On the Anatomy of Vertebrates: Fisches and reptiles

abdominal air-bladder alisphenoid animal appendages artery articular articulated attached backward Batrachia body bones bony brain branch branchial branchial arches called canal capsule cartilage cartilaginous caudal cavity centrum cerebellum cervical Chelone Chelonia coalesced coracoid cranial cranium Crocodile Crocodilia dentary dentine developed dorsal expanded extends external fibres filaments fins fore forward Frog frontal ganglion gills hæmal arch hæmal spine homology humerus inner inserted Lancelet Lepidosiren ligament limbs longitudinal lower jaw mastoid maxillary median membrane modifications muscles muscular myelon nasal nerve neural arch neural spine notochord occipital olfactory optic lobes orbitosphenoids organ Osseous Fishes ossification outer pair palatine parietal pectoral pectoral fins pedicle Plagiostomes plates pleurapophyses Polypterus posterior premaxillary prosencephalon pterygoid rays Reptiles ribs scapula scutes segment Sharks side skeleton skull slender species spinal Sturgeon surface tail teeth terminal tooth transverse trunk tympanic upper vascular vein ventral ventricle vertebral vertebral column vertical vomer