1895.] 



CHAEACTBRS OF THE SALMONOIDS. 



301 



parietals extend over the supraoccipital, whilst in Salmo they are 

 the frontals which overlap the supraoccipital. 



Fig. 1. 



Upper and side views of the skull of Stenodus mackenzii, (^ nat. size.) 



The result of the investigation that I have undertaken is that 

 there is no reason for separating Goregonus and Thymallus from 

 the SalmonidsB. 



