124 BIOLOGICAL LECTURES. 



embryo, furnish, as I believe, decisive proof of a definite 

 organization in the egg, prior to any cell-formation. The opinion 

 expressed by Huxley in his review of " The Cell-Theory," in 

 1853, forms a fitting conclusion to this introductory sketch. 



"They [the cells] are no more the producers of the vital 

 phenomena than the shells scattered along the sea-beach are 

 the instruments by which the gravitative force of the moon 

 acts upon the ocean. Like these, the cells mark only where 

 the vital tides have |>een, and how they have acted." 1 



1 British and Foreign Medico-chirurgical Review, Vol. XII, p. 314. Oct., 1853. 



