700 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



ond; pectorals short, not reacliing anal; axil prickly, as in species of 

 Coitopsis. Head 3^; depth 5. D. VIII-IT; A. 11 or 12. Great Lakes, 

 mostly in deep water. 



(Coitus franklini Agassiz, Lake Superior, 1850, 303: Coitus franklini Girard, 1. c. 53: 

 Cottm franklinu Giiuther, ii, 158: 1 Cottus formosus Girard, 1. c. 58: Uranidca kumlieni 

 Hoy, MSS. ; Nelson, Bull. Ills. Mus. Nat. Hist. 1876, 41 : Vranidea kumlienii Jordan, 

 Proc. Acad. Nat. Sci. Phila. 1877, 64.) 



1070. U. lioyi Putnam. 



Grayish olive, speckled and barred. Body rather slender. Female 

 with the anterior parts of body and region above lateral line covered 

 with sparse prickles; male apparently smooth. Head narrowed for- 

 wards; jaws narrow, about equal; maxillary reaching front of i)upil; 

 preopercular si)ine i^rominent, longer than puj^il, sharp, almost 

 straight, directed backwards and but little upwards; below this is 

 another sharp, prominent spine, also nearly straight, directed partly 

 downwards; 1 or 2 minute concealed spines still lower; pectoral fins 

 reaching vent. D. VI-15; A. 11; Y. I, 3. L. barely 2 inches. Lake 

 Michigan, in deep water; the smallest species, well distinguished by 

 its preopercular spine. 



(Putnam MSS. Nelson, Bull. Ills. Mus. Nat. Hist. 1876, 41; Jordan, Proc. Acad. Nat. 

 Sci. Phila. 1877, 63.) 



367.— COTTUS* Linnseus. 

 (Acantliocottas Girard.) 



(Artedi; Linnaeus, Syst. Nat.: type Cottus scorpius L.) 



Body rather slender, subfusiform, covered with thick skin, in which 

 are sometimes imbedded prickly plates, especially along lateral line; de- 

 ciduous granular tubercles also sometimes present, but no true scales. 

 Head large. Mouth terminal, large, the lower jaw included; villiform 

 teeth on the jaws and vomer, none on the palatines; suborbital stay 

 strong; [)reopercle with 2 strong straight spines above directed back- 

 ward, and 1 below directed downward and forward; opercle, nasal 



* Cottus viertensi Cuv. & Val. 



Yellowish, with dark marblings; spines of iirst dorsal rather strong; head smooth; 

 point of preoy)erc]e not reaching opercle. D. VIII-15; A. 12; C. 10; P. 18. Kamt- 

 schatka. (Cuv. c^- Val.) 



(Cuv. & Val. iv, 496, from a drawing.) 



Cottus marmoratus CxiY. &[,\ III. ^ 



Brownish, &c., much marbled; fins variegated; first dors* with a large black spot; 

 2 strong spines before the eye; 2 short spines on the preoperclo; a rather strong spine 

 on opercle; dorsal spines rather strong. D. VIII-14; A. 12; C. 14. Kamtschatka. 

 {Cur. 4- Ful.) 



(Cuv. & Val. iv, 497, from a drawing.) 



