572 
PLATE LIII. 
Fic. 1. StREBLoDuS oBLoNGus, Agass., 
Teeth of the right and left ramus of the j jaw with a connecting palatal base. 
Fic. 2. StREBLODUS OBLONGUS, Agass., . 6 ; 6 : . 
Upper surface of posterior tooth, 
Fig. 3. STREBLODUS OBLONGUS, Agass., . . : . . . ° 
Under side of posterior tooth. 
Fic. 4. STREBLODUS OBLONGUS, Agass., . : 0 
Tooth attached to a wide expansion of the bony j jaws or “palate. 
All from Mountain Limestone, Armagh, Ex coll. Enniskillen Collection. 
Fies. 5, 6. StrREBLODUS COLEI, Agass., : 
Posterior teeth, right and left respectively. 
Mountain Limestone, Armagh, é Ex coll. Enniskillen Collection. 
Figs. 7, 8. STREBLODUS EGERTONI, Agass., 
Mt. Limestone, TElarik Iasi Co. Westnnil, " Bee oll TBhantelilexa Chilloctifienn, 
Fies. 9, 10. Drnropus Expansus, Davis, 
Right and left teeth of the upper jaw. 
Mountain Limestone, Armagh, —_ Ex coll. Enniskillen Collection. 
Fic. 11. Detropus Expansus, Davis, 
Tooth of the lower jaw. 
Mountain Limestone, Armagh, ¢ Ex coll. Enniskillen Collection. 
Fig. 12. DEttropus ALirormis, M‘Coy,  . : : : 6 . : 
Upper Limestone, Derbyshire, Hx. coll. Woodwardian Museum, Cambridge. 
Fies. 13, 14. Devroprycuius acutus, Agass., . - . 
Right and left teeth of the lower jaw. 
» 14a. Posterior surface of figure 14, enrolled over the jaw. 
Mountain Limestone, Wemacht : Ex coll. Enniskillen Collection. 
Fic. 15. Detroptycuivus acutus, Agass., 0 5 . 6 2 
A large example of tooth from the upper jaw. 
Fic. 16. Detroprycuius acutus, Agass., j i : : : 0 
_ Under side of figure 15. 
Fic. 17. DELTOPTYCHIUS ACUTUS, Agass., . 
A smaller example from the opposite ramus of a . jaw to ‘the one repr esented in 
figure 15. 
Carboniferous Limestone, Armagh, Ex coll. Enniskillen Collection. 
Fies. 18, 19. DELTOPTYCHIUS GIBBERULUS, AGASS., ; 
Teeth of the lower and upper jaws respectively. 
Carboniferous Limestone, Bristol and Hook point, Co. Wexford. 
Ex coll, Enniskillen Collection. 
Figs. 20, 21, 23. Pacriopus Jones, Agass., j : 9 6 9 ; 
Posterior teeth. 
Carboniferous Limestone, Armagh, Ex coll. Enniskillen Collection, 
Fic. 22. PacrLopus JONESII, : ‘ F 0 ‘ 9 ‘ 6 
Anterior tooth. 
Carboniferous Limestone, Armagh, Ex coll. Enniskillen Collection. 
Fic. 24. Pacitopus oBiiguus, Agass., . 0 : : 0 0 ° 
Posterior tooth. 
Carboniferous Limestone, Armagh, Ex coll. Enniskillen Collection. 
Fic. 25. Pacrtopus corrueatus, Davis, . : 6 0 0 
Carboniferous Limestone, Wensleydale, Lx coll. William Horne, Esq. 
Fic. 26. Pasciropus FOvEOLATUS, M‘Coy, : : : 0 ; 5 
Carb. Limestone, Derbyshire, Zz. coll. Woodwardian Museum, Cambridge. 
Fig. 27. Pacinopus cipposus, Davis, ‘ ; ; : 0 0 ¢ 
» 27a. Posterior surface, showing the enrolment over the jaw. 
Mountain Limestone, Ar magh, : Ex coll. Enniskillen Collection. 
431 
431 
431 
433 
433 
433 
433 
435 
442° 
442, 
444 
443 
445 
445, 
