238. 
239. 
940. 
241. 
249. 
243. 
244. 
245. 
246. 
247. 
248. 
249. 
250. 
251. 
— 160 — 
XLII. Gen. Anodonta Cuv. 
Anodonta [s. str.] eygnea L. (+ mut. plana). 
var. cordata Rossm. 
var. eucypha Bourg. 
var. cellensoides Buchner. 
Anodonta [s. str.] cellensis (Gmel.) Schrött. 
v. rostrata (Brot.) Held (s. rostrata Kstr, non (Kok.) 
Rossm.). 
var. anserirostris Küst. 
Anodonta [s. str.] piscinalis Nilss. 
var. ponderosa C. Pfr. 
var. opalina Küst. 
var. ventricosa C. Pfr. 
Anodonta [s. str.] anatina L. (4 mut. parva). 
Anodonta [Pseudanodonta Bourg.| complanata Ziegl. 
(s. compressa Mke.) (+ mut. parva). 
var. Kletti Rossm. (s. rhomboides Schlüt.) 
Fam. Cycladidae. 
XLII. Gen. Sphaerium Scop. (s. Cyclas Brug.). 
Sphaerium [Sphaeriastrum Bourg.] rivicola Leach. 
var. Boettgerianum Bgt. 
Sphaerium [Cyrenastrum Bgt.] solidum Normand. 
Sphaerium [Corneola Cless.] corneum L. 
var. nucleus Stud. 
var. firmum Cless. 
Sphaerium [Corneola Cless.] Scaldianum Norm. 
Sphaerium [Corneola Cless.] fragile Cless. 
Sphaerium [Corneola Cless.] ovale Fer. (s. Drapar- 
naldii Cless.). 
Sphaerium [Corneola Cless.] mammillanum Wester!. 
var. ventricosum Jord. 
Sphaerium [Corneola Cless.| duplicatum (less. 
Sphaerium [Musceulium Link s. Calyculina Cless.] 
pilacre Westr. 
f. majus W. 
