NERVE RESPONSE— BROOKS 263 



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3. Granit, R. : Receptors and sensory perception, New Haven, Yale Univ. Press, 1955. 



4. Koizumi, K. : Studies of tetanus and hyperresponsiveness of the mammalian spinal cord pro- 



duced hy strychnine, guanidine and cold, Amer. J. Physiol. 1S3: 35, 1955 



5. Koizumi, K., Malcolm, J. L., and Brooks, C. McC. : Effect of temperature on facilitation and 



inliibition of reflex activity, Amer. J. Physiol. 179: 507, 1954. 



