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Investigated whether male moths of the Bombicidae are guided by the sense of smell when they, on emerging, immediately seek out the female. The immediate behavior of 200 cocoons of Bombix mori were observed, which were kept in a big pasteboard box at a constant temperature of 15 ° C. A record...
Presents a note on the suckling reflexes of a cat into its adult life. Two cases are presented. The first case is that of an adult male cat, 2 yrs of age, who persisted in sucking at the fur and skin of other cats. The S was observed as first thoroughly wetting the companion cat's throat, and...
Investigated the brooding instinct through material collected at a poultry plant. A record of the eggs laid and dates of the hen been confined for broodiness was maintained for 850 barred Plymouth rock pullets. Criteria for identifying broodiness consisted of continued sitting on the nest,...
Studied the factors determining the movements of a common fresh water entomostracean, by studying adult Daphnia pulex. The Ss were kept in jars filled with water where they were collected. Phototaxis, geotaxis and locomotor activity were observed. Each movement was studied in relation to light...
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