EXPLANATION OF PLATES. 



PLATE I. — Fig. 1. Skeleton of Catodon Australis as set up. 



Fig. 2. Six bones wliich compose the sternum of same. 



Fig. 3. Os hyoides, where the dotted lines denote the cartilage 



that connects it with the styloidean processes. 

 Fig. 4. Bones of the pelvis, as found in the carcass of another 



sperm whale, cast up between Botany Bay and Port 



Hacking. 



PLATE II. — Fig. I. Skeleton oi Euphysetes Grayii, as set up. 

 Fig. 2. Upper side of skull of same. 

 Fig. 3. Under side of skull of same. 

 Fig. 4. Occipital view of skiill of same. 

 Fig. 5. Under jaw of same. 

 Fig. 6. Pelvis of same. 



ERRATA. 



Vago 8, last line — For "rocorded" read recorded. 



Page 9, No. II — For " owipitoZ /ojuwien" read occipitalbone. 



