Fig, 1 8. Anterior smaller tooth of second triturating stomach, 



obliquely from in front, x 24. 

 Fig. 19. Similar tooth in lateral view, x 24. 

 Fig. 20. Larger tooth of posterior series, obliquely from in 



front. X 24. 

 Fig. 21. Largest tricuspid tooth of posterior series, obliquely 



from below, showing the convex basal surface with 



transverse median ventral groove, x 24. 

 Fig. 22. Typical small, conical tooth from third triturating 



stomach, x 40. 



