. A course in invertebrate zoölogy : a guide to the dissection and comparative study of invertebrate animals. Zoology; Invertebrates. Marvels of Pond-Life. 45 to the glass, when the wheels were protruded, and the body swayed to and fro. Then the sucker action ceased, and as the creature swam away, a tuft of cilia was thrust out from the extremity of the tail. A power of one hundred linear was sufficient to enable the general nature of this beautiful object to be observed, but to bring out the details, much greater amplification. 450 Pterodina patina—gizzard. was required, and this would be use
. A course in invertebrate zoölogy : a guide to the dissection and comparative study of invertebrate animals. Zoology; Invertebrates. Marvels of Pond-Life. 45 to the glass, when the wheels were protruded, and the body swayed to and fro. Then the sucker action ceased, and as the creature swam away, a tuft of cilia was thrust out from the extremity of the tail. A power of one hundred linear was sufficient to enable the general nature of this beautiful object to be observed, but to bring out the details, much greater amplification. 450 Pterodina patina—gizzard. was required, and this would be useless if the little fidget could not be kept still. The size of the creature, whose name we may as well mention was Pterodina patina, rendered this practicable, but required some care. The longest diameter of the body, which was not quite round, was about 1—120", so that it was visible to the naked eye, and as a good many were swimming together, one could be captured without much difficulty, and transferred with a very small drop of water to the live-box. Then the cover. 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 Pratt, Henry Sherring, b. 1859. Boston ; London : Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
