1872.] 



MR. A. SANDERS ON LIOLEPIS BELLI. 



155 



arises from the anterior edge of the thyro-hyal for about half its extent ; 

 the fibres pass forward, the deeper ones being inserted into the base of 

 the tongue, while the more superficial are inserted into the ramus of 

 the mandible for a short, distance outside the symphysis. Cuvier* 

 named it " geniceratoidien." 



Fig. 1. 



JVfU. 



Muscles on the ventral aspect of the thorax. 



Cerato-hyoid arises from near .the distal extremity of the thyro- 

 hyal, and, passing forward on the inner side of the mandible, is first 

 * Leq-ons d' Anatomic eomparee, to]. i\. 2nd ed. 



