193 



Artemis POLL 



283. A. exoleta (Venus) L., MONT., (Cytherea) LAMK., MACG., (Art.) 

 AGASS. Lunula ad long. t. ut 1 : 7,2. Boh. Bergen. 



284. A. lincta (Venus) PULT. , (Cytherea) LAMK., (Artemis) AGASS., 

 BROWN = V. exoleta /? MAT. et RACK. = LIST. t. 290 f. 126. Boh. 



285. A. comta n., an = A. lincta MACG.? T. sublentiformis, non- 

 nihil Jongior quam alta, tenuis, convexa; margo Jigamentalis 

 subrectus, productus, cum postico subangulatus; Junula impres- 

 sa , cordata, convexa, ad long. t. ut 1:6,7; striae tenues, pa- 

 rum regulares, medio appressae, utrinque erectae, sublamellaceae; 

 lamina cardinalis angusta, postice attenuata, apicem impressionis 

 muscularis vix attingens; dens Junularis v. sin. cum cardinali 

 angulum fere rectum formans, d. cardin. et ligamentalis ap- 

 proximati, hie subreclus, fossa ligamentalis angusta, linearis; 

 d. accessorius validus; in v. d. fossa cardin. magna; -f|, cr. 16; 

 2 $-/ cr. 13; TT:!T> cr - 10?5 mm. Differ t ab A. exoleta testa ma- 

 gis convexa, striis tenuioribus, lunula nonnihil longiore, ab A. 

 lincta, striis paullum fortioribus, ab utraque forma magis elon- 

 gata, lamina cardinali angustiore, dente accessorio valido, testa 

 tenuiore. Boh. 



286. V. casina L., GM., (excl. syn. LIST.) CHEMN., SCHROTER, TURT. , 

 BROWN. T. ovato-cordata; lunula depressa, convexa, cordata; 

 margo anticus sub lunula subito productus, dein arcuatus; la- 

 mellae circ. 40 antice confertae, revolutae, postice discedentes, 

 patentes; , crass. 24 mm. Bergen Vardde. 



287. V. fasciata (Pectunculus) DAG., DON., DESH. , PHIL, (non GM.), 

 = V. paphia MONT, (non L.), = V. dysera "L." BROCCHI (non 

 L.) = V. Brogniarti PAYR. Boh. Bergen. 



288. V. stria tula (Pectunculus) DAG., DON., MONT., HANL. = V. 

 rugosa var. A PENN. = V. gallina L. F. S. , DILLW. , TURT. (non 

 L. S. N., CHEMN., = HANL., \ 6, 42; an = LIST. Con. 281, 119; >)*, 

 annon = V. senilis BROCCHI, PHIL.? a] = LIST. Con. t. 282 f. 

 120. T. cordato-trigona, tumida, solida, nitidula; laminae nu- 

 merosac, confertae, antice et postice tenues, hie arcuatae, illic si- 

 nuatae, medio reclinatae, deplanatae, imbricatae, rugas saepius 

 formanfes, binis 1. ternis scil. confluentibus; alba, radiata, li- 

 neolis fulminatis rufis; || cr. 15,5. /?) = V. laminosa TURT. 

 (vix MONT,, LASK.) = V. sulcata BROWN = V. prideauxiana "LEACH", 

 MACG. T. cordato-trigona, elongata, modice convexa, tenuis, 

 subrudis; laminae pauciores, distantes, undique tenues, foliaceae, 

 simpliees; sordide albida, pictura obsoleta; fj\-, cr. 12,5 mm. 

 Speciem crcderes propriam, sed formae connectentes non rarae, 

 Jaminis tenuibus, simplicibus crebris, 1. crassiusculis distantibus; 

 utraque, dum junior, laminis simplicibus praedita = V. costata 

 BROWN. Adulta vero est y] arctica, pumila, postice obtusa, mo- 



