ECOLOGY OF TADPOLES 57 



must possess reserve inccliaiiisnis tliat can be brought into play to deal 

 with the often violent fluctuations in the habitats. 



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SoKOLOV, N. P. and Chvaliova, M. A (1936) J. Anim. EcoL, 5, 390-5. 

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5— (T.914) 



