PLATE 19. 



Figs. 1-3, 5,6, 9. Lophomonia spinilit;. X 3.5; Figs. 4. 7, S, lO-l.^. Horpomenina platypoda. X 60. 



Figs. 1, 2, cro.ss sec.lioii.s of much curved spociim-u (if Lophoincnia spiralis. X 4.5. 

 Fig. 3. Section behind pharynx. 



Figs. 5, 6, 9 (same species) correspond to lines B, C, A, tig. (i, i)l. S. 



Figs. 4, 7, .S, cross .sections of Herponienia platypoda along lines A, C, l'> in lig. 1, pi. ,S. >, liO. 

 Figs. 10, 11. Seel ions llirougli ])oslerior end of H. iilalypocla along lines D, E, (wliich should incline 

 to left) Hg. 3, pi. .S. 



Fig. 12. Section I hrougli dorso-terminal sen.sc organ. X 205. 



Fig. 13. Seclion through .salivary duels, showing entrance of ductules from gland cells. 



Figs. 11. 1.5. Longitudinal sections through posterior end of IL i)laty]joda. 



