147 
tirely destroyed till about a century afterwards, 
when the last wolf fell in Lochaber, by the hand of 
sir Ewen Cameron of Lochiel.” Bingley. 
The terrors of tigers and lions, of panthers and 
leopards, are confined to countries within, or nearly 
bordering on the tropics; but wolves are the natives 
of most of the temperate, and even of the frozen 
regions, where, impelled by hunger, they often at- 
tack travellers, and even invade unguarded habita- 
tions. They are not only destructive to herbivorous 
animals in general, but frequently wander over the 
ice in quest of young seals. Between lions and 
tigers, perhaps among most beasts of prey, furious 
combats take place, terminating with the death of 
one or both the combatants. 
Parasites. 
However disposed these powerful destroyers of 
one another be to shed the blood of their own kind, 
or of herds which have no arms for warfare, yet 
they are not exempt from the attacks of foes as 
fierce as themselves, but secure from their force, by 
the insidious secrecy of unseen invasion, which pene- 
trates even to their vitals. These foes are the nume- 
rous tribes of parasitic insects. The whales have 
their echinorynchi, which adhere to their intestines. 
The cat and dog kinds their ascarides. All kinds 
are subject to peculiar teeniz. Another genus called 
fasciola torments the intestines of man, fox, badger, 
polecat, and probably of lion, tiger, lynx, &c. as well 
as of most herbivora. None are free from the tor- 
L 2 
