138 C.-A. Westerlund, 



a, rarior. Crist, forma a) prov. Skåne ad Rosenlund (dar. B. Lundgren !!) 

 et in Rörsjön prope Malmö (O. Nordstedt!!), nec non ad Lund (O. Nordst. !!), 

 prov. Blekinge ad Carlsliamn. Li Norvegia ad Christiania (Friele). 



5. Hippeutis Ac4ass. Testa lenticularis, anfractibus paiicis, depressis- 

 simis, ultimo forte anipliato; apertura depressa, oblique cordata. 



14. PLANORBIS COMPLANATÜS (Linné). 



2'esta tenuis, plana, subdiapliana, supra convexiuscula, medio vix 

 irapressa, subtus anguste sed profunde umbilicata, nitidula, subcinerea, fusco- 

 flavescens vel fulva (interdum albida); mifr. 4, valde depressi, ultimus sub- 

 tilissime transversim striatus, forte ampliatus; apertura perobliqua, perverse 

 cordata; peristoma simplex, acutum, margine dextro arcuate producto, sini- 

 stro subrecto. Diam. 4 — 5 mm. Animal atro-cinereura vel cœrulescens, 

 tentaculis pallide cinereis, pede brevissimo et lato, vel griseo-lutescens , li- 

 nea colli utrinque grisea. 



Helix complanata Linné Syst. Nat. X (1758) p. 709; XII (17G7); Pauna Su. ed. 2 



(1746) p. 374; ed. 2 (17G1) p. 527. 

 Helix foidana Lightfoot in Pliil. Trans. LXXVI (178G) p. 1G5. 

 Planorhis complanatus Diapainaud Hist. Moll. (1805) p. 47. t. 2. f. 20—22. Koss- 



raässler Iconogr. II (1835) p. IG. f. IIG. Lilljeboiif Vet. Akad. Öfvers. 1851. 



p. 282. Malm Oöteb. Vet., Vitt. Samlas Handl. Ill (1855) p. 139. Mörch Syn. 



Moll. Dan. (1864) p. 54. Westerlund Sv. Moll. (1865) p. 108; Coll. Typ. JIoll. 



Su. (1868) n:o 99. 

 Planm-bis fmitanus Fleming, Stein Sclin. n. Muscli. Berl. (1850) p. 79. t. 2. f. 22. 



Malm Goteb. Vet., Vitt. Samh-.s liandl. II (1851) p. 129. Moqnin-Tandon Moll. 



Fr. II (1855) p. 426. t. 30. f. 10 17. Reeve Brit. Moll. (18G3) p. 147. 

 Planorhis lenticularis Sturm. 

 Planorhis nitidus Gray in Turt. Man. (1840) p. 2G8. Jeffreys Brit. Concli. I (18G2) 



p. 81. 



ß virescenti-alba. 



Hab. In Suecia, prov. Skåne ad Benestad (Lilljeborg) , Lund 

 (O. Nordstedt!!), Hjelmslund (J. Lindahl!!), Lillö prope Christianstad et 

 in Lillasjö; prov. Blekinge ad Ronneby; prov. Halland (teste amie. Zet- 

 terstedt!); ins. Gotland in Davidså ad Tröjeborg et in Gothems å (Lind- 

 ström); prov. Östergötland in Furåsa bete prope Lunna (E. v. Goes!!); 

 prov. Westergötlaud ad Göteborg in Stadsvassen et in fluvio Göta elf 

 juxta Färjevägen (Malm); prov. Nerike ad Örebro in piscinis horti arcis 

 et in Arnängarue, in fluvio Svartån prope Skibäck, in piscinis ad P^splunda 



