FISHES. 



117 



was presented to the United States National Museum by Prof. Robert 

 Collett. The agreement between these two in all essential particulars 

 is very striking. We may safely record this species, then, at least as 

 far south as Eastport. The true Cottus scorpius may be distinguished 

 from the sub-species which follows by its narrower interorbital distance, 

 and the lesser length of the dorsal spines, particularly the anterior ones. 



Table of Measurements. 

 Species, Cottus scorpius Linn. 



