88 THÉEEL, NORTHERN AND ARCÖTIC INVERTEBRATES. I. SIPUNCULIDS. 
sand and mud, 125 fms (Yen. Exp. '/. 1876), I sp. — 71” 54 n.—67” 37 e., mud, 
32 fms. (Yen. Exp. ”/s 1875), 10 sps. — 74? 45' n.—71” 6' e., brownish sand and mud 
(Yen. Exp. ”/» 1876), 9 sps. — 74? 30' n.—73” 25 e., sandy mud, 17 fms. (Yen. Exp. 
'/, 1876), 2 sps. — 75” 34 n.—73” 45' e., sandy mud, 26 fms. (Yen. Exp. ''/s 1875), 
17 sps. — Kostin strait, clay, 25 fms. (Yen. Exp. ”/, 1875), 2 dark sps. — 74? 20' 
n.—81” 14' 15" e., mud, 20 fms. (Yen. Exp. ''/s 1875), 10 sps. — 74? 12 n.—75? 45' e., 
sandy mud, 18 fms. (Yen. Exp. '/. 1876), 2 sps. — 74? 52 n.—75” 35 e., sandy mud, 
20 fms. (Yen. Exp. '"/s 1875), 20—30 sps. — 76” 40' n.—115” 30' e., mud, 35 fms. 
(Vega Exp. ”/s 1878), several hundred light specimens, hidden in tubes of Cistenides 
and Nichomache — 76” 52 n.—115” 30 e. and 116” e., mud, 35 fms. (Vega Exp. ”/s 
1878), many light sps. in tubes of worms. — Cape Schelagskoj, mud with stones, 12 
fms. (Vega Exp. ”"/, 1878), many light sps. in tubes of worms. 
Peninsula Kola: Bomeni Bay, gravel and mud, 50 fms. (Sand. Exp. 1877), 1 sp. 
— Kola Fjord, sand and gravel, 50 fms. (Sand. exp. 1877), 4 sps. — Ora Fjord, 
gravel and mud, 50 fms (Sand. Exp. 1877), 4 sps. 
Scandinavia: Finmarken, Kalfjord, mud, 80 fms. (Sp. Exp. ”/; 1861), 3 sps. 
— Ulfsfjord, 25 fms. (Sp. Exp. ””/. 1861), 3 sps. — Grötsund, mud, 60 fms. (Sp. Exp. 
1861), 8 sps. — Vadsö (Mus. U.) — Balsfjord, Porsangerfjord (Mus. T.) — Jökelfjord, 
Quzanangen, Malangenfjord, Kanstadsfjord, Bergen (Mus. B.) — North Sea, 61” 16' n. 
—1” 18' e., sand, stones and shells, 150 m. (Gr. Exp. ””/; 1899). — Storeggen, gravel, 
48 fms. (v. Yhlen 1867), 2 sps. — Bodybet, gravel, 70—100 fms. (v. Yhlen 1867), 
5 sps. in Natica. — Tananger havn, sand, 12 fms. (Bovallius 1880), 1 sp. — Idefjord, 
mud, 6 fms. (Widegren), 6 sps. — Koster, mud with shells, 10—20 fms. (Ljungman 
""/» 1877), 1 sp. in Dentalium — Kosterfjord, mud, 100 fms. (Gunh. Exp. "/; 1877), 
1 sp. — Styrsö, 15 fms. (Olsson 1869), 10 sps. — Norra Väderöarna, 15 fms. (Goös 
1862), many sps. in Dentalium. -— Torrboskär — Skagen, clay, 22 fms. (Gunh. Exp. 
"/+ 1878), 1 sp. — Gullmarn, common everywhere at depths of from 15 to 25 fms. — 
East of Nidingarna, 57” 17 2'n.—11” 28' 8" e., sand, mud, stones, 50 fms. (Gunh. Exp. 
"a 1878), I sp. Lilla Middelgrundet, 56” 58' 7' n.—11” 59' e., sand, stones, Aloe, 
10—17 fms. (Gunh. Exp. "/; 1878), 3 sps. — Skelderviken-Kullen, mud and shells, 
13—14 fms. (Gunh. Exp. '"/, 1878), 1 sp. — The Sound, sand, mud and shells, 16—22 
fms. (Rahm 1870, Gunh. Exp. '/; 1878 etc.), many sps. in Natica, Dentalium and 
Cistenides.— Kullen, mud and shells, 14—18 fms. (Lönnberg ””"'”/; 1892), many sps. 
Distribution in General: 
Phascolion strombi has a very wide distribution. In the Arctic Sea it is found 
from Behring Strait in the East to Newfoundland in the West. It occurs in greatest 
abundance off the northern coast of Asia, 76” 52 n.—115” 30' e., from which locality 
the Vega Expedition brought home many hundred specimens. The Norwegian North- 
Atlantic Expedition of 1876—1878 dredged it at no less than 14 stations in the North- 
Atlantic Ocean and, if I am right in my supposition that Ph. tubieola and cemen- 
tarium of VERRILL are synonymous with the species in question, it also seems to be 
