194 



convoxn, angulo dorsali valdc obluso, marginc vent rail ar- 

 rtialo, laminis parum numerosis (18 20)incdio appressis, ulrin- 

 quo liberis, tenuibus, jtoslice ongulato-recurvis; vJIg, cr. 5, 

 J rum. Kullen Finm. 



289. V. <>\a(a PKNN., MONT., LAMK., = V. radiata BROCCHI, PHIL., = 

 V. pcclinula LAMK. = V. spadicca "REN.*' NYST. Kuiicn Finm. 



200. V. undntn PKNN., MONT., PHIL., (Lucina) LAMK., TURT., BROWN, 

 (Gylhcrca) MACG., (Artemis) RECL. Boh. Finm. 



291. V. virago n., = V. virginea ANGL., (non L.) ; an = V. 

 virginca var. lalcro antico attonuato-clongato TURT. Biv. 156?; 

 an = V. florida LAMK.? T. crassiuscula, modice convexa, 

 elliptica; umboncs ad { anticam siti, parvi, parum lumidi; mar- 

 go dorsalis posticus modice arcuatus, angulum obsolelum prae- 

 bens, pone ligamentum utnnque in carinam obtusam elevalus, 

 cum marginc ventral! sub anguJo subacuto rotundato conflucns; 

 margo anterior subrectus; lunula cordato-Janceolata , vix impres- 

 sa; sulci concentrici lineares, regulares, passim leviter undati, 

 postice profundius exarati , juxta marginem ventraJcm crebri , 

 irregulares. Dentes divergentes, extimis angulum rectum I. sub- 

 obtusum formantibus; in valva sin. rnedius validus, bifidus, an- 

 ticus compressus, prominulus, posticus lenuis, cultratus; in v. 

 dextra medius et posticus bifidi, anticus compressus, cultratus. 

 Sinus palliaris semiellipticus, lat. ad long. = 1 : 1,8, medium 

 l<--t;e non attingens; angulus acutissimus. Colore var. a] alba 

 lineolis rufis fulguratis, in radios tres interruptos congestis; fi) 

 roseo-alba, rufo punctata, radiis quatuor angustis albis spadiceo 

 maculatis. Lunula in ulraque rufa, area ad medium ligament] 

 utrinque macula angulata spadicea, umbones unicolores, rosei, 

 apicibus flavis; ^, cr. 28; ^?, cr - 22 mm - Forma inter V. 

 Deshaysii HANL. 16,35 = CHEMN. VII, 439 a TURT. cilatam , et 

 CHEMN. VII, 443 (= V. texturata LAMK. etc.) a MONT, citatam 

 fere intermedia. (SARS, KOREN dd.) Norv. 



292. V. aurea GM , MOHT., TURT., LAMK., PHIL. = V. literata L. F. 

 S. (non S. N.) Boh. Norv. 



293. V. pullastra MONT., TURT., LAMK. (Venerupis) FLMG. 



Boh. Finm. 



Sa.vicava FL. DE BELL. 



294. S. rugosa (Mylilus) L., MONT., DON., TURT., LAMK. = Myt. 

 pholadis L., Mi KLL. , (Saxicava) LAMK., DESH., TURT. = Mya bys- 

 sifera O. FABR. = S. dislorla "SAY," GOULD. Cardo pleruin- 

 que edentulus, nymphae intus tumidx. Kullen Finm. 



295. S. arctica (Mya) L., MUELL., 0. FABR., (Cardita) BRUG., (Hia- 

 tella DAUD.) LAMK., (Anatina) TURT. (d. card. v. d. fracto?) = 

 C.hama aculeata STROM = "Donax rhomboides POLI" (Saxicava) 



S. dislorla "SAT" GOULD. a) Antice oblique trim- 



