KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 48. N:o 1. 45 
General Distribution: 
Norway: Nordkap, southwards, to 60 fms (d. 12, G. O. Sars 1878; Friele 1874; 
Schneider 1885, 1891; Aurivillius 1886; Lilljeborg 1851); Vardö (Schneider 1894; Nor- 
man 1902). — Christianiafjord, 10—60 fms (Asbjörnsen 1854; Jeffreys 1870). — 
Bohuslän, 3—20 fms (Malm 1855); Göteborg Skärgård (Malm 1858); Hallands Väderö 
11—1535 m (Lönnberg 1903); Kullen (Lilljeborg 1852"; Lovén 1846). — Denmark: W. 
coast of Jutland (Christensen 1907); Kattegatt to Hven and St. Belt, 40 fms (Mörch 
1871; Petersen 1888). — Öresund, to S. of Hven, 16—20 m (h. 15; Lönnberg 1898). — 
Iceland and Faroes (Jeffreys 1883). — N. of Hebrides, 189 fms (Jeffreys 1869). — 
British Islands (Jeffreys 1865). — Dogger Bank (+ var. electissima; Hargreaves 1910). 
— North Sea coast of Holland— Belgium (Maitland 1897). —France to 180 m (Locard 
1899). — Spain, Vigo Bay (Jeffreys 1883). — Portugal, very common (Nobre 1905). 
— Mogador, Morocco (Jeffreys 1883). Depths to 189 fms. Rocks, stones, clay, alge. 
Gibbula obliquata (GMELIN 1783). 
(= Trochus umbilicatus MontaGu 1803.) 
Distribution: Denmark, Hirtshals, a dead sh. (Mörch 1871; Petersen 1888). — Faroe Islands (Mörch 
1868). — Southern and western coasts of Great Britain and Scotland (Jeffreys 1865). — France, atlantic 
coast (Locard 1892). — Spain, Mediterranean and Black Sea; Morocco (incl. var. lata: Jeffreys 1865). 
Gibbula tumida (MontaAGU 1803). 
Pl. 3 figs. 8—15. 
Habitat: 
West coast of Sweden: Skåne, Hittarp, 1 sh. (Lönnberg ”"/e 1896); Knähak 
perch, 28—34 m, 2 sps, h. 11 (Mus. L.); Landskrona—Helsingborg (Rahmn) 2 sps, 
max. h. 7.7; ap. 46; d. 9.2; wh. 5 ”/.; Kullen (Lilljeborg) 9 shs and sps, the largest 
dead (fossil?) max. h. 13; and h. 11; d. 12 (Mus. U.); Point af Kullen—Vinga Skär, 
15 fms, elay (Lönnberg ”/+ 1902), 1 sp., h. 8.2; ap. 4.7; d. 9.6; wh. 5'/2; Väderö 
lighthouse—point of Hözghalla, 15 fms, shells, gravel (Lönnberg "”/ 1902) 5 sps, max. 
bh. 13.5; ap. 6.5; d. 13.2; wh. 5—6, Fig. 15. — Kattegatt: Lilla Middelgrund, 10 
fms, sand, stones (Gunhild Exp. '/; 1878) 3 sps, max. h, 8.4; S. W. of Nidingen, 
40 m, clay, 1 sh., d. 4.5 ("?/o 1911); Fjordskär, Kungsbackafjorden, 15—20 m, clay, 
stones ("”/o 1911) 1 sp., h. 8.6; d. 91. — Göteborg Skärgård: Innertistlarna 
—Resö, 26 m (Lagerberg '/s 1906) 1 sp.; Svartskär—Vinga, 26 m (L. ”'/ 1906) 
2 sps.; Skagerrack: Torrboskär— Skagen, 27 fms, clay mixed with sand (Gunhild 
Exp. ”/7 1878), 1 sp., d. 6.2; Skagerrack, 22 fms, gravel (Lindahl) 2 shs, max. h. 8; 
Skagen —Nidingarna, 35 fms, clay mixed with sand (Gunhild Exp. ”/ 1878) 3 sps, 
max. h. 8.7; d. 9.2; wh. 6. — Bohuslän, numerous sps (Lovén) max. h. 8.9; ap. 4.3; d. 
