of the Ethiopian region, i. 255
of the E. African sub-region, i. 260
of W. African, i. 265
S. African, i. 268
of Madagascar, i. 282
general remarks on, i. 284
of tropical Africa and America, probable cause of similarities in, i. 291
of Indo-Chinese sub-region, i. 332
of the Oriental region, i. 318
of Ceylon, i. 327