Acta Societatis pro Fauna et Flora Fennica, XIII, n:o 7. 15 



nereo-nebulosus, cinereus, lcevis, tenellus, Hyal. iJetronella, ptira, (alliaria, an- 

 tea a clariss. Steenstrup ad Arendal inventa), Arion ater v. medius nov., 

 cinereo-nebulosus nov. {albus antea a Miiller et Fabricius inventus), He- 

 lix hort. V. hybrida, arbust. v. depressa, hisp. v. depilata, acideata v. sublce- 

 vis, Zua lubr. v. minima, Pupa antivertigo, gravida n. sp. (Vert. pachy- 

 gaster Jens. non Z. & Rossm.), Ulljeborgi („Vert. ovata Say?" J.), cdpe- 

 stris, V. mitis tridentata, Claus. ventricosa, sejuncta, Succ. oblonga, arenaria. 

 Plan. glaber, complanatus, Ancylus fluviatilis, lacustris, Pisid. milium, 2^er- 

 sonatum et nitidum. 



Georg Ossian Sars. 



Nat. 20/^ 1837, civ. acad. in Kristiania 1857, zool. prof. ib. 1874, 

 preecipue studia animalium iufer. marinorum coluit. 



— Mollusca regionis arcticge Norvegiae, 1878. 



Birgithe Esmark, Naturse curiosa virgo norvegica. 



— In Nyt Magazin for Naturvid. 1879 p. 215—223: Bi- 

 drag til Kundskaben om Udbredelsen af Norges Land- og Fersk- 

 vandsmollusker i forskjellige Egne af Landet. 



— Ibid. 1880 p. 77—110 c. 1 tab.: Nyt Bidrag til Kund- 

 skaben om Norges Land- og FerskvandsMollusker. 



— In Tromso Museums Aarshefter 1882 p. 93 — 104: Land 

 and Freshwater Mollusca in the arctic regions of Norway. 



— In Journ. of Conch., London, V. p. 129 — 150: On the 

 Land and Freshwater Mollusca of Norway. 



— In Malak. Blatter N. F. 1883 p. 1—6: Die Pisidien 

 des siidhchen Norwegens. 



— Ibid. 1886 p. 84—123: Die Land- und Siisswasser- 

 mollusken des arktischen Norwegens. 



Forte nec injuste nec inepte sit referre clar. Clessin Auctori de 

 fauna norvegica meritissimse familiam Sphseriidee, me genus Planorbis, 

 alios malacologos alia quse colligit vel colligere curavit determinavisse. 

 Novitise fauuae norvegicse sunt: Vitrea contracta, Zonitoides norvegicus 

 B. E., Helix arbust. v. picea (v. fragilis B. E.), Pupa arctica, substriata, 

 Succ. pfeiff. V. contorta, Limncea palustris v. turricula, truncatula v. mi- 

 crostoma, v. maximella. v. schneideri B. E., v. compressa B. E., Plan. albus 

 V. cinctutus, borealis, v. flexus, v. angigyrus, stromi, concinnus, Sphcerium 

 mamillanum, Pisidium globidare, obtusale v. esmarchianum, pulchellum, mi- 

 lium, subtruncatum, pallidum, pusillum, scholtzi. Anocl. stdcata. 



