Acta Societatis pro Fauna et Flora Fennica, XIII, N:o 7. 165 



stice in rostrixm medianum obtusum angarstata, margine 

 superiore toto regulariter extense convexo, veiitrali us- 

 que ad medium stricto, deinde saccato, postea oblique 

 stricteque ad medium ascendente; long. 75, alt. 36, cr. 25 

 mm. — Suecia in Skane (Kopingea), Smaland (in Wersion, 

 Bodasjon, Eman et Hulingen), Ostergotland (in Kisasjon, 

 Follingarne, Asunden, Kofleforsau, Hargsjon, Svartan etc). 



fff Umbones tulerculati. Dens carcl. valvce dextrce compres- 

 sus, tenuis, lamelliformis, longitudinalis, posteriore val- 

 vce sin. minimo vel nullo- 



U. rostratus Lam. (Anim. s. vert. VI, 1819). C. longa, humilis, 

 supra et infra subparallela, pallida, antice prolongata, sse- 

 pissime late rotundata, non angulata, postice plus quam 

 triplo longior, superne angulata, angustata, in rostrum me- 

 dianum cuneiforme, SiX^pius truncatum, raro paullisper li- 

 mosum elongata, carina ligamentali distincta, angulata, 

 margine ventrali recto v. retuso, postice longe recteque 

 ascendente; umbones tumidi, prominentes ; callus margina- 

 lis latus, planus. — U. pictorum Auct., nec Linne, qui 

 varietas U. tumidi sit. Cfr. West. Fauna palaarkt. VII, 

 1890 p. 104. 



Typus: c. juvenis rufescenti fulvida, deinde olivaceofulvida 

 vel et prsecipue luteoviridis, striis zoniformibus subrugo- 

 sis fuscis; long. 90, alt. 37, cr. 27 mm. — Eossm. Icon. f. 

 196. 



Forma maximct : c. rugis incrementi dimidii antice for- 

 tioribus, dimidii postici obsoletis; long. 110—115, alt. 

 40, cr. 30—33 mm. 

 Forma pumila: long. 70—80, alt. 30 mm. 



Hal). Suecia in Skane, Smaland, Westergotland, Ostergot- 

 land, Nerike, Wermland, Upland et Westmanland. — Dania 

 rarior. Forma maxima: Dania in Sja:41and (Damhuussoen). — 

 Fennia supra Hallisfors in amne Aura (Mus. Helsingf.). 



Var. clelphinus Spengl. (Skr. Nat. hist. Selsk. 1793): c. elon- 

 gato-ovata, leevis, nitida, antice circularis, depressa, su- 

 perne Isete viridis, de ceetero pallide lutea, umbonibus ci- 

 nereis, latis altisque, zona fuscobrunnea circumscriptis; 

 long. 50—80 mm. — Dania in Sja?lland (in Ladegaardsaaen 

 pr. Kjobenhavn, in amne inter Farum So et Fuurso, Haldso, 

 Eosborgso etc). — Eossm. Icon. f. 71 a. b. jun. 



