frogs
6 subentries
- frogs
- ancestors of land vertebrates (60:0.2)
- ancestral frog almost died (62:3.9) (65:3.3)
- appearance; sprang from fish family (59:5.6,23) (65:2.6)
- evolved into prereptiles in Permian (59:6.8)
- man’s closest surviving ancestor (61:2.6) (65:2.6-7)
- tadpole becomes frog by living loyally as tadpole (100:1.4)
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