892 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [174] 



PLATE XIII. 



Mhynchobothrium lomentaceum Diesing. 



Fig. 1. Head and neck, from life, X 4£. 

 Fig. 2. Fragment of strobile, from life, X 4£. 

 Fig. 3. Part of proboscis, X about 200. 



Ehynchobothrium longicorne, sp. nov. 



Fig. 4. Head and neck, from alcoholic specimens, X 12. 



Fig. 5. Posterior segments, from alcoholic specimens, X 4£. 



Fig. 6. Tumid base of proboscis, X about 200. 



Fig. 7. Middle of proboscis, X about 200. 



Fig. 8. Proboscis near apex, X about 200. 



Otobothrium crenacolle, gen. et sp. nov. 



Fig. 9. Strobile, outline from life, details of last segment supplied from alcoholic 



specimen, X 30. 

 Fig. 10. Lateral view of head, from life, bothria appressed in front, X 54. 

 Fig. 11. Another view, from life, bothria separated in front, X 54. 

 Fig. 12. Otosac, retracted and forming a ciliated pit, from alcoholic specimen, X 



200. 

 Fig. 13. Otosac, everted and forming a ciliated papilla. 

 Fig. 14. Proboscis near base, X about 900. The small hooklets are not always easily 



seen. 

 Fig. 15. Proboscis, usual appearance, X about 900. 

 All the figures made by Margaret B. Linton. 



