242 FISHES. 



strong; first anai spine short; the second very large, 

 attached to a stout bone; grayish silvery, dusky above; 

 scales rather large and irregularly placed, punctate with 

 black ; D. IX I, 30 ; A. II, 7 ; lat. 1. 54. Great Lakes, 

 Mississippi Valley, etc., abundant. (Corvina oscula and 

 C. grisea, of Authors.) 



2. H. concinnus, (Ag.) Gill. TENNESSEE DRUM. Stouter; 

 profile steeper; dorsal beginning in advance of edge of 

 pectorals; very large, reaching a weight of 50 Ibs. Ten- 

 nessee R. 



3. H. lineatus, (Ag.) Gill. MISSOURI DRUM. Similar, 

 head shorter; profile less arched; scales with darker 

 edges, giving the body an obscurely striped appearance; 

 very large. Osage R. This and the preceding species 

 need confirmation. 



2. EUTYCHELITHUS, Jordan. LAKE HURON DRUMS. 



1. E. richardsonii, (C. &. V.) Jordan. MALASHEGANAY 

 LAKE DRUM. Head and shoulders much elevated; pro- 

 file very steep; eye moderate; mouth rather large; the 

 lower jaw rather projecting; head nearly one-third of 

 length; depth about one-half; anal spine stout (single?), 

 one - third shorter than the soft rays ; pectorals pointed, 

 much longer than the ventrals; opercular bones all finely 

 serrated; greenish with dark bands on the back; D. 

 IX I, 29; A. I, 7; lat. 1. 54. Lake Huron. A little 

 known species, which, if correctly described, can not 

 belong to Haploidonotus, as Prof. Gill has shown. It 

 may be called Eutychelithus (Greek, eutuches lucky; 

 lithos stone), from the large " ear bones," which many 

 of the members of this family possess, and which are 

 known to Wisconsin boys as " lucky stones." 



