PLATE III 



Fig. I. Adult male Sperm whale 17 m. long. 



Fig. 2. Adult female Sperm whale 11-3 m. long. 



Both drawn on the same scale, from the average measurements 

 of the species. 



Fig. 3. Sperm whale. Adult male. Showing absence of pigmentation 

 on upper lips, lower jaw, round umbilicus, genital aperture and on 

 post-anal region of tail. Flecks of white also extending on to flanks. 

 Sketched at Leith Harbour, South Georgia. 13. i. 27. 



