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 17
... surface of a stagnant pool , place a drop of this in the object - holder of a microscope , and examine it with a glass of a quarter of inch focus , you will find it teeming with animal life ; you will see numerous little objects , of ...
... surface of a stagnant pool , place a drop of this in the object - holder of a microscope , and examine it with a glass of a quarter of inch focus , you will find it teeming with animal life ; you will see numerous little objects , of ...
Page 22
... surface , which we find to be the essential respiratory dynamic of the 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 ...
... surface , which we find to be the essential respiratory dynamic of the 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 ...
Page 36
... surface , may be supposed to take the most potent share in the respiratory function . But Ehrenberg directs our ... surfaces of the viscera , is admitted into the interior of the body by an opening in the neck , which , in very many ...
... surface , may be supposed to take the most potent share in the respiratory function . But Ehrenberg directs our ... surfaces of the viscera , is admitted into the interior of the body by an opening in the neck , which , in very many ...
Page 44
... surface of the parent cyst . These acephalocysts vary from the size of a pea to that of a child's head . In the larger ones the wall of the cyst has a distinctly laminated texture . They are of a pearly whiteness , without fibrous ...
... surface of the parent cyst . These acephalocysts vary from the size of a pea to that of a child's head . In the larger ones the wall of the cyst has a distinctly laminated texture . They are of a pearly whiteness , without fibrous ...
Page 45
... surface , and the de- velopment of new cells from the nuclei of hyaline . We see with how little reason such a body can be compared with the Volvox globator , as has been done by Professors Nitzsch and Leückart . + The discovery of the ...
... surface , and the de- velopment of new cells from the nuclei of hyaline . We see with how little reason such a body can be compared with the Volvox globator , as has been done by Professors Nitzsch and Leückart . + The discovery of 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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