574 Comparative Animal Physiology 



185. Straub, W., Pfliig. Arch. ges. Physiol. 103:429-449. (1904). Dynamics of 

 circulation in Aplysia. ^ „, , r i 



186. Stubl, H., Pfliig. Arch. ges. Physiol. 129:1-34 (1909). Rhythm of earthworm 

 pulsating vessels. ^ t,, , r 



187. Takatsuki, S., Sci. Rep. Tohoku Univ., Ser. IV, 8:21-29 (1933). Physiology of 



188. TaTlor^l'r., and Walzl, E. M., /. Cell. & Comp. Physiol. 18:278-280 (1941). 

 Electrocardiogram of oyster. 



189. Ten Gate, J., Arch. Neerl. Physiol. 8:43-84 (1923). Physiology and pharma- 

 cology of Anodonta heart. 



190. Ten Gate, J., Ztschr. vergl. Physiol. 10:309-316 (1929). Electrical stimulation, 

 heart of mussel. 



191. Trigt, H. v., Ztschr. Biol. 62:217-242 (1913). Electrocardiogram of eel. 



192. Uexkull, J. v., Ztschr. Biol. 44:269-344(1903). Hydrostatic pressures in Sipun- 



culus. 



193. Ungar, G., C. R. Soc. Biol. Paris 123:1065-1067 (1936). Evidence for tyraminic 

 nerves in cephalopods. 



194. Ungar, G., and Zerling, M. P., C. R. Soc. Biol. Paris 120:754-756 (1935). 

 Humoral basis of cardiac regulation in cephalopods. 



195. Vincent, D., and Jullien, A., C. R. Soc. Biol. Paris 127:631-632 (1938). Gho- 

 linesterase in hearts. 



196. Wait, R. B., Biol. BmIL 85:79-85 (1945). Acetylcholine on Venus heart. 



197. Walling, L. V., Kansas Univ. Sci. Bull. 4:359-367 (1908). Histology of grass- 

 hopper heart. 



198. Walzl, E. M., Physiol. ZooL 10:125-140(1937). Ions on oyster heart. 



199. Waterman, A. J., Physiol. Zool 15:61-74 (1942). Drugs on heart of ascidian, 

 Perophora. 



201. Wells, G. P., J. Exper. Biol. 5:258-282(1928.) Electrolytes on Maja heart. 



202. Welsh, J. H., /. Exper. Biol. 16:198-219 (1939). Acetylcholine on decapod 

 hearts. 



203. Welsh, J. H., Physiol. Zool. 12:231-237 (1939). Acetylchohne and adrenahn 

 on Panulirus heart. 



204. Welsh, J. H., /. Cell. & Comp. Physiol. 19:271-279 (1942). Acetylchohne on 

 heart, Homarus and Garcinides. 



205. WiERSMA, G. A. G., and Novitski, E., /. Exper. Biol. 19:255-265 (1942). 

 Nervous regulation of crayfish heart. 



206. Wigglesworth, V., The Principles of Insect Physiology (1939). London, 

 Methuen. 434 p. Gh. X. The circulatory system; types and attachment of insect 

 hearts. 



207. Willems, H. p. A., Ztschr. vergl. Physiol. 17:1-100 (1932). Automaticity and 

 electrocardiogram, Helix. 



208. Wolf, E., /. Gen. Physiol. 16:89-98 (1932). Temperature on heart of Giona. 



209. Woolard, H. H., /. Anat. 60:345-373 (1926). Innervation of vertebrate heart. 



210. Wu, G. H., and Visscher, M. B., Fed. Proc. 6:231 (1947). Blood pressure in 

 mouse. 



211. Wyman, E.G., and Lutz, B. R., Biol. Btdl. 62:17-22 (1932). Adrenalin on 

 blood pressure of dogfish, Squalus. 



212. Yazaki, M., Sci. Rep. Tohoku Univ., Ser. IV, 5:403-414 (1930). Girculation and 

 pressure in holothurian, Gaudina. 



213. Yeager, J. F., ;. Agr. Res. 59:121-137 (1939). Electrical stimulation of cock- 

 roach heart. 



214. Yeager, J. F., and Gaham, J. B., /. Agr. Res. 55:1-19 (1937). Nicotine on 

 heart, Periplaneta. 



215. Yeager, J. F., and Tauber, O. E., Ann. Ent. Soc. Amer. 25:315-327 (1932). 

 Blood volume, Periplaneta. 



216. Young, J. Z., Quart. J. Micr. Sci. 75:571-624 (1933). Autonomic nervous sys- 

 tem of selachians. 



217. Yung, E., Arch. Exper. Zool. 9:421-444 (1881). Drugs on moUuscan hearts. 



