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 45
... tunic of the acephalocyst is usually studded with more or less numerous and minute globules of a clear substance ( c ) , analogous to the " hyaline , " whose remarkable properties in reproductive cells , Dr. Barry has recently described ...
... tunic of the acephalocyst is usually studded with more or less numerous and minute globules of a clear substance ( c ) , analogous to the " hyaline , " whose remarkable properties in reproductive cells , Dr. Barry has recently described ...
Page 58
... tunic , and after- wards a yellow colour , which becomes deeper as they approach the vulva . 28 The Distoma lanceolatum ( fig . 28. ) has been regarded as the young a of the Distoma hepaticum ; but it is of a different form , has a ...
... tunic , and after- wards a yellow colour , which becomes deeper as they approach the vulva . 28 The Distoma lanceolatum ( fig . 28. ) has been regarded as the young a of the Distoma hepaticum ; but it is of a different form , has a ...
Page 61
... tunic , and are continued to the posterior extremity of the body , where they terminate in blind ends ; and two shorter cylindrical cœca are continued backwards from near the mouth , and are freely suspended in the anterior part of the ...
... tunic , and are continued to the posterior extremity of the body , where they terminate in blind ends ; and two shorter cylindrical cœca are continued backwards from near the mouth , and are freely suspended in the anterior part of the ...
Page 70
... tunics of the stomach of a tiger . * The mouth of this Entozoon is a vertical fissure , bounded on each side by a jaw - like lip , the anterior margin of which is produced in the form of three straight horny points . The secerning tubes ...
... tunics of the stomach of a tiger . * The mouth of this Entozoon is a vertical fissure , bounded on each side by a jaw - like lip , the anterior margin of which is produced in the form of three straight horny points . The secerning tubes ...
Page 156
... tunic is strengthened by five calcareous bars , two at the ventral fissure , giving outlet to the arms , two along the terminal margin of the tunic , and one along the dorsal aspect . In the common Barnacle ( Lepas anatifera ) the ...
... tunic is strengthened by five calcareous bars , two at the ventral fissure , giving outlet to the arms , two along the terminal margin of the tunic , and one along the dorsal aspect . In the common Barnacle ( Lepas anatifera ) 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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