94 
Prof. Newton on the Assignation 
This bird, SevertzofF states, belongs to the same group as 
Par us palustris, P. borealis, P. cinctus , and P. lugubris, but 
differs from the last two as much as from P. palustris. The 
crown, nape, and hind neck are black, this colour extending 
to the centre of the back; throat black, the feathers edged 
with brownish white in autumn; cheeks dirty white, tinged 
with greyish brown; back, rump, shoulders, lower throat, 
breast, abdomen, and flanks, as well as the under tail-coverts, 
brownish, darkest on the shoulders, and lightest, almost white, 
near the black patch on the throat; wing-coverts and the 
three innermost secondaries dark brownish grey, with broad 
light edges, the remaining quills and the rectrices blackish 
brown; bill black, with greyish brown end and margins; 
legs dark bluish lead. First primary short, 4 = 5>6>7>3 
>8>9>2>10, or4 = 5 = 6>7>3>8>9>10>2; the4th and 
5th rectrices longest, the central ones being V" shorter, and 
the outer ones 2'" shorter. Total length 5" 6 m , extent 9", 
wing 2" S'", tail 2 n 5 m , tarsus 7\ w , middle toe hind claw 
3 m , culmen 4\ w . 
Tt inhabits the fir-forests on the Thian-shan range. 
179. Panurus biarmicus (L.). 
Panurus barbatus , SevertzofF, p. 66. 
Horizontal range. Resident in districts I., II., and III. 
Vertical range. Resident in districts 1 and 2. 
[To be continued.] 
XI .—On the Assignation of a Type to Linncean Genera, with 
especial reference to the Genus Strix. By Alfred Newton, 
M.A., F.R.S., &c. 
That some of my brethren should demur to the opinion I 
expressed a few years ago (Yarrell, British Birds, ed. 4, vol. i. 
p. 150) as to the species which ought properly to be con¬ 
sidered the type of the Linnsean genus Strix, was a thing 
fully expected by me; indeed I had anticipated a stronger 
resistance than any which my views have hitherto encoun¬ 
tered. So far as I am aware, the only opposition offered 
thereto lies in the comparatively mild protest of the editor of 
