1 62 Herbert Eugene Walter 



Woodworth, W. McM., '97 — Contributions to the Morphology of the Turbel- 



laria: II. On some Turbellaria from Illinois. Bull. Mus. Comp. 



Zool. Harvard Coll., vol. xxxi, pp. 1— 16, pi. I. 

 Yerkes, R. M., '99 — Reaction of Entomostraca to Stimulation by Light. Amer. 



Jour. Physiol., vol. iii, no. 4, pp. 157-182. 

 '03. — A Study of the Reactions and Reaction Time of the Medusa 



Gonionema Murbachii to Photic Stimuli. Amer. Jour. Physiol., 



vol. ix, no. 5, pp. 279-307. 

 Zeleny, C, '05 — The Rearing of Serpulid Larvae with Notes on the Behavior of 



the Young Animals Biol. Bull., vol. viii, no. 5, p. 308. 



