KEY TO FAMILIES. 



53 



Family 8. Hirtindinidoe. — Swallows (Fig. 49) 

 Bill short and flattened, much wider 

 than high at the base ; no bristles at 

 the base of the bill; wings long and 

 pointed, tips, when closed, generally 

 reaching beyond the -end of the tail; 

 ilr.st primary the longest ; outer tail- 

 feathers longest; feet small, tarsus 

 short, round in front, narrower and 

 sharper in the back, p. 318. 



Fig. 49. 





¥£4e 



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Fig. 50. 



Family 9. Ampelidce,. — Waxwings 

 (Fig. 50). 

 Plumage generally soft, brownish 

 gray or grayish brown; a black 

 band across the forehead and 

 through the eyes ; tail tipped 

 with yellow; bill short, notched 

 at the tip ; head conspicuously 

 crested, p. 323. 



Family 10. Laniidoe,. — Shrikes (Fig. 51). 



Grayish birds, 8-00-9-00 in length, most of the 

 tail-feathers tipped with white ; bill hooked and 

 hawklike, p. 325. 



Family 11. Vireonidce. — Vireos (Fig. 52). 



Small birds, 5-00- 

 7'00 in length, with 

 generally olive- 

 green backs ; tail- 

 feathers without 

 white spots ; bill 

 rather stout, higher 

 than broad at the 

 base, the tip of the upper mandible 

 notched and hooked, bristles at the 

 base of the bill barely evident ; tarsi 

 scaled, round in front, narrower and 

 sharper behind; toes united at the 

 base, p. 327. 



Family 12. 3£r,iotiUidai.^\Y ood War- 

 blers (Fig. 53). 

 Small birds, length generally under 

 6-00, but in four species 6-50-7"50, 

 with, as a rule, brightly colored 



Fig. 53. 



