Contents Ivii 



PAGE 



33 FISH AND DROUGHT. [From Nature, November - 



and 30, 1911] ........ 4J 



The summer of the year 1911 remarkable for its 



heat in the North of France ... . 426 



Description of the ditch or moat which delimits 



the park of the Chateau Marchais belonging to H.S.H. 



the Prince of Monaco. 



At the end of September the ditch was dry without 



a -ingle dead fish being visible. 



Plan of the ditch and park 427 



Drought ended on evening of 29th September. 

 Observations on re-appearance of buried fish . 428 

 Difference in nature of bottom in different parts of 



the ditch. 



Absence of fish in south channel. 



Observation of struggles of fish releasing themselves 429 

 Water increasing : first dead fish observed . . 430 

 Fatal case of premature self-exhumation . . 431 

 In severe winters when the ditch is frozen to the 



bottom the fish do not save themselves by burial; they 



allow themselves to be enclosed in the ice, and die . 43 j 

 Analogy with the occurrence of fossil-fish illustrated 



by quotation from Sir Archibald Geikie's Textbook of 



Geology . 433 



Further reflections on the geological bearing of the 



observations made at Marchais ..... 43.4 



