—— on embryological succession, [338].
—— on the glacial period, [366].
—— on embryological characters, [418].
—— on the embryos of vertebrata, [439].
—— on parallelism of embryological development and geological succession, [449].
Algæ of New Zealand, [376].
Alligators, males, fighting, [88].
Amblyopsis, blind fish, [139].
America, North, productions allied to those of Europe, [371].
————, boulders and glaciers of, [373].