Plate 2. 



Fig. 4. Dmohothrium plicituvi. Anterior end of a bothrium, in balsam; breadth, 

 1.25 mm.; as, anterior shelf-like projection ; bf, lateral appendage ; ps, posterior 

 shelf-like projection ; .<?, auxiliary sucker. 



Fig. 5. Dinobithrium plicitum. 



A. Transverse section of scolex. Shorter diameter, 1.20 mm. 



B. Transverse section of bothrium, more highly magnified, showing ganglion 



cells. Thickness of bothrium, 0.18 mm. 

 For explanation of lettering see p. 9. 

 Fio. 6. Dinobothrium plicitura. Transverse section of pro(?Iottis near scolex. Longer 

 diameter, 1.20 mm. For explanation of lettering, see p. 9. 



11 



