INDICE DEL VOLUME IV 



oligocaenica (Stylastraea) . 

 oligoflabellatus (Aequipecten) 

 oligopercostatum (Peplum), 

 oligopercostatus ( Aequipecton) 

 oligoradiata (Pycnodonta) . 

 oligosquamosus (Aeqiiipecten '^\ 

 Ombonii (Scbizodelphis) 

 ONCOLEPIS .... 

 paiilinia (Helix) . 

 Pellegrinii (Conns) 

 Pellizzarii (Hinnites 

 pentagoua (Borsonia) . 

 Peolae (Xylomites) 

 planomedius (Pecten) . 

 ponteganensis (Brissopsis . 

 postclypeiformis (Acesta) . 

 praecostulata (Borsonia) 

 praegotica (Clavatvila) . 

 praepustulata (Drillia) 

 praeromana (Clavatula) 

 praf^turgidula ( » ) 

 priabonensis (Pleiirotomaria) 

 priabonensis (Solen) 

 prcjDli cattila (Alectrionia) . 

 pseiidomiocaenicus (Aequipecten) 

 pulchra (Stylastraea) 

 pupa (Tnrritella) . 

 Raschii (Perisi^bintes) 

 rectum (Ceritliium) 

 Ritae (Ringicula) . 



'.1 

 10 

 10 

 10 

 10 

 10 

 67 

 oo 



11 

 11 

 II 

 11 



39 

 10 

 89 

 91 



1 

 11 

 11 

 11 

 11 

 11 

 11 

 10 

 10 

 91 

 ]4 



1 



11 

 11 



Robianae (Pecten) 

 Robianae (Pholadomya) 

 Rossi! (Lytoceras) 

 RUESTIA . 

 Saccoi (Pinna) 

 Scarabellii (Cyllene 

 Scarabellii (Drillia) 

 Scarabellianus (Latyrus) 

 Sohmiedti 'Ceritliium) 

 serranus (Perisphiuctes) 

 sinuata (Leda) 

 spinosovatus (Aequipecten) 

 Steinmanni (Perisphinctes) 

 siibsteplianoides (Holcostephanus) 

 subtripartita (Matbilda) 

 tauraculeata (Monia) . 

 taurogrannsus (Septifer) 

 tauroparva 'Alectrionia) 

 taitroperstriata (Chlamys) 

 taurorugosus (Ijitbophagus) 

 TRIPOSPHAERIDA 

 trivigiana (Clavatula) 

 trivigiana (Turritella) 

 turgidissima ( » ) . 

 Variscoi (Aegoceras) . 

 vetu-sta (Symphyllia) 

 viatrix ( lavatula) 

 viatrix (Natica) . 

 XYPHOSTAURUS . 



11 

 11 



7 

 53 

 11 

 10 

 10 

 10 

 11 



1 

 11 

 10 



5 



1 

 11 

 10 

 91 



9 

 10 

 91 

 52 

 11 

 11 

 11 



8 

 91 

 11 

 11 

 53 



V. 



