] 16 UNGULA.TA. 



18755 g, 18796, 20810. Three specimens of the third upper pre- 

 molar, two belonging to the right and one to the left side. 



Purchased, 1845-47. 



18797 a. The unworn third left upper premolar ; from the Pleisto- 

 cene of Grays. Purchased, 1845. 



18755 e, f. A right and left second upper premolar ; from the 

 Pleistocene of Grays. Purchased, 1845. 



19834. The second right upper true molar ; from the Pleistocene of 



(Fig.) Grays. This specimen is described and figured by Boyd- 



Dawkins in the Nat. Hist. Eev. for 1865, pp. 409, 410, 



fig. 10, the figure being reproduced in the accompanying 



woodcut (fig. 14). Purchased, 1845. 



Fig. 14. 



Rhinoceros megarhinus. Second right upper true molar, slightly worn. A. 

 median valley ; D, anterior, and E, posterior collis ; F, posterior valley ; 

 H, crotchet ; K 1 , K 2 , first and second cosfce. \. (From the Nat. Hist 

 Review.) 



45281, 45283. A right and a left upper true molar ; from the 



Pleistocene of Ilford, Essex. 



Brady Collection. Purchased, 1878. 



45282, 45284. A right and a left fourth upper premolar ; from the 



Pleistocene of Ilford. 



Brady Collection. Purchased, 1878. 



