Portion of ciliated bioplasm 



from the back of the tongue 



of the frog. X 700. 



^i^^ 



few cilia from the frog's tongue, showing their connection 

 ith the bioplasm which can be traced into each cilium. 

 X 2800. 



Fig. 3. 



Single cilium, with bioplasm adhering to it, and prolonged into its interior, x 500C. 



Fig. 4. 



Fig. 5. 



Ciliated epithelium. Tongue of Cilia with bioplasm from tongue of frog, x 2SCC. 



toad X 700. 



TB l , T ij of an in^ 



x 700. 



x 2800. 

 x 5000. 



[To face page 240. 



