No. 474] 



REACTIONS OF TUBULARIA 



407 



BIBLIOGRAPHY 



'62. 'contributions to the Natural History of the United States of 

 America. Boston, 4°, vol.4, viii + 380+12 pp., pis. 20-35. 

 Allman, G. J. 



71-72. A Monograph of the (iymnoblastie or Tubularian Hydroids 

 London, 4°, xxiv + 450 pp., 23 pis. 

 Mast, S. O. 



Fresh-water Planarians. Anur.^Jour. Phj.noL, mA.' U). un. 4, 

 pp. 165-190. 

 Nutting, C. C. 



:01. The Hydroids of the Woods Hole Region. Hull, i . S. Fi.h 

 Comm., vol. 19, 1899, pp. 325-380, 105 figs. 

 Parker, G. H. 



'96. The Reactions of Metridium to Fov)d and other Substances. 

 Bull. MuH. Camp. Zool. Harvard College, vol. 29, no. 2, pp. 

 109-119. 

 TORREY, H. B. 



ment^ Jour. Exp Zool., 'vol 1, no. 3, pp. 395-422, 5 figs. 

 Yerkes, R. M. 



:02*. A Contribution to the Physiology of the Nervous System of 

 the Medusa Gonvmemus murbac'hii. Part I.— The Sensory 

 Reactions of Gonionemus. Amcr. Jour. Physiol, vol. 6, pp. 



