32 POPULAR OFFICIAL GUIDE. 
MOUFLON ARCAL SHEEP 
northerly point of land. About twenty living specimens 
have been taken when very young at Franz Josef Fiord, 
by Swedish and Norwegian whaling parties. The Peary 
Arctic Club, of New York, presented to the New York 
Zoological Society a young calf which was captured by 
Commander Peary at Fort Conger, in 1902, but it lived 
only a few months. 
The Big-Horn Mountain Sheep, (Ozis canadensis), is 
intermittently exhibited in the Zoological Park, but in 
January, 1911, it chanced to be absent. The efforts that 
have been made in New York, Philadelphia, Washington 
and Chicago to acclimatize the Big-Horn of the Rocky 
Mountains have proven the extreme difficulty involved in 
keeping specimens of that species anywhere in the Missis- 
sippi Valley, or on the Atlantic coast. The changes of at- 
HIMALAYAN TAHR BURRHEL 
