Mk. | Mk. 
tJeffreysi, Waller Magerö 0,1015) striatula, Mntg. Ins. norm. |0,10-15 
lactea, Mich. Adria 0,1015) variabilis, Mühlf. M. med. |0,5-10 
Laneiae, Cale. M. med. |0,5-10 | ventricosa, Desm. & v. striata 
lineata, Risso Algeria |0,5-10 M. med. |0,5-10 
Marginata, Mich. Provence (),10-15| violacea, Desm. M. m. etc. |0,5-10 
Mariae, Hörnes M. med. |0,10-15| „ v. porifera Ansl. ;0,10:15 
membranacea, Adms. „  ,0,5-10 |vitrea, Mntg. Ale, & „ 10,30.40 
„ v. elongata Toscana |0,5-10 | zetlandica, Mtg. Norv. etc. 0,1525 
„ v. ventricosa M. med. |0,5-10 | Rissoina Bruguieri Payr. 
. x. baltica Wiesmar |0,5-10 M. med. \0,5-10 
monodonta, Biv. M. med. 0,5-10 | Peringiella levis, Monteros. 
Montagui, Payr. „  |0,5-10 Algeria |0,20-30 
mucronata, Mor. (?= costu- Truneat. truncatula,L. Angl. |0,5-10 
lata, Ris.) M. med. |0,5-10 „ v. levigata 2015220) 
obseura, Phil. »  /0,5-10 | Scalaria pseudoscalaris, Br. 
octona, L. Baltie |0,10-15 Algeria |035-,45 
parva, Da Costa Cornwall |0,5-10 Bela 
„ v. interrupta, Ad... |0,5-10 | exarata, Mte. Vadsö \0,30:50 
„ v. exilis, Jeff. »  10,5-10 | secalina, Phil. Algeria |0,30-40 
„ v. minima&maxima,„ [0,5-10 | Tseptangularis, Phil, Angl. 
„ nigra-albocostata „ 0,1015 & M. med. |0,20:30 
punetura, Mntg. Angl. 0,5-10 | Ttenuicostata, SarsNorv.oce. | 0,50 
pusilla, Phil. Algeria |0,10-15| Trevelyana,Turt.Norveg.oee. | 0,40 
radiata, Hanl. » . /0,10-15 & Angl. 
„  v. levigata in 0,10-15| turricula, Mntg. Island |0,20:30 
reticulata, Mntg. Angl. 0,5-10 | „ v.tenuicostata Hibern. [0,3040 
rudis, Phil. Algeria 0,5-10 | „ v.nobilis&rosea Finm. | 0,40 
Eye rula I 0,10-15\ Mangelia 
saturata, Frnfld. Adria |0,10-15| costata, Don. Anglia |0,20-30 
saxatilis, Möll. Finmarkia 0,10-15| Stosiciana, Brus. Algeria |0,35:40 
semistriata, Matg. Angl. paciniana, Calca. » 192030 
& M. med. |0,5-10 „ v. levis Cannes | 0,20 
seminulum, Monteros. Alger. 0,25-30| rugulosa, Phil. Algeria |0,2580 
similis, Seace. » 05-10) „ v. albida, Dsh. '„ 0,5040 
„ v. levis »  \0,5-10 »„ v. lineata, Aucts. „ 10,30°45 
„  v. ecostata » .'0,10-15| taeniata, Dsh. M. med.|0,30-40 
soluta, Phil. Anglia |0,5-10 | Vauquelini, Payr. »  10,30.40 
splendida, Eichw. Adria 0,1520 Raphitoma 
striata, Adms. &v. arct. Norv. \0,5-10 || brachystoma, Phl. »  |9,30-40 
