116 



UNGUIATA. 



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 



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



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



fig. 10, the figure being reproduced in the accompanying 



woodcut (fig. 14). Purchased, 1845. 



Pig. 14. 



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

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

 #", crotchet ; K\ K 2 , first and second costte. \. (From the Nat. Hist 

 Eeview.) 



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. 



