KEY TO FAMILIES. 



53 



Family 8. Hirundinidce. 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 ; 

 first primary the longest ; outer tail- 

 feathers longest; feet small, tarsus 

 short, round in front, narrower and 

 sharper in the back, p. 318. 



FIG. 49. 



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. 



FIG. 50. 



Family 10. Laniidae. SHRIKES (Fig. 51). 

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

 tail-fcnthers 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 uppor 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. MrdotiltiiLai. WOOD WAK- 



BLERS (Fig. 53). 



Small birds, length generally under 

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

 with, as a rule, brightly colored 



Fio. 53. 



