On the Anatomy of Vertebrates ...: Fishes and reptiles |
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Page xxxiii
... usually accompanied by a corresponding disuse of another part , this very disuse , by inducing a proportional degree of atrophy , becomes an added element in the progressive mutation of organic forms . Concomitant changes of climate ...
... usually accompanied by a corresponding disuse of another part , this very disuse , by inducing a proportional degree of atrophy , becomes an added element in the progressive mutation of organic forms . Concomitant changes of climate ...
Page xxxiv
... usually , also , more prolific than larger ones . " The actual presence , therefore , of small species of animals in countries where larger species of the same natural families for- merly existed , is not the consequence of any gradual ...
... usually , also , more prolific than larger ones . " The actual presence , therefore , of small species of animals in countries where larger species of the same natural families for- merly existed , is not the consequence of any gradual ...
Page 3
... usually present . The blood - discs , fig . 8 , speedily acquire the red colour which , by their number and minuteness , they impart to the whole blood . The heart is a compact mus- cular organ , of two or more cavities , propelling the ...
... usually present . The blood - discs , fig . 8 , speedily acquire the red colour which , by their number and minuteness , they impart to the whole blood . The heart is a compact mus- cular organ , of two or more cavities , propelling the ...
Page 8
... usually large , with bony sclerotic ; auditory labyrinth with three semi- circular canals , in the cranial cavity ; mouth formed by upper and lower jaws , opening at the fore part of the head , and admitting the respiratory currents ...
... usually large , with bony sclerotic ; auditory labyrinth with three semi- circular canals , in the cranial cavity ; mouth formed by upper and lower jaws , opening at the fore part of the head , and admitting the respiratory currents ...
Page 12
... usually with the first ray a strong spine ; caudal fin in most unsymmetrical ; a swim- bladder , often cellular , and with an air - duct ; intestine in many with a spiral valve . Suborder I. LEPIDOGANOIDEI . Fam . 1. Salamandroidei . Ex ...
... usually with the first ray a strong spine ; caudal fin in most unsymmetrical ; a swim- bladder , often cellular , and with an air - duct ; intestine in many with a spiral valve . Suborder I. LEPIDOGANOIDEI . Fam . 1. Salamandroidei . Ex ...
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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.