Elements of Comparative Zoology
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In our eReader you can find the full English version of the book. Read Elements of Comparative Zoology Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elements of Comparative Zoology
What reading level is Elements of Comparative Zoology book?
To quickly assess the difficulty of the text, read a short excerpt:
Look at the very tip of the arm, and find the rounded red eye-spot (recognized with difiiculty in pre- served material).
Internal Stkuctuke.
Cut into the side of one of the arms, carrying the inci- sion outward to near the tip, crossing to the opposite side and then hack towards but not quite to the disc. Fold back the flap thus separated, and notice the following struc- tures : Attached to the aboral surface the lobular hepatic caeca, each supported by a thin membrane (mesentery).
On the floor... (oral surface) a series of thin-walled vesicles, the ampullae. By means of a needle ascertain if these am- pullae are connected with the ambulacra.
Continue the removal of the aboral surface from the rest of the body, taking care that all soft parts are separated from it and left in the oral portion, and that the portion immediately around the madreporite be left intact, and that one arm be left untouched. Now find on the aboral sur- face of each hepatic caecum the hepatic duct. Trace these ducts inward until they enter a saccular structure, the pyloric part of the stomach.
What to read after Elements of Comparative Zoology?
You can find similar books in the "Read Also" column, or choose other free books by J S John Sterling Kingsley to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Look at the very tip of the arm, and find the rounded red eye-spot (recognized with difiiculty in pre- served material).
Internal Stkuctuke.
Cut into the side of one of the arms, carrying the inci- sion outward to near the tip, crossing to the opposite side and then hack towards but not quite to the disc. Fold back the flap thus separated, and notice the following struc- tures : Attached to the aboral surface the lobular hepatic caeca, each supported by a thin membrane (mesentery).
On the floor... (oral surface) a series of thin-walled vesicles, the ampullae. By means of a needle ascertain if these am- pullae are connected with the ambulacra.
Continue the removal of the aboral surface from the rest of the body, taking care that all soft parts are separated from it and left in the oral portion, and that the portion immediately around the madreporite be left intact, and that one arm be left untouched. Now find on the aboral sur- face of each hepatic caecum the hepatic duct. Trace these ducts inward until they enter a saccular structure, the pyloric part of the stomach.
What to read after Elements of Comparative Zoology?
You can find similar books in the "Read Also" column, or choose other free books by J S John Sterling Kingsley to read onlineMoreLess
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