38 University of Michigan 



uncle compressed, least depth trifle less than half its length. 

 Head well compressed, flattened sides approximated below. 

 Snout broad, profile concave, width i 3/5 its length. Eye 

 elevated, close to upper profile, slightly before middle in 

 head length. Mouth large, mandible well protruded. Maxil- 

 lary reaches about first third in eye, not to center. Outer 

 front upper teeth very small. Lateral mandibular teeth large, 

 erect, well-spaced. Tongue depressed, free at tip which 

 slightly emarginate. Mandible shallow in front. Interor- 

 bital slightly concave. Gill-rakers numerous minute denticles 

 or asperities. Gill-filaments about i 2/3 in eye. Branchio- 

 stegals 12. Scales smaller and more crowded on lower por- 

 tion of abdomen between pectorals and ventrals. Scales in 

 10 rows on cheek, little larger on opercles. L. 1. as about 43 

 spaced notches or gashes in course of scales from shoulder 

 to caudal base medianly. Dorsal origin little nearer ventral 

 origin than caudal base, depressed fin i 2/5 to latter. Anal 

 origin slightly before that of dorsal, fin similar. Caudal emar- 

 ginate, small. Pectoral 3 1/5 in head, 2 1/3 to ventral. Last 

 inserted nearer anal origin than that of pectoral, fin 3 in head 

 and reaches i 2/3 to anal. Vent close before anal. 



Color in alcohol largely faded uniform brownish, under 

 surface paler or whitish. Fins brownish. Iris brassy. 



Length 183 mm. (caudal tips damaged). 



No. 7, 681, A. N. S. P., cotype (type) of Bsos cypJw Cope. 

 Waterford, Oakland County. (Prof. Manly Miles) E. D. 

 Cope. 



Although "several specimens" are mentioned by Cope, the 

 above is the only one I have examined. 



Bsox lucius Linnaeus 



Esox lucius Cope, Proc. Acad. Nat. Sci. Phila., 1865, p. 79. Michigan. 

 Esox lucius Fowler, 1. c, 1916, p. 415. Keeweenaw Point. 



