NOTICES OF NEW BOOKS. Q77 
400 or 450 tbs.; so that the weight of this particular specimen 
was estimated at about 600 tbs. At the Kuldja consulate, as also 
at Tashkend, Dr. Lansdell saw specimens of the skull and horns 
of this fine wild sheep. 
The Dong, or Wild Yak (Bos grunniens), has till of late years 
only been known by rumour. It is a native of Thibet and high 
Asia, between the Altai and the Himalayas. Col. Prejavelsky 
shot one south of Koko Nor, six feet high and eleven feet in 
length, exclusive of tail, which was three feet more. The cow 
Yak is much inferior in size to the bull, and her horns are small. 
The animal is capable of domestication, and a variety of crosses 
with domestic cattle is produced. 
i 
fF 
A THIBETAN COW. 
At page 143 of vol. ii. Dr. Lansdell gives a figure (here 
reproduced) of a Thibetan Cow of a supposed cross-breed intro- 
duced by the Russians into Turkestan. The Yaks pasture in the 
coldest parts of Thibet and the eastern portion of Bokhara, upon 
short: herbage peculiar to mountain tops and bleak plains. It 
remains therefore to be seen whether this animal will thrive in 
the lowlands. 
So far, we have been gleaning information touching the fauna 
of Central Asia from remarks scattered here and there throughout 
Dr. Lansdell’s first volume. The most scientific portion of ‘his 
