Zoogeographical Investigations in Southern Greenland. 315 
164. Ophioscolex glacialis M. Tr. 
Th. Mortensen, Grønlands Echinodermer 1913 (1914), p. 361. 
Bredefjord St. 55, 310—330 m., 1 spec. 
From W. Greenland hitherto only known from 2 localities (66 %°— 
71° N.). 100—1800 m. 
165. Gorgonocephalus Lamarekii M. Tr. 
Th. Mortensen, Grønlands Echinodermer 1913 (1914), p. 364. 
Bredefjord St. 121, 700 m., 2 spec. 
From W. Greenland hitherto only known from 2 localities (64 14° — 
6514" N.). 75—775 m. 
Echinoidea. 
166. Strongylocentrotus droebachiensis O. Fr. Müll. 
Th. Mortensen, Gronlands Echinodermer 1913 (1914), p. 365. 
Kvanefjord St. 4, 20,5—34 m., 1 spec.; St. 6, 37—45 m., 1 spec.; 
St. 9, 22—24 m., 3 spec.; St. 25, 115m., 2 spec. — Bredefjord 
St. 32, 35—37 m., 3 spec.; St. 33, 100—220 m., 5 зрес.; St. 37, 20— 
30 m., 2 spec.; St. 40, 170—180 m., 2 spec.; St. 44, 165—190 m., 
1 spec.; St. 46, 20—30 m., 3 spec.; St. 48, 3 spec.; St. 68, 60—95 m., 
2 spec.; St. 70, 225—290 m., 1 spec.; St. 79, 30—50m., 5 spec.; 
St. 88, 40—70 m., 2 spec.; St. 92, 50—90 m., 1 spec.; St. 103, 90— 
100 m., 2 spec.; St. 109, 125—140 m., 2 spec.; St. 127, 10—15 m., 
3 spec.; St. 134, 85—140 m., 6 spec. — Tunugdliarfik St. 141, 35— 
70 m., 1 spec. — Skovfjord St. 143, 65—90 m., 2 spec.; St. 144, 
250—300 m., 1 spec.; St. 145, 10—35 m., many houndreds, filled about 
the whole of the dredge; St. 152, 80—120 m., 1 spec.; St. 155, 220 
(240)—400 m., 1 spec. 
Extremely common at W. Greenland. Littoral — 1170 m. 
Holothurioidea. 
167. Myriotrochus Rinkii Stp. 
Th. Mortensen, Grønlands Echinodermer 1913 (1914), p. 318. 
Bredefjord St. 127, 10—15m., 5 spec. — Skovfjord St. 136 
(the harbour of Narssak), 6 m., 1 spec. 
Rather common at W. Greenland. Littoral — 650 m. 
168. Chirodota laevis Fabr. 
Th. Mortensen, Gronlands Echinodermer 1913 (1914), p. 317. 
Skovfjord St. 136 (the harbour of Narssak), 6m., several spec. 
Not rare at W. Greenland. Littoral —380 m. 
