888 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [170] 



PLATE XI. 

 Rhynchobothrium bulbifer Lt. 



FIG. 1. One view of proboscis, from youug specimen, X about 400. 

 FIG. 2. Principal forms of larger booklets, X about 400. 



NOTE. For additional figures of this species see TJ. S. Fish Commission Report for 

 1886, p. 508, Plate v. Figs. 17 and 18, under R. tenuicolle. 



Rhynchobothrium lumidulum, sp. nov. 



FIG. 3. Strobile, from life, X 15. 



FIG. 4. Lateral view of bead of same, botbria directed forward, from life. 



FIG. 5. Top of bead of same, from life ; tbe botbria are not usually so strongly ernar- 



giuate in alcobolic specimens. 

 FIG. 6. Lateral view of bead at rest ; from life. 

 FIG. 7. Proboscis, at base, X about 400. 

 FIG. 8. One view of proboscis aborit the middle, x about 400. 

 FIG. 9. Anotber view of proboscis near tbe middle, X about 400. 

 FIG. 10. Embryo(?). from life, X about 200. 

 FIG. 11. Enibryo(f), from alcobolic specimen, X about 200. 



lihynchobothriiim hispidum, sp. nov. 



FIG. 12. Strobile, outline from life, some of tbe details supplied from alcobolic spec- 

 imen, X 45. 



FiG. 13. Strobile, from life, X 30. 



FIG. 14. Outline of bead, botbria directed forward ; from life. 

 FK;. 15. One view of proboscis, middle, X about 400. 

 FIG. 16. Anotber view, near middle, X about 400. 

 FiG. 17. Mature segment, from alcobolic specimen, X 27. 



s Rhyncliobolhrium longispine, sp. nov. 



FiG. 18. Head and neck, from alcobolic specimen, X 27. 

 FIG. 19. One view of proboscis, X about 400. 

 FIG. 20. Anotber view of proboscis, X about 400. 

 All tbe figures made by Margaret B. Linton. 





