232 ON AUSTRALIAN ENTOZOA. 



Fig. 25. — Young colony, much enlarged (the most common 



form) . 

 Fig. 25«. — The same colony, natural size. 



Fig. 26. — A second variety of a young colony, of the natural size. 

 Fig. 26a. — The same, much enlarged. 



Fig. 27. — A third variety of a young colony of the natural size. 

 Fig. 27a.- — The same, much enlarged. 



T^NIA NOViE-HOLLANDIJ!. 



Fig. 28. — Head, much enlarged. 



Fig. 28a.— Perfect colony, outline sketch, natural size. 



P.S. — It may be of interest to know that the number of fowls, constantly 

 feeding on some of the Taenia which escaped during the cleaning process, did 

 not suffer in consequence. Some killed at various times, by way of experi- 

 ment, were totally free from worms. 



