700 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
ond; pectorals short, not reaching anal; axil prickly, as in species of 
Coitopsis. Head 3i; depth 5. D. VlII-17 ; A. 11 or 12. Great Lakes, 
mostly in deep water. 
(Coitus frauUini Agassiz, Lake Superior, 1850, 303: Coitus franklini Girard, 1. c. 53: 
Coitus fl■anM'mn Giiuther, ii, 158: ^ Cottas formosus Giravd, 1. c. 58: Uranidea kumlieni 
Hoy, MSS.; Nelson, Bull. Ills. Mus. Nat. Hist. 1870, 41: Uranidea kumlienxi Jordan, 
Proc. Acad. Nat. Sci. Phila. 1877, 64.) 
lOYO. U. Iioyi 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 pupil; 
preopercular spine prominent, longer than pupil, sharp, almost 
straight, directed backwards and but little upwards; below this is 
another sharp, iirominent spine, also nearly straight, directed partly 
downwards; 1 or 2 minute concealed spines still lower; pectoral tins 
reaching vent. D. VI-lo; A. 11; V. I, 3. L. barely 2 inches. Lake 
Michigan, in deep water; the smallest species, well distinguished by 
its preopercular spine. 
(Putuam MSS. Nelson, Bull. Ills. Mus. Nat. Hist. 1876, 41; Jordan, Proc. Acad. Nat. 
Sci. Phila. 1877, 63.) 
367.— COTTUS* Linnajus. 
(Acantliocottus Girard. ) 
(Artedi; Linnaeus, Syst. Nat.: type Cottas 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; preoi)ercle with 2 strong straight spines above directed back- 
ward, and 1 below directed downward and forward; opercle, nasal 
* Cottas mertensi Cuv. & Val. 
Yellowish, with dark marblings; spines of first dorsal rather strong; head smooth; 
point of x>reopercle not reaching oxiercle. D. VIII-15; A. 12; C. 10; P. 18. Kauit- 
schatka. (Cav. <)'• Val.) 
(Cuv. & Val. iv, 496, from a drawing.) 
Cottus marmoraius Cuv. Val. 
Brownish, &c., much marliled ; fins variegated ; first dorsal with a large black sjiot ; 
2 strong siiines before the eye ; 2 short siiines on the xireoxierclc ; a rather strong spine 
on oxiercle; dorsal spines rather strong. D. VIII-14 ; A. 12; C. 14. Kamtschatka. 
(Cur. 0'- Val.) 
(Cuv. it Val. iv, 497, from a drawing.) 
