1] 



11 



TABLE I 



TIME (IN HOURS) OP RESISTANCE OF TADPOLES OF BUFO VULGARIS, LAUR. 

 (HIND LEGS HAD JUST APPEARED) TO VARIOUS ALCOHOLS 



TABLE II 



TIME (IN HOURS) OF RESISTANCE OF INFUSORIA AND OSTRACODA TO VARIOUS 



ALCOHOLS 



* The structural formulas of these alcohols are given here for reference : 



methylic H - CH 2 OH 



ethylic CH 3 - CH,OH 



propylic, norm CH 3 . CH 2 - CH 2 OH 



propylic, iso (CH 3 ) 2 - CHOH 



butylic, norm CH 3 . CH 2 . CH 2 - CH 2 OH 



butylic, iso. 



CH : 



>CH-CH 2 OH 



butylic, tertiary ^H 3 > COH - CH 



amylic, norm. . . . 

 allylic 



CH 3 . CH 2 . CH 2 . CH 2 - CH 2 OH 

 CH 2 .CH-CH 2 OH 



t Ostracoda only ; the Infusoria died after 18 hours. 



