KEY TO FAMILIES. 53 Family 8. Iflrltndinidw.—SWALLOWS (Fig. 49). Bill short and flattened, much wider than high at the base; no bristles at - 1 the base of the bill; wings long and \. \e. ,' pointed, tips, when closed, generally s 5' reaching beyond the end of the tail; k ‘P first primary the longest; outer tail- 1 feathers longest; feet small, tarsus short, round in front,»narrower and sharper in the back, p. 318. FIG. 49. Family 9. Ampelidw.—WAXWINGS (Fig. 50). Plumage generally soft, brownish gray or grayish brown; 9. 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. Lflfliidm.-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. Vireonidw.—V1RE05 (Fig. 52). Small birds, 500— ““a\\ 7'00 in length, with m / 5 ¥ generally olive— 7/ J y; ’ ® green backs; tail- ‘ ,, / feath'ers without b V / / 7 white spots; bill }% rather stout, higher ' 7/ FIG. 52. than broad at the Vw‘ v . \w base, the tip of the upper mandible C notched and hooked, bristles at the L} base of the bill barely evident; tarsi S 7' scaled, round in front, narrower and \ sharper behind; toes united at the 5% base, p. 327. A,” 1 Family 12. JIniotiZtidw.—Woon WAR- BLERS (Fig. 53). Small birds, length generally under & 6'00, but in four species 6‘504'50, l .r I with. as a rule, brightly colored , FIG.53.