PLATE 44 



Figs. I, la. Cladodus urhs-ludovici Eastman. Tooth in front (i), and lateral 

 (la), views. X 3. E 1900., p. 139. 



Fig. 2. Anodontacanthiis piisillus,n. ap. Type. Small spine, incomplete at both 

 extremities. X 3. E 1915, p. 156. 



Figs 3, 3a, 3b. Dittodiis prisciis (Eastman). 4. E 1901, p. 144. 

 3. Tooth in front view, showing ornamentation. 



3a. Outline of side view of another tooth, to show antero-posterior width of 

 root and position of the "button." 

 3b. Tooth from above, to show entire root and the ' 'button." 



Fig. 4. Orodus devonicu,s,n. sp. Type. Tooth, X 3. E 1903, p. 153. 



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