126 GILL, PRIMARY SUBDIVISIONS OF THE CETACEANS. 



GLOBIOCEPHALINJE. 



Globiocephalus Gray. 



v. ZIPHIID^E. 



ZIPHIIN.E. 



Ziphius Cuv. (=Epiodon Gray). 

 Berardius Duv. 

 Mesoplodon Gerv. (=Ziphius Gray). 



Dioplodon Gerv., 

 et al. (extinct). 



ANARNACINJS. 

 Anarnacus ~Lac.=Hyperoodon Lac. 



VI. PHYSETERID^. 



PHYSETERINJE. 

 Physeter IAnn.=Catodon Gray + Physeter Gray + ? Meganeuron Gray. 



KOGIINJ3. 



GENEKA INCERTJE SEDIS. 



Kogia Gray. 

 Orycterocetus Leidy. 



Callignathus Gill. 

 Ontocetus Leidy. 



Hhabdosteus Cope. 



Agaphelus Cope. 

 Megaptera Gray. 



Physalus Gray. 

 Sibbaldius Gray. 



Balcena Linn. 

 Eubalcena Gray. 



VII. RHABDOSTEID^E. 



C. MYSTICETE. 



VIII. BALJBNOPTEEID^B. 

 AGAPHBLIN^E. 



MEGAPTERIN^E. 

 BAL^ENOPTERIN^E. 



Shachianectes Cope. 



Eschrichtius Gray. 



Balcenoptera Lac. 



IX. 



Hunterius Gray. 

 Palceocetus Seeley (extinct). 



