Fig. 



18. 



Fig. 



19. 



Fig. 



20. 



Fig. 



21. 



Fig. 



22. 



Fig. 



23. 



KTJNGL. SV. VET. AKADEMIENS HANDUNGAR. BAND 40. NIO 5. 103 



Pl. V. 



Southern Finback (Balcenoptera quoyii Fischer). (Sörlino photo.) 

 Southern Blue whale (Balcenoptera intermedia Burmeister). (Sörlino photo.) 

 A Southern Black whale (Balcena australis) »blowing» off South Georgia. (Oapt. Larsen photo.) 

 Southern Finhack (Balcenoptera quoyii Fischer). (Sörlino photo.) 

 Southern Finback (Balcenoptera quoyii Fischer). (Sörlino photo.) 



Hind-end of a Southern Finback (Balcenoptera quoyii Fischer) part of the flukes are cut off. (Sör- 

 lino photo.) 



Pl. VI. 



Fig. 24. Southern Black whale (Balcena australis DesmoulinsV (Sörling photo.) 



Fig. 25. Southern atlantic Humpback (Megaptera lalandii Fischer). (Sörung photo.) 



Fig. 26. Head of the same. (Sörling photo.) 



Fig. 27. Foetus of Humpback (Megaptera lalandii Fischer). (Sörling photo.) 



Fig. 28. View of under parts of Southern atlantic Humpback (Megaptera lalandii Fischer). (Sörling 



photo.) 



Fig. 29. Southern Black whhale (Balwna australis Desmoulins). (Sörling photo.) 



Pl. VII. 



Fig. 30. Southern Black whale (Balcena australis Desmoulins^ head and anterior part of body. (Sörling 



photo.) 

 Fig. 31. Full view of the same. (Sörling photo.) 

 Fig. 32. Anterior part of a southern Black whale (Balcena australis Desmoulins) to show the shape of the 



pectoral. (Sörling photo.) 

 Fig. 33. View of the under parts of a variety of Southern Black whale (Balcena australis Desmoulins). 



(Sörling photo.) 

 Fig. 34. Front view of a southern Black whale (Balcena australis Desmoulins) to show the tongue in the 



mouth. (Sörling photo.) 

 Fig. 35. Anterior end of a foetns of southern Black whale (Balcena australis Desmoulins). (Sörling 



photo.) 



Pl. VIII. 



blade of baleen of Balcenoptera intermedia BurmeISTER from South Georgia about 7 /ioo nat. size. 

 blade of baleen of Balcenoptera quoyii Fischer from South Georgia. 8 /äo nat- size. 

 blade of baleen of Megaptera lalandii Fischer from South Georgia. 3 /so nat. size. 

 blade of baleen of Balcena australis Desmoulins from South Georgia. 1 /w nat. size. 



Pl. IX. 



Fig. 40. Foetus nf Megaptera lalandii Fischer. About '/a nat. size. (A. Ekrlom del.) 



Pl. X. 



Fig. 41. A piece of skin (preserved in alcohol) from the upper jaw of Balcena australis Desmoulins, to show 

 the arrangement of the hairs. A piece of the epiderm has pealed off. About 4 /? nat. size. 



Fig. 42. A piece of skin of the lower jaw of the same, to show the arrangement of the hairs. About 

 2 /s nat. size. 



Fig. 43. A section through a pathological structure among the baleen of Balcena australis Desmoulins. 



Fig. 44. Vertical section through the »bonnet» of a southern Black whale (Balcena australis Desmoulins;. 

 The section has been laid somewhat to the side of the median line. About ] /ä nat. size. 



Fig. 



36. 



A 



Fig. 



37. 



A 



Fig. 



38. 



A 



Fig. 



39. 



A 



