On the Origin and Metamorphoses of Insects

abdomen animal antennæ Anthophora ants Aphis apod appearance appendages bees beetles belong Bipinnaria body branchiæ butterfly Campodea caterpillars Cecidomyia cells change of skin chrysalis ciliated closely resemble Coleoptera Collembola Comatula rosacea condition Crustacea Cynips Darwin Diptera Dragon-flies Echinoderms Echinus Egg of Platygaster Egg of Tardigrade embryo Embryology external Fabre fact feed fleshy grubs Fritz Müller gradually gsae Haeckel Hemiptera Heteroptera hexapod Homoptera Hydroids Hymenoptera insects instance jaws Julus Larva Larva of Sitaris larvæ leaves the egg Lepidoptera less Linnean Transactions mandibles mandibulate mature form maxillæ ment metamorphoses METAMORPHOSES OF INSECTS mouth Müller Neuroptera oesophagus Orthoptera pairs of legs parasitic perfect insect Phryganea PLATE Polynema posterior pupa pupæ quit the egg represents reproduction rosacea rudiments says segments Sitaris humeralis Society's Transactions stage Starfish Strepsiptera suctorial Tardigrade thoracic Thrips Thysanura Trichoptera vermiform wasp Westwood wings yolk Yolk-segmentation young Zaddach Zoëa