318 



APPENDIX. 



GIEBEL'S ARRANGEMENT, 



continued : — 



Cystopliora 

 Leptonyx 

 Phoca 

 Halichffirus 



3. Fam. Trichechidie 



Trichechus 



IV. PINNATA 



SlEENIA 



4. Fam, Sircnia. 



Dinotherium 



Halitherium 



Manatus 



Halicore 



Ehytina 



Cete 



5. Fam. Monodonta 



Monodon 



C. Fam. Delphinodea 

 Delphinopterus 

 Ziphius 

 Berardius 

 Hyperoodon 

 Platinista 

 Inia 



Delphinus 

 Phocsena 

 Physeter 



7. Fam. Balienodea 

 Balsenoptera 

 Balffina 



