8G8 



REPORT OF COMMISSIONER OF FISH AND FISHERIES. [150 



PLATE I. 



Dibothrium restiforme, sp. uov. 



FIG. 1. Adult strobile, from life, X H. 



FIG. 2. Lateral view of bead, from life, X 4^. 



FIG. 3. Anotber view of bead, from life, X 3. 



FIG. 4. Marginal view of bead, sbowing continuation of fossa into beginning o 

 lateral groove, from life, X 3. 



FIG. 5. Head and anterior part of body, from alcobolic specimen, X 9. 



FlG. 6. Outline of mature segments, sbowing position of uterine aperture, X 12. 



FIG. 7. Outline of same, sbowiug opposite side of strobile with genital aperture 

 X 12. 



FIG. 8. Posterior segments witb ova, from alcobolic specimen, X 30. 



FIG. 9-16. Outline of transverse sections of bead, eacb magnified about 24 diame 

 tcrs. Fig. 9, section near apex ; Figs. 10-12, sections between apex am 

 middle; Fig. 13, about middle of bead; Figs. Hand 15, between uiiddl 

 and base; Fig. 16, at base of bead bebiiid fossa;. Tbe lateral groove 

 appear at tbe margins of tbe sections. 

 All figures made by Margaret B, Liukm. 



