294 PROFESSOR H. G. SEELEY ON THE STRUCTURE, ORGANIZATION, 
Fig. 2. Anterior aspect of the same specimen, showing the back of the brain-case. 
(See p. 227.) 
Fig. 8. Posterior aspect of brain-case in Dicynodon leonice'ps (Owen). (See p. 228.) 
Fig. 4. Quadrate bone of a new^ Anomodont. (See p. 239.) 
Fig. 5. Palatal nspect of the same specimen, showing the condyles. (See p. 239.) 
Fig. 6. Quadrate bone from the skull of Dicynodon Iconiceps (Owen). (See p. 220.) 
PLATE 11. 
Dicynodon microtrema. 
Fig. 1. Occipital aspect of the skull of Dicynodon microtrema. (See p. 228.) 
Fig. 2. Anterior aspect of the same specimen, showing portion of cerebral cavity. 
(See p. 228.) 
PLATE 12. 
Tropidostoma Dunnii. 
Skull of a new Anomodont genus allied to Dicynodon, comprising the brain case, with 
the cervical vertebrae. 
Fig. 1. Anterior aspect. (Seep. 232.) 
Fig. 2. Right side, with ventral aspect of cervical vertebrae. (See p. 249.) 
Fig. 3. Palate, with atlas and axis. (See p. 249.) 
Fig. 4. Occipital aspect of skull, with lateral aspect of cervical vertebrae. (See p. 249.) 
PLATE 13. 
Shidl (^"Dicynodon tigriceps (Owen). 
Fig. 1. Superior aspect. (See p. 236.) 
Fig. 2. Lateral aspect. (See p. 237.) 
PLATE 14. 
Shull (^Dicynodon Copei. 
Fig. 1. Anterior aspect. (See p. 241.) 
Fig. 2. Left lateral aspect. (See p. 241.) 
Fig. 3. Palate, with lower jaw. (See p. 241.) 
PLATE 15. 
Hyorhynchus platyceps. 
fig. ]. Ptight side of skull of Hyorhynchus platyceps. (See p. 242.) 
Fig. 2. Palate of the same specimen. (See p. 242.) 
