'tMB»' 



2)e oi>erorbcttIi(3 t^nbe, letSrccflettge, faa at (tgc membra* 

 nefc ©fatter laraltertfere noffom benne 2lrt, font netere er 

 l>ef!reJ)en i 1 33. 4 J&,, ^. 360—61 o(j ^er er aft){tbet i be 

 3 ferjie Sigurerj Slpgflfattett^ rette gorm, 03 ben neberjle 

 ©tbejlat^ trapejotbale, Wgenbe %iQux nteb umbo nceflen 

 ligc mtbt t ben rette S3ugrattb, flt'tte t^betigen benne 

 $lrt inb unber bet ©raffle ©ut)genu^ Cineras (Senoclita 

 Schum) font en D^ergan^ tit Anatifera Gray. 



^er i)tl jieg enbnu lun tilfm'e at ben iJtfer ftg oi>er^ 

 urbenltg ubt)rebt i bet rene @ln't)efribt cq forelontmer me^ 

 {jet talrtgen, foruben ^aa be for^en angtone ^unlter i £)nt* 

 egnen af ^latSorg 03 t ^^9, ocjfaa ^aa 5D?een, :^t>orfra 

 lXttii)erfttet^ntufeet :^ar ben, 03 )(>aa @tei)n^, ^t)or ^err Dr. 

 S5e(l ^ar funbet ben. — ^^erimob ^ar jeg iffe fnnbet (Spor 

 af ben t be ^ribtjl^lfer, fom Unit^erfltet^mufeet o^'besoarer 

 fra (ingknb ocj granfrig. 



2. Anatifera tiirg^ida. Stp. 



Valvis .mognis, ventricosis, extus punctato striatis, intus 

 striato sulcatis, dor so fere medio instructis. 

 Fig. 4 09 5. 

 Valva dorsalis? 

 Valva lat. superior oblonga; extremitas altera truncata, 



altera rotundata. l.=6'", Iat=3'"; fig. 4. 



Valva lat. inferior, aviculaeformis, seu oblique cordiformis, 



subtriangularis ; margines in figuram S. formati, excepto 



anterior! recto aut subangulato. 1=7'", lat 6"' ; fig- 5. 



Zil benne flore 03 mcerbarbt^c gorm ^ar $err Singe* 



lixt fenbt mi(j 7 @!ato, ^»oraf tfcer tt^enbe, en 0S?erfie og 



en neberj^e ©tbeffal, ere nteget gobt :bet)arebej be ere atte 



fra €arU^anttt i ^Uam, 03 jleg ^ar tffe feet anbet* 



fleb^fra noget , fom Itgnebc bent , fetter iffe i gorfteninQ^- 



