PAPERS CITED. 



Bethe, a. 1903. Allgemeine Anatomic und Physiologic dcs Nervcnsystcms. Leipzig, 

 487 pp. Also Archiv fiir Gcs. Physiol., 1908, Bd. 124, p. 541; 1909, 

 Bd. 127, p. 219. 



1912. Rhythmical activity of isolated heart musclc-cclls in vitro. 

 Science, vol. 36, pp. 90-92. 



1904. The nervous origin of the heart-beat in Limulus, and the nervous 

 nature of the coordination or conduction in the heart. Amer. Jour. 

 Physiol., vol. 12, pp. 67-74. 



1907. Factors in the regeneration of a compound hydroid, Eudendrium 

 ramosum. Jour. Exper. Zool., vol. 4, pp. 317-356. 



191 1. Effect of different temperatures on the medusa Cassiopea, with 

 special reference to the rate of conduction of the nerve impulse. Papers 

 from Tortugas Laboratory of Carnegie Institution of Washington, 

 Pub. No. 132, vol. 3, pp. 29-39. 

 191 1. The development and function of voluntary and cardiac muscle in 

 embryos without nerves. Jour. Exper. Zool., vol. li, pp. 159-196. 

 Untersuchungen zur physiologischen Morphologic der Thiere. 2. Organ- 

 bildung und Wachsthum. Wiirzburg, 82 pp. 



1906. Rhythmical pulsation in Scyphomedusae. Cam. Inst. Pub., No. 

 47. 62 pp. 



Cam. Inst. Pub., No. 102, pp. 113-131. 



Cienophores of the Atlantic coast of North America. Cam. Inst. Pub., 

 No. 162, 58 pp., 17 plates. 



191 1 A. On the replacement of calcium in certain neuro-muscular mechan- 

 isms by allied substances. Jour. Physiol. Cambridge, vol. 42, pp. 

 251-266. 



The relation of the heart-beat to electrolytes and its bearing on com- 

 parative physiology. Journ. Marine Biol. Association, vol. 9, pp. 171- 

 190. 



Some observations on electrograms of the frog's heart. Proc. Cambridge 

 Phil. Soc, vol. 16, pp. 615-620. 

 OsTERHOUT, W. J. V. 1909. On the similarity in the behavior of sodium and potassium. 

 Botanical Gazette, vol. 48, pp. 98-104. 



1913- The permeability of living cells to salts in pure and balanced solutions. 



Science, vol, 34, pp. 187-189. Also Plant World, vol. 16, pp. 129-144. 

 The reactions of the vertebrate embryo to stimulation and the associ- 

 ated changes in the nervous system. Naples Mittheil., Bd. 18, pp. 535- 



581. 



1885. Jelly-fish, star- fish, and sea-urchins, being a research on primitive 



nervous systems. International Scientific Series, vol. 49. 



Burrows, M. T. 

 Carlson, A. J. 



goldfarb, a. j. 

 Harvey, E. N. 



Hooker, D. 

 LoEB, J. 1891. 

 Mayer, A. G. 



1908. 



1912. 



Mines, G. R. 



1911B. 



1912. 



Paton, S. 1907. 



Romanes, G. J. 



54 



