PIGEONS ANI) DOVES. 187 ORDER COLUMBJE. PIGEONS AND DOVES. FAMILY COLUMBIDZE. PIGEONS AND Dovns. About one third of the three hundred known species of Pigeons and Dm es zue found 111 tl1e\ ew \\ 01 111 but oi" this number onl\ twel\e species occur in North Aineiica. 'lhe hiids of this family dil1e1 w 11lely in their choice of haunts. Some are strictly arboreal, others as strictly terrestrial. Some seek the forests and others prefer fields and clear— in.gs Some nest in colonies others in isolated pairs but most species efound in flocks oi g1e1te1 or less si/e 1111111 the b111eding season. V‘ hen drinking, they do not raise the head as other birds do to swal- low but keep the hill immersed until the draught is finished. The young 11101111111 naked and are fed by leganitation. KEY T11 TIIE SPECIES. A. Tail widely tipped with white or grayish white. 1:. Tail pointed. (11. Bank or rump bluish slate—color. . . . . 315. PASSENGER P111120N. (17.1’11elit'1livu grayish brown. . . . . . . . 316. )Ioi'nxixn Doris. 6. Tail square . . . . . . . . . . . . 317. ZENAmA DovE. B Tail not tipped with white. (1. Lppei parts 11.1111 slate— eolor . . . . . 314. VVIiITE—«tnowxhn P11115011. b. Upper parts rut‘ous with purplish retleetions. bl. Line helow the eye and belly white or whitish . 32:2. (213-111. DoVE. Ifl. Line under the eye and belly buti'y oehraeeous. , 322.1. {tony Q1'.\1L DOVE. e. ['pper parts grayish olive—brown. 0‘. Crown 111111}. a white line helow the eye. “2.3. BLI'E-HEADEI) Q1411. Born. 1". Crown pinkish orlilie the hawk . . . . . . 3:10. (iltot’NI) Dove. 314. Columba leucocephala, Linn. \VlliTl—Z-t‘ROWNED P10151111: All. 3 .——Riel1 slate-11olor: crown white; hack of the head purplish chestnut; l1ael1' of the neel1' with greenish refleetions. eaeli feather with a bluek lmrder. Ar]. <P.—-Similar. hut paler: crown usliy. less purplish chestnut: liaek and sides of the neel1' brownish ash with metallie reflections and hlaek 111argins. 1... 1:11:10; \\'.. 7-50; ’12. 51111; 1’... ~70. lair/l/[II/1"Flt)1’1tlil Keys, West Indies. and coast of ('1111tr11l .1\1neriea. Nut, in low liushes. liar/11' two. glossy white. 1'41 x 102. This Pigeon is locally common in some of the Item off southern Florida. and has been l1nown to ou 111 on the 111:1i1ilantl. Aveording to Mr. J. \V. Atl1‘i11s(1\ul1', vi. 1889. p. 246). it arrives at Key West early in May and remains until November. 315. Ectopistes migratorius (Lia/1.). l’.\s.<1;,\'1;11:11. l’1111-2ox. (See. Fig. 28.) All. 6 .—L‘pper parts rieh bluish slate-eolor: haelt and sides of the