The Biological bulletin (20184531230)

Title: The Biological bulletin

Identifier: biologicalbullet26mari (find matches)

Year: [1] (s)

Authors: Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983

Subjects: Biology; Zoology; Biology; Marine Biology

Publisher: Woods Hole, Mass. : Marine Biological Laboratory

Contributing Library: MBLWHOI Library

Digitizing Sponsor: MBLWHOI Library

Text Appearing Before Image:

BEHAVIOR AGREEMENT AMONG ANIMALS. 309

Text Appearing After Image:

FIG. 35. Shows the light grader in which the experiments were performed. It is in all essentials like that described by Mast fn), p. 61. A 132-watt lamp was used. The heat screen of distilled water, the gradient box and reflecting mirror are shown. FIG. 36. Shows the plan of the experiments. The light gradient was focused at the horizontal line and the rays diverged slightly as indicated by the diverging lines. G is the glass plate to confine the animals from the dark corner. .4, B, and C are the positions in which the bottomless cylinder was placed to confine the animals, before readings. The portion of the box to the right of the C was in essential darkness.

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