PLATE XVIII. 
Fig. Page 
1. Ancodon gorringei, Andrews & Beadnell-; mandible, upper and (1 .\) side 
views : three-fourths nat. size. Fluvio-marine beds (Upper Eocene). 
[Type specimen, C. 8629.] 179 
2. Ditto ; right lower molars (m. 2, m. 3), crown view : three-fourths nat. size. 
Same horizon. [M. 8428.] 182 
3. Ditto ; right upper cheek-teeth, crowm view : three-fourths nat. size. Same 
horizon. [M, 8425.] 181 
4. Flnoinia serridens, Andrews & Beadnell; anterior portion of left ramus of 
mandible, side and (4 a) tipper views ; three-fourths nat. size. Same 
liorizon. [Type specimen, C. 10007.] 170 
5. lihagatherium (egyptiacum, sp. nov. ; left upper molar, crown view: three- 
fourths nat. size. Same liorizon. [Type specimen, M. 8449.] 192 
c., alveolus of caniue. 
cond., condyle of mandible. 
cor., corouoid process. 
i. 1-3, incisors or their alveoli. 
m. 1-3, molars. 
2mi. 1-4, premolars. 
sym., symphysis of mandible, 
