1862.] 

 14. 



MR. A. MURRAY ON A NEW CROCODILE. 



213 



Description of Crocodilus frontatus, a New Croco- 

 dile FROM Old Calabar River, West Africa. By 

 Andrew Murray, Assist. Secretary, Royal Horticul- 

 tural Society. 



(Plate XXIX.) 



Crocodilus frontatus, nov. sp. 



Head broad and deep, much broader than in C. vulgaris, very flat 

 on the vertex, and with the margins of the flat portion slightly 

 raised ; the lateral margins very slightly curved ; the suture inside of 

 the lateral margin placed at rather more than a fourth of the breadth 

 of the vertex from its side. This suture is not throughout parallel 

 to the lateral margin ; it is nearly so for about two-thirds of its 

 posterior length ; towards the front it bends a little outwards. Fig. 1 

 shows the form of the sutures in this species, while fig. 2 shows 

 their form in C. vulgaris, and fig. 3 in C. leptorhynchus. The ver- 



Fig. 1. 



Fig. 2. 



Fig. 3. 



tex in the two last, although flattened, is not so depressed, but is 

 shghtly rounded, so as to be somewhat higher at the middle than at 



