42 
ISLAND LIFE. 
[part. I. 
only found elsewhere in the Rocky Mountains of North America, 
while the beautiful genus Thais of the south of Europe and 
Sericinus of North China are equally remarkable. Among 
other insects we can only now refer to the great family of 
Carabidae, or predaceous ground-beetles, which are immensely 
numerous in this region, there being about fifty peculiar genera ; 
while the large and handsome genus Carabus, with its allies 
Procerus and Procrustes, containing nearly 300 species, is almost 
wholly confined to this region, and would alone serve to distin- 
guish it zoologically from all other parts of the globe. 
Having given so full an exposition of the facts which deter- 
mine the extent and boundaries of the Palaearctic region, there 
is less need of entering into much detail as regards the other 
regions of the Eastern Hemisphere; their boundaries being 
easily defined, while their forms of animal life are well marked 
and strongly contrasted. 
Definition and Characteristic Groups of the Ethiopian Region - 
— The Ethiopian region consists of all tropical and south 
Africa, to which is appended the large island of Madagascar and 
the Mascarene Islands to the east and north of it, though these 
differ materially from the continent, and will have to be dis- 
cussed in a separate chapter. For the present, then, we will 
take Africa south of the tropic of Cancer, and consider how 
far its animals are distinct from those of the Palsearctic region. 
Taking first the mammalia, we find the following remarkable 
animals at once separating it from the Palsearctic and every other 
region. The gorilla and chimpanzee, the baboons, numerous 
lemurs, the lion, the spotted hyaena, the aard-wolf and hyaena 
dog, zebras, the hippopotamus, giraffe, and more than seventy 
peculiar antelopes. Here we have a wonderful collection of large 
and peculiar quadrupeds, but the Ethiopian region is also charac- 
terised by the absence of others which are not only abundant in 
the Palaearctic region but in many tropical regions as well. The 
most remarkable of these deficiencies are the bears, the deer, 
and wild oxen, all of which abound in the tropical parts of Asia 
while bears and deer extend into both North and South America. 
Besides the large and conspicuous animals mentioned above, 
