Life in Its Lower, Intermediate, and Higher Forms: Or, Manifestations of the Divine Wisdom in the Natural History of Animals

Acineta action animal animalcules ANNELIDA antennæ appearance aquatic beautiful becomes beneath birds bivalve bladder body bones Butterfly calcareous called cavity cells CHAPTER cilia cilium claws close coloured common composed Crabs creatures CRUSTACEA curious Cysticercus deposited disk distinct ECHINODERMATA edge eggs elegant extremity feet fibres fishes fluid furnished gelatinous genus gills habits head horny inch incisors Infusoria Insects instinct integument intestinal jaws jointed larvæ length less limbs living manner Marsupialia Medusa membrane microscope minute motion mouth muscles muscular naturalists nest observed organs orifice oval pair peculiar perfect pieces plates polype PORIFERA prey Quadrupeds rays resembling ROTIFERA round rows seen segments shell side skeleton skin slender soft species specimen Spider spines Sponge stalk Star-fishes stomach structure substance suckers surface swimming tail teeth tentacles threads tiny tion transparent tube vesicle vessel vitreous humours Vorticella whole worms zoologist