V PLATYHELMINTHES 113 



89 B) appear over the region occupied by the apical cells of the 



Fig. 89. — A, dorsal, and B, vtiitral views of larva of Yimgia aurantiaca in which 



metamorphosis is Vjeginning. (After Lang.) 



oc, eyespots. 



oc 



Fig. 90. — A, dorsal, and B, ventral views of larva of Tungia aurantiaca in which 

 metamorphosis is almost complete. 



embryo, and the ciliated lobes become less and less prominent 

 VOL. I I 



