Lectures on the Comparative Anatomy and Physiology of the Invertebrate Animals: Delivered at the Royal College of Surgeons, in 1843 |
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Page 7
... gills . Thus we perceive that a similar construction of an organ may , through its different relations with other organs , subserve different functions : whilst the conditions of such differences demand for their elucidation , a ...
... gills . Thus we perceive that a similar construction of an organ may , through its different relations with other organs , subserve different functions : whilst the conditions of such differences demand for their elucidation , a ...
Page 22
... gills in most of the molluscous animals . At all events , to no other part of the polygastric organism than to this ciliated superficies can the respiratory function be attributed . But the action of the vibratile cilia upon the water ...
... gills in most of the molluscous animals . At all events , to no other part of the polygastric organism than to this ciliated superficies can the respiratory function be attributed . But the action of the vibratile cilia upon the water ...
Page 36
... gills . The water essential to the respiratory function discharged by these problematical bodies , and by the vascular surfaces of the viscera , is admitted into the interior of the body by an opening in the neck , which , in very many ...
... gills . The water essential to the respiratory function discharged by these problematical bodies , and by the vascular surfaces of the viscera , is admitted into the interior of the body by an opening in the neck , which , in very many ...
Page 60
... gills of the bream . The genus Planaria , a fresh - water vermiform animal , and not an internal parasite , is nevertheless referable , by its organisation , to the order Trematoda . In the Planaria lactea the mouth is situated upon a ...
... gills of the bream . The genus Planaria , a fresh - water vermiform animal , and not an internal parasite , is nevertheless referable , by its organisation , to the order Trematoda . In the Planaria lactea the mouth is situated upon a ...
Page 124
... gills , or bases of the tubular feet , where it acquires the arterial character . Thus changed the blood returns by the branchial vein into the arterial ring of the anus , whence it is dis- tributed in part to the ovaria , and the ...
... gills , or bases of the tubular feet , where it acquires the arterial character . Thus changed the blood returns by the branchial vein into the arterial ring of the anus , whence it is dis- tributed in part to the ovaria , and the ...
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Common terms and phrases
abdomen alimentary canal analogous Anatomy Anellides animal animalcules antennæ aperture appendages Ascidians attached Belemnite bivalves blood body branchiæ branchial Bryozoa calcareous cavity cells cephalic Cephalopods chords ciliated cloth colour compound eyes consists Crustacea Cuvier developed digestive dilated Diseases distinct dorsal duct Edition elongated embryo Entozoa external extremity eyes female filaments fluid ganglion Gasteropods genus germinal vesicle gills glands head horny Infusoria insects integument interspace intestine jointed larva larvæ layer LECTURE legs locomotive London longitudinal male mandibles mantle margin mass maxillæ membrane metamorphosis minute Mollusca mouth muscles muscular fibres muscular system Nautilus nerves nervous system observed ocelli oesophagus organisation organs orifice ovaria oviduct ovum pair parasitic plates polypes posterior present processes radiated respiratory rudimental segments shell side siphon slender species spiders spines stomach structure surface tentacles tentacula terminal thorax tissue transverse tube tunic vascular ventral vesicle vessel visceral wings worm
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