Fishes, fresh-water, [145].

Fishes, thoracic and jugular, [39], [140].

Fixity of position of limbs, [39].

Flat-fishes, [37], [166].

Flexibility of bodily organization, degrees of, [119].

Flexibility of mind, [267].

Flies, horned, [93].

Flight of spiders, [65].

Flounder, [37].

Flower, Professor, [163], [232], [283].