10 
Natural History 
tion is given of the number of pyloric cceca, of the shape of the preoper- 
culum or of the colour of the flesh, which would have helped definitely to 
have identified the fish. 
I have sent to Kamloops for specimens, and when I receive them will 
send some to Dr. Jordan, who may perhaps be induced to alter his opinion. 
If it be a new species, I believe it will be found to be distributed throughout 
the greater portion of the upper country. 
Couesius Greent. Species nova. 
A minnow from a lake near Fort St. James, was obtained from Mr. Traill, 
the H. B. Co. officer in charge of that post. Its range is unknown, and it 
appears to be rare in that part of the country. It is a small fish, seldom 
exceeding six inches in length, and averaging only four. Two specimens 
were sent to Dr. Jordan, who furnishes the following description. 
Head, 4^ in length ; depth, 4^. D. 8 ; A. 8. Scales, 10-57-7. Teeth, 
2-4-4-2. Length of largest specimen, 6-| in. 
Body robust, the back convex before the dorsal. The profile of head 
straight and rather steep. The space between the eyes broad and flatish, 
3J-in. head. Snout bluntish, but rather long, 3f-in. head. The pre-maxil- 
lary just above the level of the lower part of the pupil; maxillary reaching 
almost to the front of the orbit, 3|-in. head ; barbel well developed, not 
quite at the end of the maxillary ; its length considerably less than that of 
the pupil. Mouth moderately oblique, the lower jaw slightly included. 
Dorsal fin inserted behind the base of the ventrals and behind the middle of 
the body at a point mid-way between the pre-opercle and the base of the 
caudal, the fin of moderate height. Pectoral shortish 1^-in. head, ventrals 
nearly 2. Caudal well forked, the lobes equal, 1-f-in. head. Scales larger 
than in related species, scarcely reduced forward and but little smaller on 
the back than on the sides. 36 scales in front of the dorsal. Colour dark 
olive above, the sides reddish silvery. Very slight traces of a lateral band, 
a dark streak below the eye undulating and extending from the side of the 
upper jaw to the opercle. Lining of shoulder rather dusky. Fins without 
definite marking, the upper somewhat dusky. 
This species is related to Couesius phimbeus of the upper Missouri and 
Lake Superior region, from which species it differs in the size of the scales 
and in some details in form. The head is especially large and heavy. 
Mylochilus Caurinus. 
A specimen of this chub, taken from Fish-hook Lake, has been sent me from 
Mr. C. N. Young, of Nanaimo. It has also been reported by Mr. Skinner 
as occurring in Kennedy Lake, and in the brackish water at the mouth of 
the stream flowing from it. It is, I believe, rare on Vancouver Island, 
although common on the Mainland. — A. H. G. 
