J/AAVA'E BIOLOGICAL STATIOXS OF EUROPE. 21 3 



support of the laboratories of Roscoff and Banyuls. " Facts 

 have been found at every step of science which were valueless 

 at their discovery, but which, little by little, fell into line and 

 led to applications of the highest importance — how the obser- 

 vation of the tarnishing of silver or the twitching leg of the 

 frog was the origin of photography or telegraphy — how 

 the purely abstract problem of spontaneous generation gave 

 rise to the antiseptics of surgery." 



As a preface to the present discussion the general number 

 and location of the European marine stations might conven- 

 iently be indicated in the accompanving outline map. 



I. 



Fk.AN'CE. 



The extended sea-coast has ever been of the greatest aid to 

 the French student — along the entire northern coast the 

 channel is not unlike our Bay of Fundy in the way it sweeps 

 the waters out at the lunar tides. The rocks on the coast of 

 Britany, massive bowlders, swept and rounded by the rushing 



