SECT. 2] 



AND WEIGHT 



451 



Table 59. Relative maximal weights of constituent parts of the embryo. 



* Including all previous work on man. 



t "The various organs and parts in dogfish [Mustelus cams] embryos and adults show 

 relative growths strikingly similar to that which has been observed among the higher 

 vertebrates, including mammals and man". 



29-2 



