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 35
... maxillæ are each bent upon themselves at a right , or , rather , acute angle ; the transverse or dental part , which beats upon the surface of the anvil , being divided into two or more sharp spines . The muscles which work these dental ...
... maxillæ are each bent upon themselves at a right , or , rather , acute angle ; the transverse or dental part , which beats upon the surface of the anvil , being divided into two or more sharp spines . The muscles which work these dental ...
Page 152
... maxillæ , the latter provided with palpi ; and besides these , a pair of jointed antennæ ( fig . 81 . a ) , each terminated by three setæ . The hepatic organ ( e ) is more concentrated than in the Peniculus , and surrounds the anterior ...
... maxillæ , the latter provided with palpi ; and besides these , a pair of jointed antennæ ( fig . 81 . a ) , each terminated by three setæ . The hepatic organ ( e ) is more concentrated than in the Peniculus , and surrounds the anterior ...
Page 177
... maxillæ and mandibles at the sides ; the mandibles are the legs or jointed appendages of the fourth cephalic segment ... maxillary plate is armed with teeth : the fifth and last pair of jaws has the maxillary plate so much expanded as to ...
... maxillæ and mandibles at the sides ; the mandibles are the legs or jointed appendages of the fourth cephalic segment ... maxillary plate is armed with teeth : the fifth and last pair of jaws has the maxillary plate so much expanded as to ...
Page 180
... maxillæ and legs to a series of inferior lateral sinuses at the bases of the branchia ; from these sinuses it passes , by vessels per- forming the office of branchial arteries along the outer margin of the gill , and after being ...
... maxillæ and legs to a series of inferior lateral sinuses at the bases of the branchia ; from these sinuses it passes , by vessels per- forming the office of branchial arteries along the outer margin of the gill , and after being ...
Page 188
... maxillæ ; these , therefore , are retained in the service of manducation by an arrest of develop- ment . The ambulatory legs increase inversely with respect to the maxillæ , the anterior ( fig . 93 , h 1. ) soon acquiring four times the ...
... maxillæ ; these , therefore , are retained in the service of manducation by an arrest of develop- ment . The ambulatory legs increase inversely with respect to the maxillæ , the anterior ( fig . 93 , h 1. ) soon acquiring four times 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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