Mollusques terrestres et d'eau douce. 169 



rumque exaltata; nates planœ, undulatœ, saepe ferrugineœ. (Concha 

 junior?). — 



Hab. In Suecia formam normalem ad Wadstena prov. Östergöt- 

 land cepit et numerosa et maxima spec, misit beat. E. V. Goës; in prov. 

 Småland gubern. Jönköping in Skiresjön (teste Malm); cellensis in prov. 

 Skåne, Småland, Östergötland passim frequens, rarior in prov. Ne- 

 rike (in lacu Tisaren: Hartman), ad Stockholm (iu piscina ad Carlberg: 

 Malm), in prov. Dalarne (in lacu Ösjön par. P'alkärna: C.G.Andersson!). 



ANODONÏA 'COMPLANATA Ziegl., Rossm. 



Concha elongato-elliptica, compressa, antice et postice attenuata, 

 striata, fusciila, viride et luteo cingulata; margo-dorsalis ascendens, rectus, 

 ventralis leviter arcuatus, antice curvatus; umbones convexiusculi, fere an- 

 tici; area parva, compressa, subrhombea. Long. 46 — 65, alt. 27 — 35, er. 

 13—18 mm. 



Anodonta complanata llossmässler Iconogr. I (1835) p. 112. f. G8; IV (1836) p. 24. 



f. 283. Nord, et Nyl. Fini. Moll. (1856) p. 89. f. 77. 

 Anodonta cygnea ß complanata Westerluud Sv. Moll. (1865) p. 135. 



Hab. In Suecia, prov. Skåne (ex. gr. in Noseå, Alma å), prov. 

 Småland, gub. Kalmar, prov. Östergötland multis locis (ex. gr. Motala 

 ström, in lacubus Omen et Tåkern , in ämne ad Söderköping etc), prov. 

 Upland, prov. Westman land (in Svartån ad Westerås: Johanson!), 

 prov. Dalarne (in lacubus Hönsan, Hyen, Brunnsjön: C. G. Andersson!!). 



ANADONTA * ANATINA (Lix.). 



Concha ovata, viridi-fusca, tenuis, compressiuscula, postice älta, ro- 

 stro lato, antice humilis; area compressa, medio angulata, utrinque radiis 

 viridibus plus minus conspicuis circumscripta; margo ligamentalis, rectus, 

 postligamenfalis declivus, rectus vel leviter concavus, ventralis ante medium 

 subretusus, utrinque sensim adscendens; nates extremitati ajjproximatœ. Long. 

 59—80, alt. 25—45, er. 16—27 mm. 



Anodonta anatitia ß et y Nilsson Hist. Moll. Su. (1822) p. 115. A. anat. ßossmässler 

 Iconogr. figg. 419!, 417, 418 (420). Westerlnnd Coll. Typ. Moll. Su. (1868) 

 n:o 135. 

 Anodonta cygnea y anatina Westerl. Sv. Moll. (1865) p. 135. 



t 

 Nova Acta Reg. Soc. Sc. Ups. Ser. lU. 22 



