pe 
of the Genera Tetrao and Ortyz. 141 
Named in honour of Captain John Franklin, R.N., the ami- 
able and distinguished Commander of the Land Arctic Expedi- 
tion, to whom the lovers of American research owe so much. 
5. T. Richardsonii. Mas. Pallidé plumbeo-griseus fusco spar- 
sim undulatus: gulæ plumis in medio albis: abdomine sa- 
turatiore albo parcé maculato: macula laterali sub nuchá 
albá: rectricibus nigris, apice albicante. 
Foem. Minor, brunnescenti-grisea, dorso brunneo fasciato ; sub- 
tüs albo frequenter notata, rectricibus duabus mediis fer- 
rugineo fasciatis. 
T. Richardsonii. Sabine Mss. 
Beak: upper mandible black; lower pale brown or horn- 
colour. Irides dark hazel, with a lunulate yellow gra- 
nulate bare spot above the eye. Head, neck and breast, 
glossy lead-colour, with a tinge of light gray: and with 
black, dark, dusky or brown scattered minute spots. Chin 
finely spotted with white. Ear-coverts fuscous: the hind 
part of the neck partly white. Scapulars dark, red speckled. 
Belly light bluish-gray, white spotted, the centre of the 
feather partly white. Tarsi one inch and a half long. Toes 
pectinated. Quills 24; shafts white; inner web dusky, 
outer mottled ; outer coverts brown, speckled; under co- 
verts white. Tail square at the end, of 20 feathers, black, 
tipped with white; upper coverts black, speckled at the 
points; under coverts black, tipped with white. 
Fonai smaller, brownish, gray-and-white mottled ; the feathers 
= of the neck with two narrow. odis bars; those of the 
back with only one, which is broader. The three centre 
feathers of the tail waved with red fanda; colour of the 
. Others lighter than in the male bird. Length 20 inches. : : - 
Breadth 15 inches. Weight two and a half to throni pounds. 
Flesh | 
