of Ceratosaurus, [422];

of Stegosaurus, [426];

of Iguanodon, [428];

of Triceratops, [430];

of Pterodactylus, [485]

Skin, of larval Amphibia, [31];

shedding of, [32];

glands, [32];

pigment, [34];

change of colour, [35];