882 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [164] 



PLATE VIII. 



Acanthobothrium paulum, sp. nov. 



Fig. 1. Outline of strobile, from life, x 15. 



Fig. 2. Head of same at rest, X 24. 



Fig. 3. Same with one pair of bothria thrust forward, X °7. 



Fig. 4. Head of alcoholic specimen, X 40. 



Fig. 5. Hooks of a single bothrium with a part of the musculature, X about 200. 



Fig. 6. Posterior segment with everted cirrus, from alcoholic specimen, X 27. 



Fig. 7. Cirrus, X about 200. 



Platybothrium cervinum, gen. et ep. nov. 



Fig. 8. Head and neck of living specimen after it had lain in sea-water an hour oi- 



more. The head was very flat and thin, and semi-transparent, X 58. 

 Fig. 9. Posterior segments, in glycerine, X 40. 

 Fig. 10. Set of hooks belonging to a single bothrium, X about 200. 

 All the figures made by Margaret B. Linton. 



