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THE DISC ELECTROPHORETIC SEPARATION OF PROTEINS FROM VARIOUS PARTS OF THE GUINEA PIG BRAIN 1

—Disc electrophoresis was used to study the saline‐soluble and detergent‐soluble proteins of various parts of the auditory pathway in the guinea pig brain. The five areas studied were the cochlear nucleus, olivary complex, inferior colliculus, medial geniculate and the auditory cortex. A study was also made of the proteins extracted from subcellular fractions obtained from guinea pig cerebral cortex.