Wikimedia Commons

File:A monograph on the development of elasmobranch fishes (1878) (14785187463).jpg

Original file ‎(2,252 × 3,672 pixels, file size: 427 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

edit
Description
English: Embryo of Pristiurus (=genus Galeus), except G. genus Torpedo

Identifier: monographondevel00balf (find matches)
Title: A monograph on the development of elasmobranch fishes
Year: 1878 (1870s)
Authors: Balfour, Francis M. (Francis Maitland), 1851-1882
Subjects: Fishes -- Embryology Chondrichthyes
Publisher: London :
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
y canal from the nuclei of the yolk. 10 c shows the disappearance of the medullary groove and thethinning out of the mesoblast plates in the region of the head. 11. Small portion of the blastoderm and the subjacent volk of anembryo at the time of the first appearance of the medullary gi-oove x 300.It shows two large nuclei of the yolk iii) and the protoplasmic network inthe yolk between them ; the network is seen to be closer round the nucleithan m the intervening space. There are no areas representino- cellsaround the nuclei. ° 12. Nucleus of the yolk in connection with tlie protoplasmic networkhardened in osmic acid. 13. Portion of posterior end of a blastoderm of stage B, showing theformation of cells around the nuclei of the yolk. ^ 14. Section through part of a voung Scvllium e^g, about r-th of a-^inch in diameter. n. I. protoplasmic network in yolk. ^.p. zona pellucida. ch. structureless chorion. /: ep. follicular epithelium. X. structureless membrane external to this. VI /V 17
Text Appearing After Image:
Cooper i Hodson. Lith \Sii. blrand.LondonAVr. EXPLANATION OF PLATE VL s. c. segmentation cavity. es. embryo-swelling. 7ng. medullary groove. fs. tail-swelling. h. head. ch. notochord. op. eye. au. r. auditoiy vesicle. al. alimentary canity. so. s. somatic stalk. I. r. r. 1st visceral cleft. re. visceral cleft. 7np. muscle-plate or protover-tebrae. m. mouth. an. point where anus will appear. al. v. alimentary vesicle at the pos-terior end of the alimentarycanal. lit. heart. A. Surface view of blastoderm of Pristiurus hardened in chromic acid. B. Surface view of fresh blastoderm of Pristiurus. C. D, E, and F. Pristiurus embryos hardened in chromic acid.G. Torpedo embryo viewed as a transparent object. H, 1. Pristiurus embryos viewed as transparent objects. Y/! n VII.

Note About Images

Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Date
Source

https://www.flickr.com/photos/internetarchivebookimages/14785187463/

Author Balfour, Francis M. (Francis Maitland), 1851-1882
Permission
(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:monographondevel00balf
  • bookyear:1878
  • bookdecade:1870
  • bookcentury:1800
  • bookauthor:Balfour__Francis_M___Francis_Maitland___1851_1882
  • booksubject:Fishes____Embryology
  • booksubject:Chondrichthyes
  • bookpublisher:London__
  • bookcontributor:Harvard_University__Museum_of_Comparative_Zoology__Ernst_Mayr_Library
  • booksponsor:Harvard_University__Museum_of_Comparative_Zoology__Ernst_Mayr_Library
  • bookleafnumber:325
  • bookcollection:biodiversity
  • bookcollection:Harvard_University
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
28 July 2014


Licensing

edit
This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
  1. The copyright is in the public domain because it has expired;
  2. The copyright was injected into the public domain for other reasons, such as failure to adhere to required formalities or conditions;
  3. The institution owns the copyright but is not interested in exercising control; or
  4. The institution has legal rights sufficient to authorize others to use the work without restrictions.

More information can be found at https://flickr.com/commons/usage/.

Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information.
This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14785187463. It was reviewed on 8 October 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

8 October 2015

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current06:28, 8 October 2015Thumbnail for version as of 06:28, 8 October 20152,252 × 3,672 (427 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': monographondevel00balf ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fmonographondevel00balf%2F fin...

You cannot overwrite this file.

There are no pages that use this file.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:A_monograph_on_the_development_of_elasmobranch_fishes_(1878)_(14785187463).jpg&oldid=888016919"