EXPLANATION OF PLATES. 

 Plate V. 



AnoplocephaJa wimerosa and Anoplocephala mamiUana. 



Figs. 1-7. AnoplocephaJa wimerosa, from the European ^ronntain Hare {Leptis varia- 

 bilis). Drawn from specimens taken by R. Blanchard at Briam^on, France. 



1. Dorsal view of adult worm, No. 1.363, U.S.N.M. Enlarged about 15 times. 



Zeiss, 4-a* 10. 



2. Ventral view of head and proximal segments. Alcohol specimen. Enlarged 



about 15 times. Zeiss, 4-a* 10. 



3. Lateral view" of head and jiroximal segments. Alcohol specimen. Enlarged 



about 15 times. Zeiss, 4-a* 10. 



4. Apex view of head. Alcohol specimen. Enlarged about 15 times. Zeiss, 



4-a* 10. 



5. Isolated segments showing testicles, cirrus, and female organs. Zeiss, 1-16. 



6. Older segments with beginning uterus. Zeiss, 4-16. 



7. Egg containing oncosphere surrounded by pyriform body. Zeiss, 4-4. 



8. Anoplocephalu mamiUana, from the horse {Eqnus cahaUus) . Combined from 



Nos. 1,368-1369, U.S.N.M., taken by Hassall in London, England. Enlarged 

 about 15 times. Zeiss, 4-a* 10. 

 Drawn by Haines. 



Plate VI. 



AnoplocephaJa mamiUana and AnoplocephaJa transreraarta. 



Figs. 1-3. AnoplocephaJa mamiUana, from the Horse (Eqmis cahallits). 



1. Male organs: cJ. g., genital cloaca; ci., cirrus; p. g., genital papilla; 

 ]>. d. c, cirrus-pouch; r. s., vesicula seminalis; c. d., vas deferens; 

 <., testicles; c. e., vas efferens. After Zschokke, 1889, Pl. I, fig. 10. 

 2; Female organs: cl. g., genital cloaca; p. g., genital papilla; o. /., vulva; 

 ra., vagina; rec. s., receptaculum scminis; c. sem., seminal canal; g. e. 

 x., collecting canal for half of the ovary; </. d., common oviduct; r. df., 

 vitello-duct; gJ. r., vitellogeue gland; gl. g., ovary; gl. c, shell-gland; 

 ov. d., oviduct; iit., uterus. After Zschokke, 1889, PI. I, fig. 11. 



3. Egg with three shells. After Zschokke, 1889, PI. I, fig. 14. 

 4-7. AnoplocephaJa transrersaria from Arctomys sp. 



4. Male organs : Letters same as for fig. 1. After Zschokke, 1889, PI. I, fig. 17. 



5. Female organs: Letters same as for fig. 2. After Zschokke, 1889, PI. I, 



fig. 19. 



6. Head and proximal segments. After Zschokke, 1889, PL I,' fig. 15. 



7. Egg with three shells. After Zschokke, 18S9, PI. I, fig. 20. 



Drawn by Haines. 



Plate VII. 

 Andrya rhopaJocephaJa. 



FiG.s. 1-7. Andrya rhopaJoccpliala. from the European Hare {Lcpua timidns). 



1. Strobila with head, natural size. No. 1379, U.S.N.M. 



2. Three views of head, enlarged about 15 times. No. 1379, U.S.N.M. 

 226 



