98. Perdix (Partridge). Bill strong; orbits naked; tarsus naked, male with a knob on the tarsus behind; tail of sixteen feathers, short, bent down.
99. Caccabis (Red-legged Partridge). Tail of fourteen feathers; tarsi armed with blunt spurs in male.
100. Coturnix (Quail). Bill slender; orbits feathered; wings with the first primary longest; tail very short; almost concealed by the tail-coverts.
ORDER FULICARIÆ
(RAILS AND COOTS)
FAMILY RALLIDÆ
(Rails)