distribution, [501], [529]

Iguanodon, [416], [417], [427];

I. bernissartensis, [428], [428];

I. mantelli, [427]

Ihering, on breeding habits of Phyllomedusa, [205] f., [206]

Ikeda, on nursing habits of Rhacophorus, [248]

Ilysia, [595]

Ilysiidae, [592], [594]

Inframarginal shields, [326], [315]

Intergular shields of Chelonia, [325], [315]