78 



I MOLLUSCHI DEI TERRENI TERZIARII DEL PIEMONTE E3C. 



Trigonostoma babilonicum, p 16 

 Id. var. Bellardii, p. 5 

 Id. var. cancellatina, p. 12 

 Id. cassideum, p. 7, 8, 9 



Id. clirysostoma, p. 16 



Id. var. couvexior, p. ] 7 

 Id. var. compressula, p. 15 

 Id. var. costatissima, p. 15 

 Id. var. costicillatina, p. 14 

 Id. var. costulatior, p. 17 

 Id. crassicosta, p. 13 



Id. var. crassocostata, p. 1.5 

 Id. creuiferum, p. 10 



Id. var. depressocostata, p. 11 

 Id. dertocassideuni, p. 8 



Id. var. dertoeosticillata, p. 13 

 Id. vai', dertoparva. p. 7 

 Id. vai", dertopostica, p. 12 

 Id. var. dertumbilicata, p. 10 

 Id. var. druentica, p. 13 

 Id. var. echinata, p. 8 

 Id. var. errata, p. 15 

 Id. var. exampullacoa, p. 10 

 Id. var. excassidea, p. 8 

 Id. exgeslini, p. 22 



Id. var. exumbilicaris, p. 6 

 Id. fenestratum, p. 9, 11, 12, 13, 18 



Id. goniostoma, p. Itj 



Id. var. g-racilina, p. 13 

 Id. gradatnm, p. 6, 10, 22 



Id. imbricatum, p. 9, 12, 13 



Id. impi-essura, p. 16 



Id. var. laevior, p. 12 

 Id. var. ligustica, p. 6 

 Id. var. Masferreri, p. 13 

 Id. Miclielinii, p. 7, 12, 14, 15, 16 



Id. mioceuicum, p. 8 



Id. var. raiocrassa, p. 7 

 Id. Neugeboreni, p. 11 



Id. oligolongum, p. 4 



Id. var. ovatoventricosa, p. 15 

 Id. var. parvocrassa, p. 9 

 Id. var. parv'otriangula, p. 0, 11 

 Id. var. paucicostata, p. 8 

 Id. var. percostatoacuta, p. 15 

 Id. var. percostatula, p. 14 

 Id. var. percrassulata, p. 15 

 Id. var. polonica, p. 12 

 Id. polonicum, p. 12 



Id. protrigonostoina, p. 4 



Id. var. Paschi, p. 11 

 Id. rigidum, p. 9. 16 



Id. var. scabroides, p. 10 

 Id. scabrum, p. 6, 8, 10 



Trigonostoma scrobiculatum, p. 13, 14, 15 



Id. var. spinosella, p. 5 



Id. var. spiratior, p. 8 



Id. subacumi natura, p. 15 



td. var. subauriculata, p. 7 



Id. var. supracostulata, p. 11, 12 



Id. var. tauracuta, p. 12 



Id. taurapertum, p. 11, 73 



Id. var. taurocounecteus, p. 11 



Id. var. taurocosticillata, p. 7 



Id. taurocrassum, p. 7, 73 



Id. var. tauroelongata, p. 11 



Id. taurohievigatuin, p. 12 



Id. var. tauroparvula, p. 10 



Id. var. tauropercostata, p. 10 



Id. var. tera, p. 16 



Id. trigonostoma, p. 4 



Id. var. turritior, p. 9 



Id. umbilicare, p. 4, 5, 10 



Uxia p. 53 

 Uxia, p. 48, 54, 62 

 Id. Boutillieri, p. 05 

 Id. brauniana, p. 53 

 Id. costulata, p. 53 

 Id. crenulata, p. 53 

 Id. delecta, p. 53 

 Id. deperdita, p. 53 

 Id. harpa, p. 53 

 Id. Sandbergeri, p. 53 

 Id. Semperi, p. 53 

 Id. turrituloides, p. 53 

 "Ventri] ia, p. 19 

 Ventrilia var. alternicùstula, p. 19 



Id. obsoleta, 20 



Id. var. pliopostica, p. 19 



Id. var. pseudovilia, p. 20, 21 



Id. semidisjuucta, p. 19 



Id. var. sulcata, p. 19 



Id. var. taurinia, p. 19 



Id. var. taurocostatior, p. 20 



Id. var. taurolatior, p. 2(j 



Id. trochlearis, p. 19 



Voluta ampullacea, p. 9 



Id. calcarata, p. 32 



Id. cancellata, p. 37 



Id. cassidea, p. 7 



Id. hirta, p. 27 



Id. lyrata, p. 59 



Id. mitraeformis, p. 68 



Id. piscatoria, p. 26 



Id. spinulosa, p. 60 



Id. tribulus, p. 63 



Id. umbiUcaris, p. 4, 5, 6 



