CHEMISTRY OF THE LEUCOMAINES. 



351 



this base is a leucomaiae. and similar products, but with 

 different physiological action, are to be found in other 

 batrachians, as the toad, triton(?), green and red frogs, 

 and in the epidermis of some fish. According to Calmeil, 

 the poison from the toad contains methyl-carbylamine and 

 isocyanacetic acid. 



Table of Letjcomaines. 



