Alaudid.e. 1 species, 13 subspecies. 



Family 3. CROWS AND JAYS. Corvida?. 21 species, 14 sub- 

 species. 



Family 4. BLACKBIRDS, ORIOLES, ETC. Icterid.*:. 18 

 species, 14 subspecies. 



Family 5. FINCHES, SPARROWS, ETC. Fringillida:. 87 

 species, 92 subspecies. 



Family 6. TANAGERS. Tanagrid.e. 4 species, 1 subspecies. 



Family 7. SWALLOWS. Hirundinidai. 9 species, 2 subspecies. 



Family 8. WAXWIXGS. Ampeud.e. 3 species. 



Family 9. SHRIKES. Laniid^e. 2 species, 3 subspecies. 



Family 10. VIREOS. Yireonid.e. 13 species, 10 subspecies. 



Family 11. WARBLERS. Mniotiltid.e. 55 species, 18 subspecies. 



Family 12. WAGTAILS. Motacillidaj. 3 species. 



Family 13. DIPPERS. Cinclida?. 1 species. 



Family 14. WRENS, THRASHERS, ETC. Troglodytid.e. 26 

 species, 24 subspecies. 



Family 15. CREEPERS. Certhiid.e. 1 species, 4 subspecies. 



Family 16. NUTHATCHES AND TITS. Paridai. 21 species, 

 20 subspecies. 



Family 17. KINGLETS, GNATCATCHERS, ETC. Sylviid.e. 

 7 species, 3 subspecies. 



Family 18. THRUSHES, BLUEBIRDS, ETC. Turdid.e. 13 

 species, 14 subspecies. 



The North American members of the Order PASSERES are placed 

 in two Suborders, the Clamatores, or so-called Songless Perching Birds, 

 which includes all the Flycatchers, and the Suborder Oscines t or Sing- 

 ing Perching Birds , which includes all our remaining Perching Birds. 

 While the Flycatchers are therefore technically classed as songless 

 birds, it does not follow that they have no songs. Sing they do, but 

 because of the less developed condition of their voice-producing organ, 

 they cannot give utterance to the longer and more musical songs of 

 the Oscines, which are supplied with a better musical instrument. 



162 



