Tadpoles, horny teeth of, [58] f.;

of Megalophrys, [59], [60];

absorption of tail, [61] f.;

of Xenopus, [147], [148];

of Bombinator, [157];

of Alytes, [159];

of Hyla arborea, [193];

of H. versicolor, [195];

of Bufo viridis, [181];

of B. calamita, [183];