280 Messrs. T. Southwell and S. F. llarnicr on a 



relative shortness of the jaws as compared with the adult. 

 The Ziphioid elongation of the beak had not yet been acquired, 

 and no trace of teeth could be detected in either jaw. 



The colour of the foetus was black above and red below, 

 the latter colour being due to the effusion of blood into the 

 skin, which was doubtless white when the foc'us was removed 

 from the uterus. Parts of the head, including a horizontal 

 streak passing through the eye, were bluish gi'cy, and the 

 lirst two inches of both the upper and lower jaws were black. 



Table of Measurements. 



Adult. Fcetus. 



feet. in. feet. in. 

 Extreme lenglli in straight line from tip 



of rostrimi to middle of tail 16 2 5 2 



Girth of head i-ound eminence in front of 



blow-bole 2 8| 



Girtli in plane of blow-bole 3 4 



Girth in plane 4i inches behind eye .... 4 5 



Transverse diameter of blow-hole ; 4 



From tip of lower jaw to angle of mouth. 1 5| 5|- 



„ „ „ „ posterior end of 



the groove running back from the 



angle of the mouth 1 9j 7 



From tip of upper jaw to angle of mouth. 15 5 



From eye-slit to angle of mouth 11:^ 



Autero-posterior diameter of eye-slit .... Ij 



From eye-slit to vertical line passing 



through external auditory meatus . . 3 



From horizontal line produced back from 



eye-slit to external auditory meatus 2 



Greatest dorso-ventral diameter of the 



part of the bead in front of the blow- 

 hole 1 3| 



Length by which mandible projects be- 

 yond rostrum ^ 



Height of dorsal fin 7| 3 j 



Length of base of dorsal fin 1 If 4| 



From tip of upper jaw to front end of 



base of dorsal tin (measured along 



curve of back) 10 2 3 3 



From posterior end of base of dorsal fin 



to middle line of tail (measured along 



curve of back) 5 11 1 8i 



From tip to tip of flukes (measured in a 



straight line) 3 8 



Length of slits fur mainnnrj 2| 



Length of lower border of pectoral tin 



(measured along curve from fruutend 



of groove extending forwards from 



base of fin) 1 0^ 9 



