330 



VERTEBRATES I FISHES. 



Fig. 196. 



Greenland Sculpin, C. grcenlandicus, 

 Cuv. & Val. 



the North Atlantic, is about 

 twelve inches long, dark 

 brown above, with clay- 

 colored blotches ; abdomen 

 with yellowish and white 

 spots. Four tubercles on 

 the top of the head enclose 

 a quadrangular area. 



The Common Sculpin, C. octodecimspinosus, Mitch., of 

 the North Atlantic, is about twelve inches long, light 

 brown above, with darker blotches ; white below. When 

 first taken from the water, its head is excessively ex- 

 panded, its spines and fins erect, and it makes a croaking 

 noise. The head is slenderer than in C. grcenlandicus. 



The Genus Boleosoma has the body in the form of a 

 dart, and the head very short and rounded. 



The Tessellated Darter, B. Olm- 

 stedi, Ag., of the small streams of the 

 Northeastern States, is about three 

 inches long. 



The Genus Hemitriptenis has the 

 first dorsal deeply emarginate, thus making 'the two dor- 

 sals look like three ; head bristly and spinous, and with 

 cutaneous appendages. 



The Sea-Raven, or Deep-water Sculpin, H. acadianus, 



Storer, of the North At- 

 lantic, is from twelve to 

 twenty-four inches long, 

 with the color exceed- 

 ingly variable ; often yel- 

 low, or blood-red varied 



Fig. 197. 



Darter, B. Olmstedi, Ag. 



Fig. i 



with brown. 



Sea-Raven, H. acadianus, Storer. 



has the head mailed, roughened, compressed, scaly, and 

 a single dorsal ; head and body with fleshy appendages. 



