Lectures on the Elements of Comparative Anatomy |
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Page 27
... middle line , between the pallial lobes , and , on each side of it , is a longer or shorter prolongation of the body , provided with ciliated tentacula . It is from the presence of these " arms " that the class has received its name ...
... middle line , between the pallial lobes , and , on each side of it , is a longer or shorter prolongation of the body , provided with ciliated tentacula . It is from the presence of these " arms " that the class has received its name ...
Page 33
... middle of the hæmal wall of the pharynx , from near the oral to the oesophageal end , in all these animals , is pushed out into a longitudinal fold , the bottom of which projects into a blood sinus , and has a much thickened epithelial ...
... middle of the hæmal wall of the pharynx , from near the oral to the oesophageal end , in all these animals , is pushed out into a longitudinal fold , the bottom of which projects into a blood sinus , and has a much thickened epithelial ...
Page 37
... it is divided into three very well - marked portions - an anterior , a middle , and a pos- terior , which are termed respectively the propodium , mesopo- dium , and metapodium ; while the Aplysia , in. THE BRANCHIOGASTEROPODA . 37.
... it is divided into three very well - marked portions - an anterior , a middle , and a pos- terior , which are termed respectively the propodium , mesopo- dium , and metapodium ; while the Aplysia , in. THE BRANCHIOGASTEROPODA . 37.
Page 47
... middle of which its mouth is placed . Both the lateral offshoots and the terminal branches contain vibratile cilia . The Trematode and Tanioid worms have a similar , but usually much more ramified apparatus ; and it is interesting to ...
... middle of which its mouth is placed . Both the lateral offshoots and the terminal branches contain vibratile cilia . The Trematode and Tanioid worms have a similar , but usually much more ramified apparatus ; and it is interesting to ...
Page 59
... middle , the principal centres of the nervous system upon one side of it , and the heart upon the other . In none of these animals , again , would you discover , in the embryonic state , any partition , formed by the original ex- ternal ...
... middle , the principal centres of the nervous system upon one side of it , and the heart upon the other . In none of these animals , again , would you discover , in the embryonic state , any partition , formed by the original ex- ternal ...
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Common terms and phrases
alisphenoid allantois Amphibia anchylosed animals anteriorly aperture articular articulated auditory capsule basi-occipital basi-sphenoid becomes Birds body bony brain-case cartilage cartilaginous cartilaginous cranium cerebral Cetacea chamber characters cloth coalesce corresponding cranial cavity cranium Cuvier decidua developed DISEASES distinct division edge embryo Engravings epiotic ethmoid ex-occipital external Fcap fenestra fishes foetal foramen fossa front frontals groove hyoidean hyomandibular inner intestine lateral layer lobes lower jaw Mammalia Mammals mandible maxilla median membrane middle line nasal nerves nervous notochord occipital olfactory opisthotic orbital orbito-sphenoids organs osseous ossification outer pair palatine palatine bones parietal pars mastoidea pars petrosa periotic bones petrosa Pike pituitary placenta plate Post 8vo posterior posteriorly premaxilla premaxillæ presphenoid pro-otic pterygoid quadrate bone Reptiles sacs Scolecida Second Edition segment semicircular canal separated septum side skull sphenoid spinal squamosal structure supra-occipital surface temporal bone third tympanic tympanic cavity upper vertebral Vertebrata vesicle visceral arches vomer wall
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