KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 41. N:0 4. 45 



— 54° 44' N. 13° 25' E. 19 fms, clay with sand (July 1871, Öberg) 3 slis. — Maliiiö, 

 the harbour, 7 — 8 fms, Zostera and algse ("Vs 1864, Smitt) 2 shs. — South Öresund, 

 7 fms, algfe (Bovallius & Théel 1878) 20 sps. ; D:o 8—9 fms, sand (Théel & Try- 

 bom) 10 shs. 



West coast of Sweden: Bohuslän, GuUmarn, 2 shs. 



(Jciicral distribution: 



Norway: Tromsö; Kjosen (G. O. Särs 1878); Florö 30 fms (Friele 1876). — 

 IceJand (Mörch 1868). — British coasts (Jeffreys 1867). — Danish coast (Mörch 

 1871; Petersen 1888, 1889). — Travemiinde (Lenz 1875). — Mecklenburg (Möbius 

 1873). - Hehgoland (Heincke 1896). — Holland and Belgium (Maitland 1897). — 

 Coasts of France to the Mediterranean (Pilsbry 1893). Depths 2 — 40 fms. Sand, 

 mud, algäj. 



Retusa G-ouldi (Couthouy 1839). 



Dislrihiitioii: Icelaiid (Verkriizwi 1^72)- — Xewfounillainl ( W-i-kriizeii ISTiS). — Ma.s,sachusetts, New 

 Euglaud, -27 — 44 iii (VeiTill 1.S82). 



Retusa mamillata (Philippi 1836). 



Hiibitat : 



Norway: Hitterö, 20 — 30 fms, shells, 2 shs. 



CJeiieral diistribiitioii: 



Norway: Kristianiaf jorden to the west coast 10 — 60 fms (G. ö. Särs 1878). — 

 England, Scotland, Shetland (Jeffreys 1867). — Aalborg, Denmark (Petersen 1888). 



— Heligoland (Heincke 1896). - France (Vayssiére 1901). — Portugal (Nobre 1905). 

 Mediterranean, Adriatic, Aegean (Carus 1889). — Canaries (M'Andrew 1852). 



Volvula acuminata (Bruguiére 1792). 

 H.ibitiit: 



West coast of Sweden: Bohuslän: Gullmarn (Loven) 1 sh. — Väderöarna, sand 

 and clay (Goés 1862) 1 sh. — Nordkos ter, west side, off the islands, 10 fms, sand 

 and stonas ('Vs 1865, Ljungman) 1 sh. — Kosterf jorden (Malmgren) 1 sp. 



G(MUii'al (llstrihiitidii: 



Norway: Dröbak, Kristianiaf jorden, 50—60 fms (]\L Särs 1870); Molde, 40 fms 

 (Danielssen 1859). — England, Ireland. Scotland, Shetland (Jeffreys 1867). — Skagen 

 and E. Kattegatt (Petersen 1888). — France (Vayssiére 1901). — tiibraltar (M'An- 

 drew 1852). — Mediterranean, Adriatic and Aegean (Carus 1889). — Gulf of Suez 

 (Pilsbry 1893). Deptiis 10—60 fms. Sand. clay, 



