180 
this, wherever a bunch of dwarf willows will give it shelter, to the very shores of the Arctic 
and Bering Seas. There is no record of 7. swainsoni from the coast-region of south-eastern 
Alaska, nor from the islands of Bering Sea, nor is it likely to occur in the latter portion of the 
Territory, owing to its preference for a wooded region. Both species breed together throughout, 
perhaps, the entire course of the Yukon, but on the lower portion of the river 7. alicia is 
far more numerous." There is no specimen of T. swainsoni in Mr. Nelson's series of Alaskan 
skins in the Henshaw Collection. 
` Не further observes:—“ On the coast of Bering Sea, where the Grey-cheeked Thrush 
(T. alicia) is abundant, this species is very rare ог does not occur at all In the interior, 
however, it appears to increase in numbers as the distance from the sea-coast increases. Among 
a considerable series of Thrushes secured, there are but two specimens of this bird, one of which 
is from Nulato and the other from Anvik, both on the Yukon, several hundred miles from its 
mouth. Dall speaks of this as a common bird, breeding all along the Yukon to the sea-coast, 
but he evidently referred to the Grey-cheeked ‘Thrush, which is abundant along the Lower Yukon; 
whereas Т. swainsoni is comparatively rare, as shown by its rarity in the collections brought 
me by the fur-traders and natives from various parts of the Territory, and from the fact that 
I did not find it at the mouth of the Yukon during the spring of 1879. Among my series 
of T. alicie are a number having a distinct buff shade on the breast and upon the sides of the 
neck, thus resembling 7. swainsoni; and it would not be surprising to find occasional cases 
of crossing, since the two occupy the same territory in many places. 7. swainsoni has been 
found to be a common breeding species on the Upper Yukon, whence eggs have been sent to 
the Smithsonian Institution from several points, including Fort Yukon. l have seen a specimen 
from Anvik, which is my lowest record on the Yukon." 
A specimen collected by J. K. Lord in British Columbia is in the British Museum, and 
Mr. Rhoads records the species as occurring in that Territory in spring and summer (Auk, x. 
p.16). Blakiston met with it on the Saskatchewan (Ibis, 1862, p. 4) and at Fort Carlton (Ibis, 
1569, p. 58), and Mr. Thompson states that it is а common summer resident in Manitoba, 
arriving about the 12th of May. Messrs. Baird, Brewer, and Ridgway observe that numbers of 
specimens of this Thrush have been received by:the Smithsonian Institution from the Great Slave 
Lake. 
In Ontario, Dr. McIlwraith regards the Olive-backed Thrush as a spring and fall migrant, 
but Dr. C. Hart Merriam found it breeding at Point de Monts in the Province of Quebec (Bull, 
Nutt. Orn. Club, vii. p. 234). On the Upper St. John River, Mr. Batchelder records it as common 
at Grand Falls and Fort Fairfield, and he found it nesting near Houlton (Bull. Nutt. Orn. Club, 
vii. p. 108). It is very abundant in summer on Prince Edward Island, according to Mr. Dwight 
(Auk, x. p. 14), and it was also observed in summer by Mr. F. H. Allen in the Bras d'Or region 
on Cape Breton Island (Auk, viii. p. 165). Пт. Bishop has likewise found the species breeding 
on the Magdalen Islands (Auk, vi. p. 149). 
Mr. Verrill reports it as very common on Anticosti (Proc. Bost. Soc. N. H. ix. p. 137), and 
Mr. Brewster also met with it at Fox Bay on the same island in July (op. cit. xxii. р. 369). 
Specimens were obtained on the 13th of June and in July 1860, at Rupert House, on James Bay, 
by Drexler (cf. Turner, Proc. 17.8. Nat. Mus. viii. p. 235). 
In Mr. Stearn's ‘ New England Bird Life” (і. p. 57), edited by Prof. Elliott Coues, the following 
note is given :—“ The range of the Olive-backed Thrush in New England is closely coincident with 
that of the Hermit. Like the latter, it breeds in the Canadian, and is a migrant in the Alleghanian 
Fauna. It is rather less abundant than Ше Hermit, especially during the migrations, in most 
localities; moreover, it arrives rather later im the spring, and does not linger so long in the 
