DESCRIPTION OF A SQJJALUS. 317 



the neck is 3 inches and -t lines, that between the 

 fifth pair is about 2 feet 18 lines; mouth very large, 

 1 foot 7 inches between the angles, and 2 feet 10 

 inches from the tip of the inferior jaw to a central 

 point between the nostrils ; the jaws armed with 

 teeth of different forms, those of the superior jaw oc- 

 cupying, on each side, a space of 1 foot and 6 inches 

 in length by more than one inch in width, and the 

 armed space of the inferior jaw on each side is 1 foot 

 8| inches long by 1 inch wide; teeth generally curv- 

 ed and turned inwards towards the throat, their sides 

 slightly edged, without any appearance of distinct 

 and regular serratures ; some small rugosities, only, 

 are perceptible on the edge ; on the superior jaw they 

 are subconic at the anterior extremity and at the an- 

 gle of the mouth, both of which are smaller by one- 

 third than those which occupy the intermediate space, 

 and have but a single point to each, which in the 

 greatest number is flattened and truncated ; the four 

 or five last ranges at the angles of the mouth are flat- 

 tened, subtriangular, and recline upon each other to 

 the number of four or five ranges ; the intermediate 

 teeth are larger, of the length of about 4 lines, by 3 

 lines in width at their bases, they are subtriangular, 

 with one or two grooves on their exterior face, which 

 indicate the union of three points of which they ap- 

 pear to be composed, two of these points are united, 

 and the other is often detached, and very distinct, 

 presenting a bifid appearance, some of the teeth exhi- 

 bit three points, but these are rare $ on the inferior 



