XXXVI 



I MOLLUSCHI DEI TERRENI TERZIARI DEL PIEMONTE ECC. 



■VertlcorcTlida. XXIX 

 Vertigo XXII 



Vertigo XXII 



Vesica XXX 



VlLLIERSIKLLA XXX 

 VlTRAEA XXII 

 VlTREOLINA XI 

 VlTRINA XXII 



VltrJnidi*»? XX II 



VlTULARIA III, XXX 



Vivipara XVIII 

 Vola XXIV 



Vohda III. IV, V, VI, VII 

 XII, XV, XVI, XXII, XXX 

 Voluteììa XXX 

 "Volutldae VI 



VOLUTILITHES VI, XXX 



Volutilithes XIII, XXX 



Volutites III 

 VoLVA XV, XXX 

 Volvaria XXK 



VOLVARINA VI, XXX 

 VOLVDLA XXII 



Volvulella XXII 

 Volvulus XXII 



VCLGOCERITHIUM XVII 

 VULGDSELLA XV 

 VULSELLA XXV, XXX 



Vulsellidae XXV.XXX 



Xenopliorìda>' XX 



Xenophora XX, XXX 

 Xenophorus XX 

 Xylophaga XXIX 



YOLDIA XXVI 



Yoldia XXVI 



Zaria XIX 

 Zebina XVIII 

 Zebinella >;VIII 

 Zebinella XVII 

 Zeidora XXII 

 Zenobia XXII 

 Zeuxis XXX 



ZlPPORA XVIII 



Ziziphiiius XM 



ZoNARiA XV, x;xx 



Zonarina XV, X.\X 

 Zonai'ius XXX 

 ZuA XXII 



WiLLIAMIA X}', n 



