BiHDB' OP Indiana. 555 



'f. Bill not hooked at tip, no bristles at base; developed primaries nine; hind 

 toe with long, nearly straight claw. Aladdid^ — Labks. XXXVII 



'. Tarsus with its hinder edge compressed. 



c'. Primaries apparently only nine; bill not hooked at tip. 



d'. Bill very short, flat, broad at base, deeply cleft; wings very long. 



HiRUNDINIDjE. — SwALJyOWS. XLII 

 d'. Bill not very Hat and deeply cleft; outer primary never twice as long as 

 the innermost. 

 e^. Bill more or less conical, broad at base. 

 /'. Bill rather long, often longer than head, without notch at tip or 

 bristles at base. 



lOTERIDiE. — OkIOLES, BLACKBIRDS, EtC. XXXIX 



f. Bill shorter than head, often notched at tip, usually with bristles at 

 base. Fringilwd.e —Finches, Sparrows, Etc. XL 



/'. Bill stout, upper mandible curved with slight tooth near the middle 

 of the cutting edge; color chiefly red and yellow. 



Tanagrid^. — Tanagers. XLI 

 ■e'. Bill not conoid. 



g^. Hind claw long and nearly straight, generally longer than its toe; 

 tertials much elongated, i-eaching nearly to tips of primaries. 



MoTACiLtiPJE. — Wagtails and Pipits. XL VII 

 g^. Hind claw short and curved, generally shorter than its claw; 

 tertials short, not nearly reaching to the tip of primaries. 



MNioTiLTiDiE. — Wood Warblers. XLVI 

 'C^. Primaries evident!}' ten, the first developed but short, rarely half the 

 length of the next ; or else bill hooked at tip. 



h^. Front of tarsus covered with transverse four-sided scales. 

 i ' . Bill strongly hooked and notched at tip. 



Laniid*. — Shrikes. XLIV. 

 i '. Bill not strongly hooked or not hooked at all. 

 y. Head with conspicuous crest; tail, in our species, tipped 

 with yellow; bill slightly hooked and notched at tip. 



Ampelidjl. — Waxwings. XLIII 

 j'. Head usually not crested; tail not tipped with yellow. 

 i'. Back generally olive green; bill slightly hooked and 

 notched at tip ; length five to seven inches. 



VlREONID^. — ViREOS. XLV 



k'. Back not generally olive green. 



/'. Tail feathers stiff, pointed; bill slender, curved down- 

 ward. CERTHiin.s;.— Creepers. XLIX 

 l^. Tail feathers more or less soft, not pointed. 



m'. Nasal feathers directed forward on bill, usually cov- 

 ering the nostrils, 

 m^. Birds of large size, length over ten inches. 



CoRViD^. — Crovps, Jays, Etc. XXXVIII 

 n^. Birds of small size ; length under ten inches (ex- 

 cept genus Harporhynchus). 

 0^. Bill notched toward the tip, very slender. 



SYLViiD.a;. — Kinglets and Gnatcatchebs. LI 

 o'. Bill not notched. 



PARID.S;. — Nuthatches and Titmice. L 



