1. Protection by means of nests or nurseries.

A. In enclosures in the water.--_Hylafaber_.

B. In nests in holes near the water.--_Rhacophorus, Leptodactylus_.

C. In nests overhanging the water.--_Rhacophorus, Chiromantis,

Phyllpmedusa_.

D. On trees or in moss away from the water.--_Rana opisthodon,

Hylodes, Hylelia platycephala_.

E. In a gelatinous bag in the water.--_Phrynixalus, Salamandrella_.

Encyclopaedia Britannica, 11th Edition, "Basso-relievo" to "Bedfordshire" Volume 3, Slice 4 · 第 9 / 33 题