228 ON AUSTRALIAN ENTOZOA, 



Fig. 2. — Ovum of the same species with four hooks. 



Fig. 3. — A second ovum, probably in a more advanced stage. 



T.a:NIA FORSTERI. 



Fig. 4. — Terminal proglottides enlarged. 



Fig. 5. — Outline sketch showing the natural size. 



Fig. 6. — Head and neck enlarged. 



T^NJA CORONATA. 



Fig. 7. — Head enlarged. 



Fig. 8. — Outlines of perfect colony, natural size. 



T^NIA TUBERCULATA. 



Fig. 9. — Perfect colony of the natural size. 



Fig. 10. • — Head and neck, (enlarged) one of the many varieties 



of heads. 

 Fig. 11. — Head natural size, second variety. 

 Fig. 12. — Head much enlarged, third variety. 

 Fig. 13. — Head enlarged, fourth variety. 

 Fig. 14. — Head enlarged, fifth variety. 

 Fig. 15. — Lemniscus observed in one specimen. 

 Fig. IB. — Head much enlarged, sixth variety. 

 Fig. 17. —Proglottides with lemnisci, enlarged. 

 Fig. 18. — Head enlarged, eleventh variety. 

 Fig. 19. — Head much enlarged, seventh variety. 

 Fig. 20. — Head enlarged, eighth variety. 

 Fig. 21. — Head, natural size, ninth variety. 

 Fig. 21a. — Head, natural size, tenth variety. 



T^NIA FIMBRIATA. 



Fig. 22. — Proglottides and lemnisci (enlarged). 

 Fig. 22a. — Fragment, natural size. 



TjENIA FLAVESCENS. 



Fig. 23. — Perfect Colony, natural size. 

 Fig. 23a. — Head, much enlarged. 

 Fig. 236. — Terminal proglottides. 



