ZETJGLODOlTTIDiE. 51 



25446. Cast of the root of a cheek-tooth. The original is from 

 Alabama. Purchased. 



25442. Cast of fragment of a mandibular ramus, containing an im- 



perfect anterior tooth. The original is from Alabama. 



Purchased. 



25443. Cast of fragment of a mandibular ramus, containing the 



basal part of a cheek-tooth. The original is from Alabama. 



Purchased. 



35641. Pragment of a jaw containing the root and the base of the 



crown of an anterior tooth ; from Clarke County. 



Presented hy Prof. J. W. Mallet, 1859. 



35642. Fragment of a mandibular ramus, showing the broken bases 



of several cheek-teeth ; from Clarke County. 



Presented by Prof. J. W. Mallet, 1859. 



35597. An imperfect lumbar vertebra ; from Clarke County. 



Presented hy Prof. J. W. Mallet, 1859. 



35596. A lumbar vertebra ; from Clarke County. 



Presented hy Prof. J. W. Mallet, 1859. 



8142. One half of a very large lumbar vertebra ; from Alabama. 



Mantell Collection. Purchased, 183G. 



20707. Two imperfect lumbar vertebrae; from the Brazos River, 

 San Felipe de Austin, Texas. Purchased, 1847. 



40987. Fragment of a rib ; from Alabama. 



Presented hy Sir 0. Lyell, Bart., 1869. 



The following smaller specimens helong to the so-called 

 Z. hydrarchus. 



M. 3543. Cast of the cranium. The original is from Claiborne, and 

 is preserved in the Museum at Haarlem ; it is figured by 

 Carus, op. cit. figs. 39, a, b (as Z. hydrarchus), and by 

 Miiller, op. cit. pi. xxvi. (as Z. hrachyspondylus), and also 

 in Gaudry's ' Enchainements — Mamm. Tert.' p. 39, fig. 30 



e2 



