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



var. tenellus Loven 1846. 

 Iljiliitat: 



West coast of Sweclen: Kullen, Skåne (Loven) 1 sli. 



(iciieral distrUmf ioii : 

 Faroe Islands (Mörch 1867). 



Retusa truncatula (Brugttiere 1792). 

 Habitat: 



The Baltic: Kiel (Möbhis) 6 shs. 



West coast of SAveden: Halland, Varberg (Torell) 1 sh. — Bohuslän: ') Mar- 

 strand, the harbonr, mud and alga? (Lindahl) 8 shs.; ')Gullmarn, algjse, c. 65 sps. ; 

 ^) Väderöarna, sand and clay (Goés 1862) 1 sh.; D:o 60 fms, coral bottom, 1 sp.; 

 ')Dyngö. Fjällbaoka (Goés 1862) 1 sh.; ')Nordkoster 2 shs.; ") Svinesund, 30—70 

 fms, stones and mud (Lindahl) 1 sh. — Skagerrack 192 fms, clay (Lindahl) 1 sh. 



(■('iicral (listriluitioii: 



Norway: the south and west coast to Öxfjord, Finmarken, 5—80 fms (G. O. 

 Särs 1878); Nordfjord 40-80 fms (Grieg 1897). — British coasts (Forbes & Hanley 

 1853; Jeffreys 1867). - Sweden: off Göteborg (Malm 1858); Kullen, Skåne (LiUje- 

 borg 1854). — Danish coast: Kattegatt, the Belts and Travemiinde (Mörch 1871 ; Pe- 

 tersen 1888 and 1889). — Warnemlinde (Möbius 1873). — Hehgoland (Heincke 1894). 

 — Holland and Belgium (Maitland 1897). — France (Vayssiére 1901). — Portugal 

 (Nobre 1905). — Mediterranean, Adriatic, Aegean (Carus 1889). — Canary Isles (M' 

 Andrew 1852). Depths up to 192 fms. Mud, sand, alga?. 



var. pellucida (Brown 1827). 

 Ha)>itat: 



Norwaj^: Finmarken: Kalfjord, 15 fms (Goés & Malmgren) 1 sh.; Grötsund, 

 4 fms (Goés & Malmgren) 1 sh. 



General distrilmtioii : 



Bohuslän (Loven 1846). — Scotland, Shetland (Jeffreys 1867). 



Retusa ovata (Jeffreys 1870). 



Hahitat: 



Norway: Lofoten 200—300 fms (G. O. Särs) 1 sh. 



(Jeneral «listrilMiti«»ii : 



Norway: Vestfjorden 341 fms (Friele & Grieg 1901); Lofoten (G. O. Särs 1878). 



K. Sv, Vet. Akaa. HandI, Band 41. N:o 4. 6 



