VAAGMAER. 



217 



of the forehead, by which the lower jaw, when the mouth is 

 closed, becomes much elevated, and the opening of the mouth 

 turned upwards. When the lower jaw sinks into a horizontal 

 position, the upper jaw is much projected, and becomes 

 somewhat longer than the lower. 



The formation of the jaws, the form and position of the 

 gill-covers, and the radiating grooves on the latter, on the 

 jaws and frontal bones, agree with the description of those 

 parts in the Tr. Falx, as given by M. Valenciennes, to which 

 I beg to refer as far as regards the Vaagmaer. 



The dentition in this species appears to exhibit some de- 

 viations from that of Tr. Iris and Tr. Spinola, in which the 

 teeth of the upper and lower jaw are nearly vertical, and are 

 seen, although the mouth is more than half closed. In the 

 description of Tr. Falx no mention is made of the position 

 of the teeth. In the Vaagmaer the maxillary teeth are thin, 

 conical, and pointed, nearly recumbent, with the apex turned 

 towards the pharynx. On the intermaxillary bones only four 



