THE VENOM OF HELODEBMA 



BY 



LEO LOEB 



WITH THE COLLABORATION OF CARL L. ALSBERG, ELIZABETH 



COOKE, ELLEN P. CORSON-WHITE, MOYER S. FLEISHER, 



HENRY FOX, T. S. GITHENS, SAMUEL LEOPOLD, 



M. K. MEYERS, M. E. REHFUSS, D. RIVAS, 



AND LUCIUS TUTTLE 



WASHINGTON, D. C. 



Published Ijy the Carnegie Institution of Washington 

 1913 



