. Elementary text-book of zoology. Note chord. Blastopore Neurenteric Canal. Notochord. Neural Tube. Anterior Meso- blastic Sac. I Collar-sac, followed by the Mesoblastic Somites. Blastula. B. Gastrula. C, Completed Gastrula. D, Commencing Neural Tube. E and F, Lateral view of later chordula stages. (After Hatschek.). 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 Masterman, Arthur Thomas. Edinburgh, E. & S. Livingston

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. Elementary text-book of zoology. Note chord. Blastopore Neurenteric Canal. Notochord. Neural Tube. Anterior Meso- blastic Sac. I Collar-sac, followed by the Mesoblastic Somites. Blastula. B. Gastrula. C, Completed Gastrula. D, Commencing Neural Tube. E and F, Lateral view of later chordula stages. (After Hatschek.). 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 Masterman, Arthur Thomas. Edinburgh, E. & S. Livingstone

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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1900, bookyear1902