1] 



MODIFICATION OF -VITAL ACTIONS 



11 



TABLE I 



TIME (IN HOURS) OF 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 2 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. 

 butylic, tertiaiy 





3 >CH-CH 2 OH 



CH 



3 >COH-CH 3 



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



allylic CH 2 .CH-CH 2 OH 



t Ostracoda only ; the Infusoria died after 18 hours. 



