Laboratory Directions for An Elementary Course in General Zoology
Laboratory Directions for An Elementary Course in General Zoology
Harley Jones Van Cleave
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Any definite position in the body? In which body layer? Source of its contents? Nature of its contents? What becomes of the contents when a vacuole disappears? Notes required. AMOEBA 39 NUCLEUS. Find in living specimen. Describe its appearance. Does its form change? Does its position change? Is there more than one nucleus? Notes required. Make a careful drawing 100 mm. In diameter, of the living Amoeba under the high power, labeling all parts. Stipple one pseudopodium to show structure of endop...lasm and its inclusions and in addition show structure of other important parts such as nucleus and vacuoles which may not be included in this pseudo- podium. In the remainder of the body indicate division between ectoplasm and endoplasm by a dotted line. With the aid of ocular micrometer find the approximate size of an Amoeba (see page 36, section 6). 4. EXPERIMENTS. Notes required. (1) Object: to determine the effect of a mechanical stimu- lus upon an Amoeba. Clamp slide firmly to stage and gently tap the cover glass with a needle.
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