On the Anatomy of Vertebrates ...: Fishes and reptiles |
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Page 1
... outer layer of ' lem- ma , ' D , ch , completes the un- impregnated vertebrate egg . B For further developement another principle is needed , viz . the hyaline nucleus or product of the sperm - cell , fig . 2 , called ' spermatozoon ...
... outer layer of ' lem- ma , ' D , ch , completes the un- impregnated vertebrate egg . B For further developement another principle is needed , viz . the hyaline nucleus or product of the sperm - cell , fig . 2 , called ' spermatozoon ...
Page 13
... outer margin , with intervening gill - apertures , five or more in number , on each side ; no operculum . Suborder I. CESTRAPHORI.1 ( Spine in front of each dorsal fin ; back teeth obtuse . ) Fam . 1. Hybodontida . Ex . Hybodus . 2 ...
... outer margin , with intervening gill - apertures , five or more in number , on each side ; no operculum . Suborder I. CESTRAPHORI.1 ( Spine in front of each dorsal fin ; back teeth obtuse . ) Fam . 1. Hybodontida . Ex . Hybodus . 2 ...
Page 31
... outer layer of fibrous capsule 22 neural canal fibrous band , or basis of gelatinous chorda In Dermopteri the neu- ral and hæmal canals are formed by a separation of the layers of the outer division of the sheath of the notochord , fig ...
... outer layer of fibrous capsule 22 neural canal fibrous band , or basis of gelatinous chorda In Dermopteri the neu- ral and hæmal canals are formed by a separation of the layers of the outer division of the sheath of the notochord , fig ...
Page 53
... outer substance of the vertebra is compact , with a smooth or polished surface . The vertebræ are ' procœlian ; that is , they are articulated together by ball - and- socket joints , the socket being on the fore part of the centrum ...
... outer substance of the vertebra is compact , with a smooth or polished surface . The vertebræ are ' procœlian ; that is , they are articulated together by ball - and- socket joints , the socket being on the fore part of the centrum ...
Page 62
... outer end abutting against the under part of the first pair of costal plates , which they help to sustain . The second to the ninth dorsal vertebræ inclusive , being those which are more immediately connected with the neural and costal ...
... outer end abutting against the under part of the first pair of costal plates , which they help to sustain . The second to the ninth dorsal vertebræ inclusive , being those which are more immediately connected with the neural and costal ...
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Common terms and phrases
abdominal air-bladder alisphenoid appendage artery articular articulated attached backward Batrachia body bones bony branchial branchial arches called canal capsule cartilage cartilaginous caudal cavity centrum cervical Chelone Chelonia coalesce coracoid cranial cranium Crocodile Crocodilia dentary dentine developed dorsal duct elongated Endoskeleton exoccipitals expanded extends fibres fore forward Frog frontal gills hæmal arch hæmal spine hæmapophysis homology humerus inner inserted intestine Lancelet Lepidosiren ligament limbs lobes longitudinal lower jaw mastoid maxillary median membrane muscles muscular nasal nerves neural arch neural spine notochord occipital olfactory opercular orbitosphenoids organs Osseous Fishes ossified outer pair palatine parapophyses parietal pectoral pectoral fin pedicle Plagiostomes plates pleurapophyses Polypterus posterior premaxillary prosencephalon pterygoid rays Reptiles ribs scapula scutes segment Sharks short side skeleton skull slender species Sturgeon surface tail teeth terminal tooth transverse transverse process trunk tympanic upper vascular vein ventral ventricle vertebræ vertebral column vertical vomer
Popular passages
Page 650 - The Tale of the Great Persian War, from the Histories of Herodotus. By GEORGE W. Cox, MA late Scholar of Trin. Coll. Oxon. Fcp.