hopplocephalus, [184], [423], et seq.;

horn s., horned v., [224];

horse-shoe s., [137];

hydrinus, [225], [243];

hydrophidæ, [169], [222], [232], [318], [348], [350], [355].

IARARACA, iararacuassa, [396], [429], [535];

ibibo, ibiboco, ibiboboca, [429], [430];

ibiracua, [396], [538];

iffulu, [230];

isodon, [347];