File:Journal of morphology (1892) (14783006325).jpg

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English:

Identifier: journalofmorphol1892wist (find matches)
Title: Journal of morphology
Year: 1892 (1890s)
Authors: Wistar Institute of Anatomy and Biology
Subjects:
Publisher: Philadelphia, Wistar Institute of Anatomy and Biology
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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Cut j8. — The head of theembryo Smooth Dogfish(^Galeus canis), seen fromthe left side. Figure drawnfrom nature, magnifiedabout 20 times. Theflask-shaped auditory vesi-cle is shown prominentlyplaced above the gill re-gion. Letters as in thepreceding figure. a.v Auditory flask. e Eye. f Fore-brain. g Gill region. h Hind-brain. m Mid-brain. n Nose.
Text Appearing After Image:
Cut ig.—The head of an older Sharkof the same species, viewed from theleft side. The figure, which wasdrawn from the living fish, showsthe internal ear well advanced in itsdevelopment. The rudiments of thesemicircular canals and lagena areseen pushing out from the auditorysac (respectively the utriculo-sac-culus, which has sunk far below thesurface, with which it is, however,still connected by its sickle-shapedductus endolymphaticus). a.v Auditory vesicle.c Anterior canal.d Ductus endolymphat-icus.e Eye.f Fore-brain.ch External canal. cp Posterior canal. / Lagena. m Mid-brain. h Hind-brain. 11 Nose. u Umbilical cord. from the sacculus, the Shark ear assumes the conditions andproportions which characterize it in the adult. The ductus en-dolymphaticus retains its connection with the exterior through-out life, and places the internal ear in communication with the No. I.) THE VERTEBRATE EAR. lyy sea-water. In many forms of Elasmobranchs the ear containsscarcely any crystals, and not unf

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https://www.flickr.com/photos/internetarchivebookimages/14783006325/

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Volume
InfoField
1892
Flickr tags
InfoField
  • bookid:journalofmorphol1892wist
  • bookyear:1892
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Wistar_Institute_of_Anatomy_and_Biology
  • bookpublisher:Philadelphia__Wistar_Institute_of_Anatomy_and_Biology
  • bookcontributor:Harvard_University__Museum_of_Comparative_Zoology__Ernst_Mayr_Library
  • booksponsor:Harvard_University__Museum_of_Comparative_Zoology__Ernst_Mayr_Library
  • bookleafnumber:187
  • bookcollection:biodiversity
  • bookcollection:Harvard_University
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
30 July 2014



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current06:20, 20 September 2015Thumbnail for version as of 06:20, 20 September 2015526 × 660 (39 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': journalofmorphol1892wist ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fjournalofmorphol1892wist%2F...

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