HERMIT-CRAB WITH PARTNER SEA-ANEMONES 147
CUCKOO-SPIT 147
Photo: G. P. Duffus.
CHIMPANZEE, SITTING 156
Photo: New York Zoological Park.
CHIMPANZEE, ILLUSTRATING WALKING POWERS 156
Photo: New York Zoological Park.
The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told · 第 50 / 470 题