42 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. III. O FISTHOBR ANCHI A ETC. 



North Atlantic (Jeffreys 1870). British coasts, Shetland (Forbes & Hanley 

 1853; Jeffreys 1867). Portugal (Nobre 1905). Algiers, the harbour (Cams 1889). 

 — Azores 1073 fms; Florida Channal; Culebra Island. West Indies; Pernambuco (Wat- 

 son 1880). East coast of N. America 120 -100 fms (Pilsbry 1893). Depths up to 

 1073 fms. Mud. 



Retusa umbilicata (Montagu 1803). 

 Habitat: 



West coast of Sweden: Bohuslän: ')Gullmarn (Loven) 7 shs.; D:o Gäsörännan 

 8 shs.; I):o Oxvik (Aurivillius 1894) 1 sh.; D:o off Bondhalet (Aurivillius) 2 sps.; 

 D:o Fiskebäckskil (Aurivillius 1894) 20 sps.; D:o Grötöhamn 2 sps.; 2 ) Nordkoster 

 (Loven) 2 shs.; 3 ) Lindö, near Kosterrännan, (Loven & Torell) 1 sh.; 4 ) Väderöarna, 

 sand and clay (Goes 1862) 3 shs.: ") Skagerrack, 23 fms, clay and shells (Lindahl) I 

 sh.; D:o 142 fms (Lindahl) 3 shs. 



Norway: Finmarken. Kalfjord 15 80 fms (Goes & Malmgren) 9 shs. 



General (list rihut iou : 



Norway: south and west coast to Lofoten 10—300 fms (G. O. Sars 1878). - 

 England and Ireland (Jeffreys 1867). — Kattegatt and Danish coast, 10—15 fms (Pe- 

 tersen 1888); Limfjorden (Mörch 1871). — France 1019 m (Vayssiere 1901). — Portugal 

 (Nobre 1905). Vigo Bay; Gibraltar (M> Andrew 1852). — Mediterranean, Adriatic 

 and Aegean (Carus 1889). Depths up to 1019 m. Clay and sand. 



Retusa strigella (Loven 1846). 

 Habitat : 



Gullmarn, Bohuslän (Loven) 1 sh. 



General distribution : 



Norway: Kristianiafjorden (Asbjörnsen 1854). — Sweden: off Göteborg (Malm 

 1858). Scotland (Forbes & Hanley 1853). Ireland (Nichols 1899). Portugal 

 (Nobre 1905). - Mediterranean: coast of Piemont (Carus 1889). 



Retusa substriata (Jeffreys 1877). 



Distribution: West Greenland 59° 10' X. 50° 25' W.. 1750 fms 1 sh., fragment (Jeffreys 1S77). 



Retusa nitidula (Loven 1846). 

 Habitat: 



West coast of Sweden: Skäne, Kullen (Lilljeborg) 1 sh. — Halland, Varberg 

 (Torell) 3 shs. - Bohuslän: ')Vinga, Marstrand, 25 fms, sand and stones (Lindahl) 



