Subject ASC00004d2

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 17 (1881), Page 61 (1881)
MBLWHOI Library
BHL Page 1972921

Keywords

tadpole anatomy frog amphibian development microscopy external gill dorsal Dorsal seventeenth day twentieth day lobe gill

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