DESCRIPTION OF PLATE XXXVIII. 

 Crocodilus cataphractus and Crocodilus marginatus. 



The figures in this Plate have been reproduced from those 

 which appeared originally in the Ann. and Mag. of Nat. 

 Hist, for December, 1846. 



Figs. 1, 2, and 3. Represent the cranium of Crocodilus cataphractus in 

 the Belfast Museum, rather more than one-fifth of the natural 

 size. Fig. 1, upper surface; fig. 2, palate surface; fig. 3, side 

 view. 



Figs. 4, 5, and 6. Represent the cranium of Crocodilus marginatus in 

 the Belfast Museum, rather less than one-fifth of the natural 

 . size. Fig. 4, upper surface ; fig. 2, palate surface ; fig. 6, side- 

 view. 



