502 



H. S. Jennings and George T. Hargitt. 



Figures 1-11 are from sections, and are drawn with the aid of the Abbe cam- 

 era lucida. 



Fig. 1. Individual of race i. Micro-nucleus in resting condition. X 536. 



Fig. 2. Individual of race k. Micro-nuclei in resting condition. X 536. 



Fig. 3. Individual of race c. The micro-nuclei are preparing for division. X 536. 



Fig. 4. Individual of race C2. The micro-nuclei have completed their division 

 and the cell body is beginning to divide. A portion of one micro-nucleus and the 

 meganucleus are added from a second section. X 536. 



Fig. 5. Individual of race D. The micro-nucleus is preparing for division. 

 X 536. 



Fig. 6. Individual of race L2. The micro-nucleus is undergoing division. X 536. 



