KUNGL. SV. VET. AKADEMIBNS HANDLINGAR. BAND 48. N:ü 1. 



49 



Norway: Hitterö, 20 — 30 fms, sand, shells (Oberg 1869) 1 sp., h. 10,8; D:o, 

 Kirkehavn (Oberg) 1 sp., h. 16. — Jederen, 100 — 150 fms (B. Olsson 1872) 1 sp.,h. 

 24.3; ap. 10.5; d. 24.2 (with Balanus). — Haugesund (Wittrock 1865) 1 sh., h. 14; 

 D:o (Lilljeborg 1854), many sps, max. h. 28; d. 26 (Mus. U.). - SE. of Bergen (T. 

 Andersson 1872) 1 sp., h. 24.4; ap. 9.5; d. 25; wh. 9 '/a. — Bergen (M. Sars) many 

 sps, max. h. 27.4; ap. 11; d. 24.5; wh. 10, Fig. 22. — Rondo, 60-70 fms, shells, 

 sand (v. Yhlen) 2 sps, max. h. 13 5. - Bank NW. of Bergen, 100—150 fms (T. An- 

 dersson) 1 sp., h. 20. — Grip (Lilljeborg) many sps, max. li. 29; d. 30 (Mus. U.). — 

 Finmark (Loven) 1 sh., fragmentary, h. circa 27; ap. 9; d. 25.'2, Fig. 23. Two similar 

 fragmentary shells are labelled »Bahusia 1837 & 38 (B. Fries)». 



Variation: The proportions of the shell are somewhat varying, as is evident 

 from the measurements given above. 



Oenersil Distribution: 



Norway: Finmark (Loven 1846); not found by G. O. Sars (1878); N. of 

 Trondhjemsfjord (M' Andrew 1856); Cliristiansund (Lilljeborg 1851); Bergen (Friele 

 1874); west coast, 0—20 fms (Metzger 1875); Christianiafjord, 10— 20 fms (Asbjörnsen 

 1854). — Väderöarna, 20 fms (Malm 1855). — W. coast of Jutland, Denmark (Christen- 

 sen 1907). — Faroes (Mörch 1868). — N. of Hebrides, 189—530 fms (Jeffreys 1869). 

 — British Islands (Jeffreys 1865). — Belgium, rare (Maitland 1897). — Dogger Bank 

 (+var. lyonsi, Hargreaves 1910). — France (Locard 1892). — Portugal, rather rare 

 (Nobre 1905); Spain; S. off Portugal, to 530 fms (Jeffreys 1883). — E. off Morocco, 

 112 m, dead sh. (Locard 1898); Mogador (Jeffreys 1883). — Madeira and Canaries 

 (Mc Andrew 1852). — Azores, 450 fms (Watson 1886); 15— 20 m (Dautzenberg 1889). 

 The true C. zizypliinum (Linne 1766) is a Mediterranean form, occurring rarely even 

 on the Atlantic coast of France (Locard 1892, 1904). Depths 10 — 530 fms. Sand, 

 shells. 



Calliostoma occidentale (Mighels & Adams 1841). 



PI. 3 rigs. 24—25. 

 HabitJit: 



North Sea, 58° 55' N., 3°28'E., 170—200 fms, gravel (v. Yhlen) 1 sp., h. lO.a; 

 ap. 4.2; d. 9.6; wh. 7, Fig. 25. — Norwegian west-coast: the fish bank NW. off 

 Bergen, 100 — 150 fms (T. Andersson 1872), 2 sps, max. h. 11.2 — Storeggen, 80 fms, 

 gravel (v. Yhlen), 1 sp., h. 8; ap. 2.o; d. 7.i; wh. Q'U. — Jutland Peef, 60—130 

 fms (Uddström 1873), 3 sps, max. h. 12.;;; ap. 5.2; d. 11.4; wh. 7. — Christiansund, 

 (Lilljeborg) 2 shs, max. h. 9 (Mus. U.). 



Finmark: Karlsö, 30 fms, shells (Malmgren 1861, 1864) 8 sps, max. h. 13.7; 

 ap. 5.2; d. 12.1; wh. 7 ; D:o, Karlsösund, 15 fms, stones, corals (M. 1861) 4 sps, 

 max. h. 12.8; ap. 5.2; d. 11.3; wh. 7%- — Ulfsfjord (Goes & Malmgren 1861) 3 sps, 



K. Sv. Vet. Akad. Haiidl. Band 48. N:o 1. 7 



