3IO 



The Stiuly pf Annual Life 



coj^ent. In another part of this book I have given examples 

 of the state of lifelessness which drouc;ht induces in some 



Fig. 64. — AxolotI (in Ihe water) and Amblystoma (un tlic land). 



simple animals, and from which returning moisture can 

 after many days recall them. 



Changes may also be due to the chemical composition 

 of the medium, as was established by the experiments of 



Fig. 65. — Side view of male Arfiiiria salina (enl.irged). 

 (From Cluimlieis'i luicycU'/..) 



Schmankewitsch on certain small Crustaceans. Among the 

 numerous species of the brine-shrimp jliiciiii.i^ the most 

 unlike are A. saliiid and A. iiiil/itnisciiii ; they differ in the 



