Louis de Geer
نویسندگان
چکیده
منابع مشابه
Eye movements in Daphnia pulex (De Geer).
1. The various types of eye movement exhibited by the cyclopean eye of Daphnia pulex were studied using high speed motion photography. 2. This rudimentary eye, which consists of only 22 ommatidia, can move through approximately 150 degrees in the sagittal plane and 60 degrees in the horizontal plane. 3. Four classes of eye movement were found: (1) a high speed tremor at 16 Hz with an amplitude ...
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ژورنال
عنوان ژورنال: The English Historical Review
سال: 1891
ISSN: 0013-8266,1477-4534
DOI: 10.1093/ehr/vi.xxiv.685