23 



17343. The first left lower true molar, in an advanced stage of 

 wear; from Missouri. Purchased. About 1844. 



17313. The first or second right lower true molar ; from Missouri. 

 The third ridge is more worn than the first. 



Purchased. About 1844. 



M. 2850. The second right lower true molar, almost unworn ; from 

 " Big-Bone-Lick." 



Presented by Prof. Sir R. Owen, K.C.B., 1859. 



17336. The second right lower true molar, in a half- worn condition ; 

 from Missouri. Purchased. About 1844. 



M. 150. The unworn second left lower true molar; from "Big- 

 Bone-Lick." Ennislcillen Collection. Purchased, 1882. 



337. The second left lower true molar, in a half-worn condition; 



from " Big-Bone-Lick." Purchased. 



17322. The second left lower true molar, longitudinally and verti- 

 cally bisected ; from Missouri. Purchased. About 1844. 



40782. The second left lower true molar ; from " Big-Bone-Lick." 



Presented by G. Falconer, Esq., 1867. 



338. The third right lower true molar ; from " Big-Bone-Lick." 



Purchased. 



339. The third right lower true molar; from "Big-Bone-Lick." 



The talon is small. Purchased. 



340. The third left lower true molar ; from " Big-Bone-Lick." The 



talon is double, and of large size. Purchased. 



341. The third left lower true molar ; from " Big-Bone-Lick." 



Purchased. 



40783. The third left lower true molar, with the first ridge imper- 



fect ; from the Pleistocene of Savannah, Georgia, U.S.A. 



Presented by C. Falconer, Esq., 1867. 



40933 a. Cast of the third right lower true molar, with the first 

 ridge imperfect. The original is from Ohio, and is pre- 

 served in the Museum of Natural History at Lyons ; it is 

 figured by Lortet and Chantre in the Arch. Mus. Lyon, 

 vol. ii. pi. x. fig. 2 (1878). 



Presented by C. Falconer, Esq., 1867. 



7435. The almost unworn third right lower true molar, bisected in 

 a longitudinal and horizontal plane at the base of the 

 crown; from " Big-Bone-Lick." 



Mantell Collection. Purchased, 1836. 



