98 
B, MEGAPTEBINAE, 
Megapatera Gray. 
Poescopia Gray. 
' Eschrichtius Gray. 
C. BALAENOPTERINAE, 
$..4. 
Physalus Gray. 
Benedenia Gray. 
Cuvierius Gray. 
Sibbaldius Gray, 1866=Flowerius Lillj. 1867. 
Rudolphius Gray (s. g.), 1866= Sibbaldius Lillj. 1867. 
§. 2. 
Balaenoptera Lac. 
Balaenoptera sensu strict. 
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. 
é Extinct Balaenidae? 
Palaeocetus Seeley. ; 
Physalus.Gray. 
Swinhoia Gray. 
