SEAL-EMBRYOS. 7 



Leboucq (loc. cit.) has given the actual measurements of the hand and foot of 

 four specimens of Leptonychotes, together with the ratio that each bears to the body 

 length. The measurements are taken from the radio-carpal and tibio-tarsal articulations 

 respectively to the distal extremity of the first digit. For purposes of comparison I 

 have adopted the same points, and the measurements of the material in hand are set 

 forth in the following Table, together with the ratios of the hand and foot to body 

 length. 



TABLE II. 

 SHOWING LENGTH OF HAND AND FOOT AND EATIO OF EACH TO BODY LENGTH. 



The figures are substantially in agreement with those given by Professor Leboucq, 

 which I quote here for comparison. 



