easily dispersed often have restricted ranges, [504]
how they migrate from north to south, [512]
of existing genera throughout the Tertiary period, [520]
southern migration of, by way of the Himalayas, [523]
southern migration of, through Africa, [524]
endemic genera of, in New Zealand, [526]
Platypus, [30]
Plestiodon longirostris of Bermuda, [266]
Po, matter carried away by, [173]
Podargus, Australian genus, [47]