98 



B. MEQAPTEKINAE. 



Megapatera Gray. 

 Poescopia Gray. 

 Eschrichtius Gray. 



C. BAiAENOPTEBINAE. 

 . 1. 



Physalus Gray. 



Benedenia Gray. Physalus Gray. 



Cuvierius Gray. 



Sibbaldius Gray, 1866=*7o;erius Lillj. 1867. 

 Rudolphius Gray (s.^O, 18G6=Si&&a/ittus Lillj. 1867. 



. 2. 

 Balaenoptera Lac. 



Balaenoptera seusu strict. Swinhoia Gray. 



Extinct genera incertae sedis. 



Cetotherhtm Brandt. 

 Plesiocetus Van Ben and Gerv. 



LXXIII. BALAENIDAE. 



Genera. 



(Fide Gray.) 



i 

 Balaena Linn. 



Neobalaena Gray. 

 Eitbalaena Gray. 

 Hunterius Gray. 

 Cnperea Gray. 

 Macleayius Gray. 



Extinct Balaenidae? 

 Palaeocetus Seeley. 



