X TABLE OF CONTENTS. 



INVERTEBRATE PALAEONTOLOGY— Continued. 

 Cretaceous species. 

 Mollusca. 

 Gasteropoda. 



Pectinibranchiata. r.igt.. 



Naticidie 309 



Genus Gyrodes 309 



Lnnatia 311 



Aiuauropsis 317 



Aponhaidae 320 



Genus Aporrbais 320 



Ancbura 324 



Vauikorida? 329 



Genus Vanikoro 329 



Vauikoropsis : 331 



Turritellida? 332 



Genus Mesalia 332 



Ceritbiopsicbe 334 



Genus Ceritbiopsis 334 



I'.vrauiidellid.T 337 



Genua Chemuitzia 337 



Littoriuid?? 341 



Genus Spironerua 341 



Muricidffi 343 



Genus Pyrifusus 343 



Buccinidae 349 



? Genux pseudobucciuum 349 



? Odoutobasis 351 



Fasciolariidse 355 



Genus Fasciolaiia 355 



Pyropsis 368 



Fusus 372 



Cantharus 377 



PleurotowidiE 380 



I trims Tnrria 380 



Cephalopoda 388 



Tetrabranchiata 388 



Baenlitida- 388 



Genua Baculites 391 



Ancyloceratidae 408 



Genus Ancyloceras 408 



Ptycboceratidie 410 



Genus Ptycboceras 410 



Soapbitidie 413 



Genus Seajjhites 413 



Am muni t id a' 445 



>'•• nit* A in n 1 1 >i lilt s 44r> 



Mini i hi iffias |48 



Pi iuiKiuy elus 452 



Phylloceraa 458 



Placenticeras 402 



Turrilitida) 477 



Genus Heteroceias 477 



Helicoceras 485 



Nautilidas 489 



i,i mi* Nautilus ls;i 



Dibranebiata 501 



Belemnitidae . ui 



i, ,ini* Belemnitella 501 



