540 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [38] 



Echinus gracilis A. Agassiz. j 



B. range, 73 to 202 fathoms (73 fathoms, 1883), ]^ot uncommon; 

 local. 



Echinus Norvegicus Diiben & Koren. 



B. range, 888 to 1,497 fathoms, 1883. Common; often extremely 

 abundant. 

 Echinus elegans Diiben & Koren (1). 

 B. range, 858 to 888 fathoms, 1883. 

 Btrongylocentrotus Erobachiensis A. Ag. 

 B. range, 1 to 640 fathoms (35 to 141 fathoms, 1883, George's Bank 

 and Brown's Bank). Common as far south as off Chesapeake Bay 

 at moderate depths. 

 Salenia varispina A. Agassiz. 



B. range, 547 fathoms, 1883. One specimen only. 

 Arbacia punctulata Gray. 

 B. range, shore to 20 fathoms (19 fathoms, 1883). Common in shal- 

 low water from Vineyard Sound southward. 



ASTEEIOIDEA. 



Asterias Forbesii Desor. 

 B. range, shore to 20 fathoms (19 fathoms, 1883). Abundant from 

 Massachusetts Bay southward. 

 Asterias vulgaris St. = A. ruhens L. (?) 

 B. range, shore to 208 fathoms (41 to 86 fathoms, 1883, George's Bank 

 and Brown's Bank). Abundant from off Long Island northward, 

 in moderate depths. Ranges as far south as off Cape Hatteras. 

 Asterias Tanneri Verrill. 1880. Fig. 42, a. 



B. range, 69 to 373 fathoms (78 to 373 fathoms, 1883). Common. 

 Asterias briareus Verrill. 1882. 



B. range, 31 to 373 fathoms (78 to 373 fathoms, 1883). Rare. 

 Leptasterias compta (Stimp.) Verrill. 



B. range, 18 to 150 fathoms (38 to 150 fathoms, 1883). Common and 

 widely diffused ; often very abundant in moderate depths. 



Stephanasterias alhula (Stimp.) Verrill. 

 Stichaster albulus Verrill, formerly. 

 B. range, 64 to 192 fathoms (69 to 117 fathoms, 1883). Common and 

 widely diffused ; locally abundant. Ranges from the Arctic Ocean 

 and Northern Europe to Cape Hatteras. 

 Zoroaster Eiomedece Verrill. 1884. 

 B. range, 98 to 1,555 fathoms, 1883. Common ; sometimes abundant 

 locally. 



Brisinga elegans Verrill. 1884. 

 B. range, 90G to 1,395 fathoms, 188-3. Local ; not uncomroon ; grev 

 garious. 



