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SCHEME OF THE CLASSIFICATION ADOPTED IN THIS BOOK ix

PERIPATUS

INTRODUCTION--EXTERNAL FEATURES--HABITS--BREEDING--ANATOMY--ALIMENTARY CANAL --NERVOUS SYSTEM--THE BODY WALL--THE TRACHEAL SYSTEM--THE MUSCULAR SYSTEM --THE VASCULAR SYSTEM--THE BODY CAVITY--NEPHRIDIA--GENERATIVE ORGANS --DEVELOPMENT--SYNOPSIS OF THE SPECIES--SUMMARY OF DISTRIBUTION 3

MYRIAPODA

INTRODUCTION--HABITS--CLASSIFICATION--STRUCTURE--CHILOGNATHA--CHILOPODA --SCHIZOTARSIA--SYMPHYLA--PAUROPODA--EMBRYOLOGY--PALAEONTOLOGY 29

INSECTA

CHARACTERISTIC FEATURES OF INSECT LIFE--SOCIAL INSECTS--DEFINITION OF THE CLASS INSECTA--COMPOSITION OF INSECT SKELETON--NUMBER OF SEGMENTS--NATURE OF SCLERITES--HEAD--APPENDAGES OF THE MOUTH--EYES--THORAX--ENTOTHORAX--LEGS --WINGS--ABDOMEN OR HIND BODY--SPIRACLES--SYSTEMATIC ORIENTATION 83

ARRANGEMENT OF INTERNAL ORGANS--MUSCLES--NERVOUS SYSTEM--GANGLIONIC CHAIN --BRAIN--SENSE-ORGANS--ALIMENTARY CANAL--MALPIGHIAN TUBES--RESPIRATION --TRACHEAL SYSTEM--FUNCTION OF RESPIRATION--BLOOD OR BLOOD-CHYLE--DORSAL VESSEL OR HEART--FAT-BODY--OVARIES--TESTES--PARTHENOGENESIS--GLANDS 114

DEVELOPMENT

EMBRYOLOGY--EGGS--MICROPYLES--FORMATION OF EMBRYO--VENTRAL PLATE--ECTODERM AND ENDODERM--SEGMENTATION--LATER STAGES--DIRECT OBSERVATION OF EMBRYO --METAMORPHOSIS--COMPLETE AND INCOMPLETE--INSTAR--HYPERMETAMORPHOSIS --METAMORPHOSIS OF INTERNAL ORGANS--INTEGUMENT--METAMORPHOSIS OF BLOWFLY --HISTOLYSIS--IMAGINAL DISCS--PHYSIOLOGY OF METAMORPHOSIS--ECDYSIS 143

CLASSIFICATION--THE NINE ORDERS OF INSECTS--THEIR CHARACTERS--PACKARD'S ARRANGEMENT--BRAUER'S CLASSIFICATION--CLASSIFICATIONS BASED ON METAMORPHOSIS--SUPER-ORDERS--THE SUBDIVISIONS OF ORDERS 171

THE ORDER APTERA--DEFINITION--CHIEF CHARACTERISTICS--THYSANURA--CAMPODEA --JAPYX--MACHILIS--LEPISMA--DIVERSITY OF INTERNAL STRUCTURE IN THYSANURA --ECTOTROPHI AND ENTOTROPHI--COLLEMBOLA--LIPURIDAE--PODURIDAE --SMYNTHURIDAE--THE SPRING--THE VENTRAL TUBE--ABDOMINAL APPENDAGES --PROSTEMMATIC ORGAN--TRACHEAL SYSTEM--ANURIDA MARITIMA--COLLEMBOLA ON SNOW--LIFE-HISTORIES OF COLLEMBOLA--FOSSIL APTERA--APTERYGOGENEA --ANTIQUITY AND DISTRIBUTION OF CAMPODEA 180


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