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Herbert Eugene Walter 



the light, as well as the opposite side — its wanderings were in the 

 main on the side away from the light. An hour's activity is chron- 

 icled in the record, at the close of which the worm was apparently 

 as energetic as ever. 



Fig. 14 Planari 

 (Fig. 13), and is eas 



a gonocephala. The path is of the same generic type as with Planaria maculata 

 ly distinguishable from those of Dendrocoelum, Phagocata and Bdelloura. 



Fig. 12 gives a characteristic record of the way in which Bdel- 

 loura behaves. The first movement of this specimen was more 



