396 



SCHULTE, SEI WHALE. 



mm. % 



Depth of pedicle just anterior to flukes 25 6.6 



Depth of pedicle midway between flukes and anus 36 9.6 



Depth of body at anus 42 11.2 



Depth of body at umbilicus 63 16.8 



Depth of body at shoulder 66 17.6 



Length of flipper tip, to anterior insertion 



Greatest breadth of flipper 14 3.7 



Circumference at eye 220 58 . 6 



Circumference at shoulder 200 53 . 3 



Circumference at umbilicus 173 46 . 1 



Circumference at anus 122 32 . 6 



Guldberg l has given the dimensions of a larger foetus of Balcenoptera borealis taken in June 

 at Sorvar which are here repeated. 



metres. 



Total length 1 .355 



Length of the head (from the anterior extremity of the upper jaw to the meatus auditorius externus) ... . 345 



Distance from the anterior extremity of the lower jaw to the umbilicus . 685 



Distance from middle of umbilicus to the median groove in the caudal fin . 660 



Length of right anterior limb . 185 



Distance from anterior edge of the above to anterior extremity of lower jaw . 415 



Size of anterior limb . 045 



Dorsal fin, length at base 0.068 



Dorsal fin, height 0.050 



Distance from dorsal fin to caudal groove '. . 417 



Distance from dorsal fin to extremity of lower jaw 0.875 



Breadth of caudal fin 0.332 



Distance from the anus to the caudal aperture 0.405 



Distance from the anus to the centre of the umbilicus . 250 



Distance from the anus to the extremity of the lower jaw . 950 



Collett 2 gives the measurements of four still larger foetuses collected in the Varangerfjord 

 in the month of July as follows : 



Table II. Collett' s measurements of four foetuses of B. borealis. 



Total length 



Snout to angle of mouth 



' Angle of mouth to flipper 



Length of the flipper 



Width of the flipper 



Snout to the dorsal fin 



Dorsal fin to end of the tail 



Snout to the navel 



Greatest height of the body 



Height at the beginning of the dorsal fin . 



Height at the middle of the tail 



The least height of the tail 



Length of each fluke 



16 July 

 No. 1, 9 



millim. millim 



1550 



250 



220 



240 



50 



1030 

 520 

 760 

 240 

 170 

 140 

 100 

 200 



18 July 

 No. 2, d" 



19 July 

 No. 3, d" 



1830 



320 



250 



250 



54 



1180 

 650 

 940 

 300 

 230 

 160 

 120 

 250 



millim. 



2410 

 410 

 350 

 370 



1550 

 860 



1230 

 330 

 310 

 220 



18 July 

 No. 4, c? 



millim. 



2830 

 460 

 360 

 410 



1810 



1020 



1340 



390 



320 



250 



170 



340 



1 Guldberg, G. A. 1885. On the existence of a fourth species of the genus Batenoptera. Jour. Anat. and Phys., Vol. XIX, p. 298. 



2 Collett, R. 1886. On the external characters of Rudolphi's rorqual (Balcenoptera borealis). P. Z. S. London, Part II, p. 261. 



