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 7
... mass of its body is made up of the organs of the vegetative function . We see here a wide convoluted alimentary canal , an enormous liver , a large ovarium and as large a testis combined with many singular accessory generative organs ...
... mass of its body is made up of the organs of the vegetative function . We see here a wide convoluted alimentary canal , an enormous liver , a large ovarium and as large a testis combined with many singular accessory generative organs ...
Page 8
... masses , subserving mastication , are consequently uncalled for . The compensation is admirably adjusted in harmony ... mass required to operate upon them , and , by their means , to crush the grain , is likewise concentrated . Thus the ...
... masses , subserving mastication , are consequently uncalled for . The compensation is admirably adjusted in harmony ... mass required to operate upon them , and , by their means , to crush the grain , is likewise concentrated . Thus the ...
Page 12
... mass of the nervous system in a median axis , consisting of the brain and spinal chord ( fig . 1. ) , situated in the dorsal aspect of the body , behind the heart and digestive system ; and in- closed in a bony or cartilaginous case ...
... mass of the nervous system in a median axis , consisting of the brain and spinal chord ( fig . 1. ) , situated in the dorsal aspect of the body , behind the heart and digestive system ; and in- closed in a bony or cartilaginous case ...
Page 24
... mass visible in an earlier state : so that here is to be recognised fissiparous generation of the kind I have described as reproducing cells . " On examining the figures given by Ehrenberg of successive genera- 14 Chlamydomonas . tions ...
... mass visible in an earlier state : so that here is to be recognised fissiparous generation of the kind I have described as reproducing cells . " On examining the figures given by Ehrenberg of successive genera- 14 Chlamydomonas . tions ...
Page 26
... mass , together with the fertilising fluid . By virtue of these diversified modes of multiplication , the powers of propagation of these diminutive organised creatures may be truly Isaid to be immense . Malthusian principles , or what ...
... mass , together with the fertilising fluid . By virtue of these diversified modes of multiplication , the powers of propagation of these diminutive organised creatures may be truly Isaid to be immense . Malthusian principles , or what ...
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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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