PLATi: V. 
' ig- Page 
1. Arslnoithcrium zitteli, Beadnell ; upper incisor (or canine), crown and 
(1 a) lateral views : two-thirds iiat. size. Fluvio-marine beds (U])])er 
Eocene). [M. 8470.] 
'1. Ditto; right upper premolar, probably the third, crown view: two-thirds 
iiat. size. Belonging to same individual as last. [M. 8470.] 1^0 
d. Ditto; left upper premolar, probably the second, crown and (3 a) anterior 
views ; two-thirds nat. size. Belonging to same individual as last. 
[M. 8470.] dO 
4. Ditto; left lower molar, crown and (4 a) outer views: two-thirds nat. size. 
Belonging to same individual as last. [M. 8470.] 23 
5. Ditto ; left milk-molars 2-4, crown and (5 a) outer views : two-thirds nat. 
size. Same horizon, [M. 8471.] 21 
6. Ditto; third loft upper molar, only slightly worn, crown, (G a) inner. 
(6 b) outer views: two-thirds nat, size. Same horizon. [M. 8470.] 17 
7. Ditto; third right n]')[)er molar, more worn than last, crown view: two- 
thirds nat. size. Same horizon. [M. 8804.] 17 
8. Ditto ; right upper molar, greatly worn, crown and (8 a) inner views ; in 
tlie latter the roots are shown : two' 
(t.c., anterior eolunni of molars. 
(!(’., antero-external cusp. 
(tl., antero-iuternal cusp, 
u./'., anterior root. 
(■., cingulum. 
postero-internal portion oF cingulum. 
2-4, second, third, and fourth milk-molars. 
nt.r., middle rout. 
thirds nat. size. Same horizon. 
[M. 8804 a.] 17 
ms., mesost 3 ’le. 
p.C; posterior column oF molars. 
pe., postero-external cns|). 
j>i., ])ostero-internal cusp. 
posterior root. 
ps., parastyle. 
.c., iniuir Face of tooth. 
