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



PLATE VIII. 



Acanthobothrium pantiim, 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 27. 



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. 



Platylothrium cervintim, gen. et ep. nov. 



FIG. 8. Head and neck of living specimen nfter it had lain iu sea-water an hour ox- 

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

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



FIG. 10. Set of hooks belonging to a single bothriuin, X about 200. 

 All the figures made by Margaret B. Linton. . 



