RANGE--Eastern North America, from Hudson Bay southward, and west to the Great Plains, straggling thence to Nevada and Washington. Breeding range now mainly restricted to portions of the Canadas and the northern border of the United States, as far west as Manitoba and the Dakotas. NEST--In trees; a mere platform of sticks. EGGS--Usually one, never more than two, pure white, and broadly elliptical in shape. * * * * * Page 27. #SHORT-EARED OWL.#--_Asio accipitrinus._ Other name: "Marsh Owl." RANGE--Entire North America; nearly cosmopolitan. NEST--On the ground in the matted grass of marsh land, of a few sticks, soft grasses, and some of its own feathers. EGGS--Four to seven, white, and oval in shape. * * * * * Page 31. #ROSE COCKATOO.#--_Cacatua Leadbeateri._ RANGE--South Australia. NEST--In holes of decayed trees, or in fissures of rocks. EGGS--Two, of pure white. * * * * * Page 35. #MOUNTAIN PARTRIDGE.#--_Oreortyx pictus._ Other name: "Plumed Partridge." RANGE--Pacific coast from San Francisco north to Washington. NEST--On the ground, consisting of a bed of dead leaves, under a bush or tuft of grass or weeds. EGGS--Six to twelve, of a cream color with a reddish tint.