72 s. goto: 



generally ; it is iiever large, and there is never more than one. There 

 are about fifteen marginals on either side of each arm. The paxilliforra 

 plates of the upper sm-face are very delicately stellate and closely packed. 

 Tlie madi-eporite, wliich is distinct and rather deeply gi'ooved, is not far 

 from the margin of the disk. 



" Colom" in spirit creamy yellow. 



"R=:28.5 26 24. 



"r= U 14 11. 



" Distribution. Both sides of the northern part of the Atlantic, and 

 Arctic Ocean, 7-632 fms. 



"A. Faeroe Channel, 60^ 0' 0" N., 5° 13' 0" W., 312 fms. 'Porcupine' 

 Exp." 



It is mentioned by Nordgaard ['93, p. 10] as being very common in 

 Beitstad Fiord. Pfeffer mentions it from Spitzbergen. In the first of his 

 papers refeiTed to here ['94, p. 98] he mentions " 6 erwachsene und 1 

 jimges Stück," and in the second ['94a, p. 102] he says, " Aiif Steingrund ; 

 auch Mudd bez. Lehm mit Steinen. 15-140 Faden," besides giving the 

 stations where the specimens were obtained. 



Verrill refers to this species as follows ['95, p. 132] ; " B [athymetri- 

 cal] range, 5 to 632 fath. Most abundant from 50 to 150 fath. Taken at 

 numerous stations in Massachusetts Bay, Gulf of Maine, Bay of Fundy, etc. 

 It extends to Greenland, Spitzbergen, and Northern Em-oj^e. Circmnpolar. 

 Allied species occm- in the South Atlantic and South Pacific." Sluiter 

 mentions it in the collection of the Amsterdam Museum as foUows ['95, p. 

 52] : " Ctmodiscus corniculatus (Linck) Perrier. Mehrere Exemplare aus der 

 Barents See, 70"" 17' NB., 46° 31' OL. Gr. imd zalilreiche Exemplare aus 

 der Kara See, 71° NB., 63' OL. aus einer Tiefe von 45-57 Faden. AQe in 

 Alcohol, imd drei von Bodo, Norwegen (Weber)." It is also mentioned by 

 Vi^HÜiTEN ['97, fide Ludwig]. Bidenkap mentions it as occm-ring in 

 Lyngeufjm-d ' not seldom, but never in large numbers, in 30-50 fathoms ' 

 ['99, p. 100], as well as at ' Hukobotn in 20-25 fath. and Bamfjord in 80 

 fath. on soft muddy bottom ; being common along Lofoten and Finmarken ' 

 ['99a, p. 107]. 



