PLATE IX 



Fig. I. Sperm whale. Female foetus. Saldanha Bay, 1926. Note throat 

 grooves, corrugations on ventral surface, common genito-anal 

 groove with mammary grooves on each side of it. A stream of blood 

 oozes from the anus. 



Fig. 2. The same, anterior view. Note the post-anal ventral hump. 



Fig. 3. Male Sperm whale, South Georgia, 1925. Mouth and lower jaw. 

 Note white inner surface of lower jaw, but pigmented lips on both 

 jaws. A strip of blubber has been detached from the lower jaw, as 

 the process of flensing begins. 



