THE nOWNY OWLETS. 
103 
toes distinguishes Nyctala from Syrnmm, as far as the British 
avifauna is concerned. . k , a - i. 
The Saw-whet Owl {Nyctala acadica) of North America has 
been said to have occurred in Yorkshire, but the occurrence is 
not considered genuine. 
I. tkngmalm’s owl. nyctala tengmalmi. 
Strix tengmalmi, Gm. Syst. Nat. i. p. 291 (1788) ; Seeb. Br. 
'R i‘ \v fC\A 
[Plate XXXIX.) 
Adult Male. — General colour above light brown, plentifully 
spotted and mottled with white, especially on the scapulars 
where the white markings are very conspicuous ; fore-part and 
sides of crown rather darker than the back, with numerous 
Skull of Tenfimalm’s Owl, to show the iJOAa.on of the ear-conches 
(after Collett). 
triangular spots of white, with a “wig” of looser plumes on the 
hind-neck, where the plumage is fuller, these pans being barred 
with white; the median and greater coverts with large oval 
spots of white on the outer web; quills brown, tipped with 
greyish, spotted on the outer web, and broadly notclied on 
