Fire Salamander, [115]

Firmisternal shoulder-girdle, [24], [25]

Firmisternia, [140]

Fischer-Sigwart, on growth of Alytes, [159] f.;

on growth of Bufo, [175];

on gestation of Chalcides, [563]

Fletcher, on spawning of Australian frogs, [201], [223]

Flower, S. S., on habits of Rhacophorus, [249];

Phrynella pollicaris, [233];

Callula pulchra, [234]