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 30
... filaments , like their analogues in the Polygastria , know no repose . It might almost have been anticipated that this earliest possessed , and most extensively diffused , organical dynamic in every member of the animal kingdom , should ...
... filaments , like their analogues in the Polygastria , know no repose . It might almost have been anticipated that this earliest possessed , and most extensively diffused , organical dynamic in every member of the animal kingdom , should ...
Page 34
... filaments , like the rays of a fish's fin , attached to the sides of the body . Not any of the species are known to secrete a silicious shell ; but many of them are provided with a transparent gelatinous case , into which they can ...
... filaments , like the rays of a fish's fin , attached to the sides of the body . Not any of the species are known to secrete a silicious shell ; but many of them are provided with a transparent gelatinous case , into which they can ...
Page 35
... filaments extend from this ganglion forwards to the muscular lobes supporting and moving the wheel - like cilia ; other filaments of greater length stretch back- wards into the cavity of the body , apparently attached to the ventral ...
... filaments extend from this ganglion forwards to the muscular lobes supporting and moving the wheel - like cilia ; other filaments of greater length stretch back- wards into the cavity of the body , apparently attached to the ventral ...
Page 56
... filaments pass back- wards , one on each side , as far as the ventral sucker . I have tested this description by a dissection of the largest known species of Distoma , the Dist . clavatum , whose anatomy I have de- scribed in the ...
... filaments pass back- wards , one on each side , as far as the ventral sucker . I have tested this description by a dissection of the largest known species of Distoma , the Dist . clavatum , whose anatomy I have de- scribed in the ...
Page 60
... filaments to the stems of aquatic plants . The Planaria also propagate by spontaneous fission , and are remarkable for the facility with which detached or mutilated parts assume the form and functions of the perfect animal . The young ...
... filaments to the stems of aquatic plants . The Planaria also propagate by spontaneous fission , and are remarkable for the facility with which detached or mutilated parts assume the form and functions of the perfect animal . The young ...
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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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