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 10
... attached beneath the thorax these constituted the Thoracic order : in others , as the cod , you find the ventral fins in advance of the pectorals , or under the throat such species formed the Pisces jugulares of Linnæus : lastly , those ...
... attached beneath the thorax these constituted the Thoracic order : in others , as the cod , you find the ventral fins in advance of the pectorals , or under the throat such species formed the Pisces jugulares of Linnæus : lastly , those ...
Page 13
... attached only to the skin , which forms a soft envelope in which there are developed in many species one or two calcareous plates , called shells . The blood is colourless , or not red ; the heart compact , muscular , and propelling the ...
... attached only to the skin , which forms a soft envelope in which there are developed in many species one or two calcareous plates , called shells . The blood is colourless , or not red ; the heart compact , muscular , and propelling the ...
Page 18
... attached to foreign bodies by a long and highly irritable and contractile pedicle ; others , as the Gomphonema , are appended to the extremities of the branches of a dichotomously divided stem . * A line is the twelfth of an inch , The ...
... attached to foreign bodies by a long and highly irritable and contractile pedicle ; others , as the Gomphonema , are appended to the extremities of the branches of a dichotomously divided stem . * A line is the twelfth of an inch , The ...
Page 34
... attach themselves sometimes to the in- tegument of the larger species , as Notommata centrura , give it that ap- pearance . The Polyarthræ have long jointed filaments , like the rays of a fish's fin , attached to the sides of the body ...
... attach themselves sometimes to the in- tegument of the larger species , as Notommata centrura , give it that ap- pearance . The Polyarthræ have long jointed filaments , like the rays of a fish's fin , attached to the sides of the body ...
Page 35
... attached to the ventral integument , on the outer side of the principal longitudinal retractor muscles . In Notommata clavulata , Ehrenberg describes two radiated gan- glions in the neck ( d , d ) , superadded to the principal cerebral ...
... attached to the ventral integument , on the outer side of the principal longitudinal retractor muscles . In Notommata clavulata , Ehrenberg describes two radiated gan- glions in the neck ( d , d ) , superadded to the principal cerebral ...
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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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