041 



Fig. 16. Segment mounted in glyceiine and acetic acid, sliovving 

 genital organs; ag., genital pore; df., vas deferens: 

 ov., ovary; rse., vesicula seminalis; t.. testicles; v., 

 vagina. Greatly enlarged. Monticelli. fig. 12. 



Fig. 17. .\rmed cirrus, greatly enlarged. Monticelli. fig. i:i. 



[Figs. 18-20. Amabilia lamelligera. Owen's (1S35) original 

 figures.! 



Fig. 18. Adult strO'bila, natural size. Owens fig. 21. 



Fig. 19. "Four segments of the same magnified." Owen's fig. 



Fig. 20. "Longitudinal section of 3 posterior segments, show- 

 ing the ova collected near the base of the lemniscus." 

 Owen's flg. 23. 



Plate III, Figs. 21-36. — Dicranotaenia coronula. Dicranotaenia 

 aequalbilis. Dicranotaenia furcigera. and Taenia conica. 



[Figs. 21-2S. Dicranotaenia coronula: 21-24 after Krabbe. 1860; 

 25-28 after Mrazek, 18S0.T 



Fig. 21. Anterior portilon of scolex with hooks. ,x240. After 



Krabbe, 1869. Tab. VIII, fig. 216. Host: Djmesticated 



duck. 

 Fig. 22. Isolated hook. x920. After Krabbe, 1869. Tab. VIII. fig. 



217. 

 Fig. 23. Isolated ovum with oncosphere. x240. .After Krabbe. 



Tab. VIII, 1869, fig. 218. 

 Fig.24. Isolated hook. x920. After Krabbe, 1869, Tab. VIII. fig. 



219. From Coll. Sietoold. Host: Eun>p^an goldi-n 



eye (Glaucionetta clangula). 



[Figs. 25-28. Cysticercoids from C.vpris ovum and C. com- 

 pressa. 



Fig, 25. Fully developed larva, showing the scolex invaginated 

 in the cyet; and the long tail with the 6 oncospheric 

 hooks; ex.. excretory system: h.. cuticle; cu? "pores 

 of the cuticle" or ? muscles; hp., hypodermis; p.. 

 rarenchyma of neck, with calcareous corpuscles. 

 After Mrazek. 1890. Tab. V. fig. 11. 



Fig, 26. Another view of a cysticercold. Aftpr Mrazek, 1890 

 Tab. V, fig. 12. 



Fig. 27. a-c. Isolated hooks. After Mrazek. 1890, Tab V fi.- 

 13a-c. 



41-11 



