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419. VoGT, M., /. Physiol. 86:258-263 (1936). Potassium in synaptic transmission in 

 sympathetic ganglia. 



420. Wang, G., and Lu, T., /. Kleurophysiol 7:147-162 (1943). Behavior develop- 

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421. Warden, C. J., Jenkins, T. N., and Warner, L. H., Comparative Psychology 

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422. Weel, p. B., and Thore, S., Ztschr. vergl. Physiol 23:26-33 (1936). Mechanism 

 of pupillary reaction in Octopus. 



423. Weiss, P., ]. Camp. Neurol. 67:269-315 (1937). Responses of transplanted 

 amphibian limbs. 



424. Weiss, P., Comp. Psych. Monog. 17:1-96 (1941). Review of experimental evi- 

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425. Welsh, J. H., /. Exper. Biol. 16:198-219 (1939). ACh in tissues of Carcinus. 



426. Welsh, J. H., Bull. Johns Hopkins Hosp. 83:568-579 (1948). Theories of action 

 of acetylcholine. 



427. Welsh, J. H., and Gordon, H. T., J. Cell. & Comp. Physiol. 30:147-171 (1947). 

 Mode of action of insecticides on crustacean axons. 



428. Welsh, J. H., and Haskin, H. H., Biol. Bull. 76:405-415 (1939). ACh and 

 autotomy in Crustacea. 



429. Welsh, J. H., and Hyde, J. E., ]. Neurophysiol. 7:41-49 (1944). AcetylchoUne 

 in rat brain; also Proc. Soc. Exper. Biol. & Med. 55:256-257 (1944). ACh in 

 myenteric plexus. 



430. Welsh, J. H., and Schallek, W., Physiol. Rev. 26:447-478 (1946). Review of 

 physiology of arthropod nervous systems. 



431. Wendt, G. W., Arch. Psychol. 19:1-97 (1930). Conditioning of knee-jerk, man. 



432. WiERSMA, C. A. G., Proc. Soc. Exper. Biol. & Med. 38:661-662 (1938). Function 

 of giant fibers in crayfish. 



433. WiERSMA, C. A. G., /. Neurophysiol. 10:23-38 (1947). Giant fiber function in 

 crayfish. 



434. WiNDLE, W. F., Physiology of the Fetus (1940).- Philadelphia, Saunders. 249 p. 



435. WooLARD, H. H., and Harfman, J. A., /. Anat. 73:559-562 (1939). Discon- 

 tinuity of coelenterate nerve net. 



436. WooLSEY, C. N., Fed. Proc. 6:437-441 (1947). Sensory cortex. 



437. WooLSEY, C. N., Marshall, W. H., and Bard, P., Bull. Johns Hopkins Hosp. 

 70:399-441 (1942). Sensory responses of monkey cortex. 



438. Woortmann, K., Ztschr. vergl. Physiol. 4:488-527 (1926). Function of ganglia 

 of Mytilus. 



439. Yerkes, a. W., /. Comp. Neurol. Psych. 16:441-449 (1906). Conditioning in 

 Hydroides. 



440. Yerkes, R. M., /. Anim. Behav. 2:332-352 (1912). Conditioned response in 

 earthworm. 



441. Young, J. Z., Quart. ]. Micr. Sci. 78:367-386 (1936). Giant Bber system of 

 cephalopods: 



442. Young, J. Z., /. Exper. Biol. 15:170-185 (1938). Giant nerve fiber activation of 

 squid mantle. 



443. Young, J. Z., Phil. Tr. Roy. Soc. Lond., B. 229:465-501 (1939). Gross and his- 

 tological anatomy of giant fiber system, squid. 



444. Youngstrom, K. A., J. Comp. Neurol. 68:351-379 (1938). Behavior develop- 

 ment in Anura. 



445. Zhukov, E. K., Bull. Biol. Med. Exper. Moscow 3:297-299 (1937). After-posi- 

 tivity in crab nerve. 



