Gastropoda. 



IIG 



2231 



Conteinniscala n. subgen. Boury. 

 6421. 



Coroniscala n. siibgen. Boury. 6421. 



CrebriscaZa u. subgen. Boury. 0421. 



Cylindriscala n. subgen. Boury. 6421_ 



Delicatiscala n. subgen. Boury. G421. 



Dioissiscala n. subgen. Boury. 6421. 



Bipresf^iscala n. subgen. Boury. 

 6421. 



Dr'tUia collahorata n. nora. Staadt. 

 7090. 



Dulciscala n. subgen. Boury. 0421. 



Ehurniscala n. subgen. Boury. 0421. 

 Eucydotropts n. nom. Cossmann. 

 .6494. 



Evolutiscala n. subgen. Boury. 0421. 



Firmiscala n. subgen. Boury. 0421. 



Foveoscala n. subgen. Boury. 0421. 



Glabriseala n.snhgen. Boury. 0421. 



Glollscala n. subgen. Boury. 0421. 



GracUiscala n. subgen. Boury. 0421. 



Gradatiseala n. subgen. Boury. 6421. 



Gj-anuliscala n. suhgen. Boury. 6421. 

 Jlaliotis. Delhars. 6512. 



KittUtrochus n. nom. Cossmann. 

 '6494. 



Laeviscala n. subgen. BOTiry. 6421. 

 LamelUscala n. suhgen. Boury. 6421. 

 Lineoscala n. subgen. Boury. 6421. 

 Linniscala n. subgen. Boury. 6421. 

 Liriacala n, subgen. Boury. 6421. 

 Loncjiscala n. subgen. Boury. 0121. 

 Longstaffia n. nom. Cossmann. 6194. 

 Lymnaea nashotahmfiis n. Kp. Wis- 

 consin, Marl beds. Baker. 0.3(J0. 

 Mammiscala n. suljgen. Boury. 0421. 



Meaalia tunisiensis n. nom. Coss- 

 mann. Rev. crit. paleozool. Paris 11 

 1907 (04). 



Murcx hino7ninalus n. nom. Staadt. 

 7090. 



Minutiacala n. subgen. Boury, 6421- 



N'ltidiscala n. subgen. Boury. 6421. 



Papyriaccda n.snhgen. Boury. 6421. 



Perneritroehua n. nom. Cossmann. 

 0494. 



Plesioarcisa n. subgen. Boury. 6421. 



Pseudoarcisa n.snhgen. Boury. 0421. 



Pyramiscala n.snhgen. Boury. 0421. 



BeeticuUscala n. subgen. Boury. 

 0421. 



Rudisc.ala n. subgen. Boury. 0421. 



Sodaliscala n. subgen. Boury. 0421. 



Solarium doncieuxi n. nom. Staadt. 

 7090. 



Spimscala n. subgen. Boury. 0421. 



Sti-iatiacala n. subgen. Boury. 6421. 



Suhidiaeala n. subgen. Boury. 0421. 



Turhiniseala n. subgen. Boury. 6421. 



Undiscala n. subgen. Boury. 6421. 



Varieiscala n. subgen. Boury. 0421 . 



Viciniseala n. subgen. Boury. 6421. 



2231.50 LOWER PALAEOZOIC. 



Cataschisma typa n. gen. et sp. Mis- 

 souri, Ordovician. Branson. 6429. 



Conidaria nn. spp. Central Bohemia, 

 Lower palaeozoic. Zelizko. 7249. 



Cydonema gortan'ii n. sp. Passo di 

 Volaia. Vinassa de Regny. 7180. 



Eecidiomphalus fredericus n. sp. New 

 York, Ordovician. Raymond. 6941. 



IleUeotomn viissoiiy'icnsis n. sp. Mis- 

 souri, Ordovician. Branson. 6429. 



Tlormotoma nn. spp. Missouri, Ordo- 

 vician. Branson. 6429. 



llyoVithus ejpovicensia n. sp. Central 

 Bohemia, Lower palaeozoic. Zelizko. 

 7249. 



Spir'ma consitdo n. sp. Passo di 

 ^'oh^ia. Vinassa de Regny. 7180. 



2231.55 UPPER PALAEOZOIC. 



]ldlrroj)]ion nn. spj). D(Mitschland. 

 Spriestersbacli und Fuchs. 7080. 



]}cntalium applanalum n. sp. Iserlohn. 

 Torloy. 7145. 



Jfyoltthes onydua n. s]-). Deutschland. 

 Spriestersbach imd Fuchs. 7080. 



hn.voncmn nslilnvnise n. sp. Bristol, 

 Carboniferous. Bolton. 6415. 



