The Daily Rhythm of Activity of the Cockroach, Blatta Orientalis L. I. Aktograph Experiments, Especially in Relation to Light
نویسنده
چکیده
IN the last few years there has been an increasing interest in animal rhythms. Various aspects of the subject have been reviewed by Szymanski (1920), Fox (1923), Hoffmann (1926), Richter (1927), AmirthaUngam (1928), Stein-Beling (1935), Scott (1936), Gunn et al. (1937), Pie'ron (1937) and Kalmus (1938a, b). This paper is concerned with the daily rhythm in the locomotory activity of the cockroach, Blatta orientaUs L. Those who are familiar with this insect in its natural haunts are agreed that it comes out and is active only at night. Can this rhythm of nocturnal activity be reproduced under experimental conditions and can it be controlled experimentally? Szymanski (1914) and Wille (1920) showed that it could be reproduced but they did not attempt to control it.
منابع مشابه
The Daily Rhythm of Activity of the Cockroach, Blatta Orientalis L. Ii. Observations and Experiments on a Natural Infestation
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