(xen 1) 
and about fifty species occur, of which Hyantis alone with 
one species is peculiar to the Papuan islands; as compared 
with this we have one genus only, Morpho, with about fifty 
species, in the Neotropical region. 
The subfamily Nemeobiine are almost confined to this region, 
though two genera with three species occur in the North 
Temperate region, and four or five species of Abisara occur in 
Southern Africa and Madagascar. 
All the rest of the Erycinide, about eighty-seven genera 
and one thousand species, are peculiar to the Neotropical 
region, only a few species spreading to the Southern parts of 
the United States. 
Among the Lycenide there are many genera which, as far 
as at present known, appear to be confined to this region, and 
which form a conspicuous and varied element in Indo- 
Malayana, but probably many of them will be found to 
occur also in tropical Africa when that country is better 
known. 
Of the subfamily, Liptenidw, only one, the very rare 
and curious Liphyra brassolis, occurs in various places from 
Sikkim to the Malay islands. 
Amblypodia is by far the largest and most characteristic 
group among the Lycenidw, and contains with its subgenera 
probably as many as one hundred and fifty species. 
Zephyrus is very characteristic of the Himalo-Chinese 
region to which it is confined. 
Satsuma is a Japanese and Chinese genus, which may have 
nearer allies in North America than is as yet supposed. 
Taraka, Phengaris, and Orthomiella are all monotypic 
genera characteristic of the Himalo-Chinese sub-region. 
The latter sub-region, which I defined many years ago 
when writing on the Birds of Asia (Proc. Zool. Soc. 1878, 
p. 659), has now been generally accepted as a natural and 
homogeneous one, and though the Rhopalocera do not appear 
to have developed in it, as many peculiar endemic genera as 
the birds and plants have done, yet relatively they are fully as 
rich in species. 
There are, however, many well-marked and homogeneous 
genera entirely confined to the Himalo-Chinese sub-region, 
