. A laboratory guide for beginners in zoology. Laboratory animals. rr T T' r 11 -i. t ;i. The Hydra. Magnified. Bring in from various situations in ponds or sluggish streams small quantities of water-weeds, — as Nitella, Spirogyra, or Vaucheria, — collecting them with a small quantity of water in jars or cans, and labelling each so as to know where it came from. Place the material of each collection in a jar of clear water near a window, and let it stand for a day or two. Then examine the jar carefully, especially the sides near the window, for hydras. In this a reading glass is very hel
. A laboratory guide for beginners in zoology. Laboratory animals. rr T T' r 11 -i. t ;i. The Hydra. Magnified. Bring in from various situations in ponds or sluggish streams small quantities of water-weeds, — as Nitella, Spirogyra, or Vaucheria, — collecting them with a small quantity of water in jars or cans, and labelling each so as to know where it came from. Place the material of each collection in a jar of clear water near a window, and let it stand for a day or two. Then examine the jar carefully, especially the sides near the window, for hydras. In this a reading glass is very helpful. In case hydras are found. 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 Weed, Clarence Moores, 1864-1947; Crossman, Ralph Wallace, 1874- joint author. Boston, D. C. Heath & Co.
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License: Licensed
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Keywords: ., bookauthorweedclar, bookcentury1900, bookdecade1900, bookyear1902
