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 26
... male organs ; and consists of a number of minute corpuscules , or nucleated cells , connected together in a reticulate form , generally of a green or pink , or some other bright colour , in well - fed healthy Po- lygastria . The act of ...
... male organs ; and consists of a number of minute corpuscules , or nucleated cells , connected together in a reticulate form , generally of a green or pink , or some other bright colour , in well - fed healthy Po- lygastria . The act of ...
Page 31
... male glands , vesiculæ seminales , and reticulated ovaria ; with normal reproductive organs almost as complicated as in the snail , which has no other mode of generation than by fertile ova ? I am apt to think that the fissiparous ...
... male glands , vesiculæ seminales , and reticulated ovaria ; with normal reproductive organs almost as complicated as in the snail , which has no other mode of generation than by fertile ova ? I am apt to think that the fissiparous ...
Page 37
... male apparatus is thus manifested under its most simple form , as a single tubulus in each testis , in these small animals . The singleness of the vesicula , which is characterised by the same remarkable irritability as the two ...
... male apparatus is thus manifested under its most simple form , as a single tubulus in each testis , in these small animals . The singleness of the vesicula , which is characterised by the same remarkable irritability as the two ...
Page 49
... male organs . The parts of the male apparatus which have at pre- sent been recognised , consist of a small pyriform vesicle ( fig . 22 , b ) , situated near the middle of the posterior margin of the segment ; this , E however , is most ...
... male organs . The parts of the male apparatus which have at pre- sent been recognised , consist of a small pyriform vesicle ( fig . 22 , b ) , situated near the middle of the posterior margin of the segment ; this , E however , is most ...
Page 52
... uterus before its final termination at the vulva or pore , which is behind the male opening . The glands just alluded to form a stratum next Prep . No. 846. A. beneath the skin at the sides of the joints . 52 LECTURE IV .
... uterus before its final termination at the vulva or pore , which is behind the male opening . The glands just alluded to form a stratum next Prep . No. 846. A. beneath the skin at the sides of the joints . 52 LECTURE IV .
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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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