138 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. III. 



Stizostedion vitreum (Mitchill). Wall-eyed Pike. 



This species is wrongly called pickerel in Ontario. It is 

 abundant in Muskoka Lake, also in Lake Nipissing at North 

 Bay. It is said to reach a weight of 8 or 9 pounds. Not taken 

 at Chapleau, and not found in Gull Lake, which is less than a 

 mile from Muskoka Lake, into which it drains, though about 60 

 feet higher. Bala; North Bay; Sault Ste. Marie. 



Percina caprodes (Rafinesque). Log Perch. 



Sides with 9 or 10 cross bands with half bands between them; 

 on the caudal peduncle some of the bands become dark ovate 

 blotches with the long axis vertical. Dorsal spines 14 or 15, soft 

 rays 15 or 16. Hawkstone; Orillia; Bala; Sault Ste. Marie. 



Boleosoma nigrum (Rafinesque). Johnny Darter. 



A few specimens were taken at Sault Ste. Marie. 



Etheostoma boreale (Jordan). Northern Darter. 



This species is widely distributed over Eastern Canada. It 

 is the only darter so far known from the Hudson Bay drainage 

 east of the Saskatchewan. The three darters listed here are the 

 only ones so far known from Ontario. Orillia; Bala; Chapleau. 



COTTID^. 

 Cottus ictalops (Rafinesque). Blob. 



Dorsal spine 7 or 8, soft rays 16 to 18; the formula usually 

 Vll-iy. Anal rays 10 to 13. A few small specimens from the 

 Lizard Islands. Abundant at Sault Ste. Marie. It is much used 

 here as bait for black bass. 



Uranidea franklini (Agassiz). 



Found with the preceding and about equally abundant. 

 Spinous dorsal much lower than the soft; the dorsals scarcely 

 joined; pectorals large, their tips reaching to front of anal. Dor- 

 sal VI to VIII-i6 or 17. Anal 1 1 to ,13, usually n. These 

 specimens are very robust. Sault Ste. Marie; Lizard Islands. 



GADID.E. 

 Lota maculosa (Le Sueur). Ling. 



A few small specimens were taken at Chapleau, where the fish 

 is said to be very common. 



