EXPLANATION OF PLATES. 

 PLATE V. 



Anoplocepkala wimerosa and Anoplocephala mamillana. 



FIGS. 1-7. Anoplocephala wimerosa, from the European Mountain Hare (Lepus varia- 

 bilis). Drawn from specimens taken by R. Blanchard at Briancon, France. 



1. Dorsal view of adult worm, No. 1363, 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 proximal 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, 4-16. 



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



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



8. Anoplocephala mamillana, from the horse (Equus caballus) . Combined from 



Nos. 1368-1369, U.S.N.M., taken by Hassall in London, England. Enlarged 

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

 Drawn by Haines. 



PLATE VI. 

 Anoplocephala mamillana and Anoplocephala transversaria. 



FIGS. 1-3. Anoplocephala mamillana, from the Horse (Equus cabanas'). 



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



p. d. c., cirrus-pouch; v. 8., vesicula seminalis; c. d., vas deferens; 

 t., testicles; c. e., vas efferens. After Zschokke, 1889, PI. I, fig. 10. 



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



va., vagina; rec. s., receptaculum seminis; c. sew., seminal canal; g. e. 

 x.j collecting canal for half of the ovary ; g. d., common oviduct; v. dt., 

 vitello-duct; gl. v., vitellogene gland; gl. g., ovary; gl. c., shell-gland; 

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



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

 4-7. Anoplocephala 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, PI. I, fig. 15. 



7. Egg with three shells. After Zschokke, 1889, PL I, fig. 20. 



Drawn by Haines. 



PLATE VII. 

 Andrya rhopalocephala. 



FIGS. 1-7. Andrya rhopalocephala, from the European Hare (Lepus 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. 

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