Iridina, ii. [534]
Iridornis, ii. [98]
Irrisor, ii. [318]
IRRISORIDÆ, ii. [318]
Isacis, N. American Tertiary, i. 133
Ischcognathus, ii. [375]
Ischyromys, N. American Tertiary, i. 140
ii. [236]
Islands, N. European, zoology of, i. 197
of the Mediterranean sub-region, i. 206