98 



B. MEQAPTEB.INAS, 



Megapatera Gray. 

 Poescopia Gray. 

 Eschrichtius Gray. 



C. BALAENOPTEKINAE. 



5.1. 



Physalus Gray. 



Benedenia Gray. Physalus Gray. 



Cuvierius Gray. 



Sibbalditts Gray, 1866=7oK>enus Lillj. 1867. 

 Rudolphius Gray (s.$r.), 1866=S't66aWtus Lillj. 1867. 



. 2. 

 Balaenoptera Lao. 



Balaenoptera sensu strict. Swinhoia Gray, 



Extinct genera incertae sedis. 



Cetotherium Brandt. 

 Plesiocetus Van Ben and Gerv. 



LXXIII. BALAENIDAE. 



Genera. 

 (Fide Gray.) 



Balaena Linn. 

 Neobalaena Gray. 

 Eubalaena Gray. 

 Hunterius Gray. 

 Caperea Gray. 

 Macleayius Gray. 



Extinct Balaenidaef 

 Palaeocetus Seeley. 



