. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Phonoreception 485 spond either to the buzzer or to a 128 cycle tuning fork. The blenny, how- ever, responds to neither. Stetter'*'' demonstrated that minnows, golden orfe, goldfish, barbels, miller's thumbs, and catfish respond to high notes, the min- now to frequencies as high as 4000 cycles, and the catfish to frequencies as high as 13,000. With use of the conditioned response method, it was found that two frequencies about an octave apart could be remembered and distin- guished, and the best fish learned eve
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Phonoreception 485 spond either to the buzzer or to a 128 cycle tuning fork. The blenny, how- ever, responds to neither. Stetter'*'' demonstrated that minnows, golden orfe, goldfish, barbels, miller's thumbs, and catfish respond to high notes, the min- now to frequencies as high as 4000 cycles, and the catfish to frequencies as high as 13,000. With use of the conditioned response method, it was found that two frequencies about an octave apart could be remembered and distin- guished, and the best fish learned even to discriminate a minor third. Some LATERAL t /i^. Ampulla of horizontal semicircular canal Utriculus MEDIAL Nerve Utriculus^; .feT^ Sensory epithelium iM m\ .-\'f -Peripheral hairs ^/' ('• / Socculus ,/' Nerve LATERAL Sensory epithelium Peripheral hairs B. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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