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 6
... blood from that organ and propels it to the system : it is an organ for the circulation of arterial blood ; in other words , a systemic heart . The bipartite structure of the central organ of circulation , compared with lower or higher ...
... blood from that organ and propels it to the system : it is an organ for the circulation of arterial blood ; in other words , a systemic heart . The bipartite structure of the central organ of circulation , compared with lower or higher ...
Page 7
... blood which the auricle receives from the veins of the body : it is an organ for the cir- culation of venous blood ; in other words , a " pulmonic heart . " An- other question then arises , Why is the dicœlous heart in one animal ...
... blood which the auricle receives from the veins of the body : it is an organ for the cir- culation of venous blood ; in other words , a " pulmonic heart . " An- other question then arises , Why is the dicœlous heart in one animal ...
Page 11
... blood , recognising as blood only the circulating fluid , which was red coloured . His first division of animals was accordingly into Enaima and the Anaima , or the sanguineous and exsanguineous ani- mals . For a long time no advance ...
... blood , recognising as blood only the circulating fluid , which was red coloured . His first division of animals was accordingly into Enaima and the Anaima , or the sanguineous and exsanguineous ani- mals . For a long time no advance ...
Page 13
... blood is colourless , or not red ; the heart compact , muscular , and propelling the blood through a closed sys- tem of arteries and veins . The respiratory organ is never wanting ; and , with the exception of one family ( Ascidians ) ...
... blood is colourless , or not red ; the heart compact , muscular , and propelling the blood through a closed sys- tem of arteries and veins . The respiratory organ is never wanting ; and , with the exception of one family ( Ascidians ) ...
Page 14
... blood is red in one class ( Anellides ) . Most Articulata are diœcious : a few are hermaphrodites . The Radiata , or fourth primary division of animals in the system of Cuvier , is so called because most of the species comprising it ...
... blood is red in one class ( Anellides ) . Most Articulata are diœcious : a few are hermaphrodites . The Radiata , or fourth primary division of animals in the system of Cuvier , is so called because most of the species comprising it ...
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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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