THE BIRDS OF NORTH AMERICA EAST OF THE NINETIETII MERIDIAN.

KEY TO ORDERS AND FAMILIES.

TllE “'ATER BIRDS.

FIG. 5.

Order I. Pygopodes.fiGi:EnEs, Looxs, and Ants. Ducklike llll'(i$ with gent-rally sharply pointed hills; foot webbed, placed fur buck near the tail; tarsus much flattened; hind two. when present, with a lolu: or flap; hill without toothlikc projections; mil very short and sometimes apparently wanting.

A. Toes t'uur, tipped with a hrmul nail. a. Toes with lnlmtc “'t‘lDS. . . . Family lbr/[rz'pirluz (illUiHES tlr'ig. 3, al. p. ML b. 'l'ocswt-hlyt-tl. . . . huinily [Vi’ill/Illli'lll/tl‘: LimeFig. 5, 1);, p, .35. B. Toes thrcc, tippwl with a slmrp nail. . . . Family Alt-(Ila: Arm, )ll'imiis, and l’i'rrixs (\l’ig. 5,0),1». ‘30,

Order 11- Longipennes. —- Jimmns, (Him. {lllll ’l‘iauxa

Birds with sharply pointed and t'rvqm-ntly

-’100l{C\l or huwklike hills; taps Your (PX-

wpt in one gmus—Ji‘issrn, the front (mt-s

Webbed; Wings 10er illltl pointed. FIG 6~

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