By pi, 



^m ,t ih, N,ia I'.ri Zichgical Soiiity 



AFRICAN PUFF-ADDER 



Honei die luithin a few hmn of bang hitun by thh ierptnt 



Bj firmiimn of the Nrui Zirk Znohikal Socirty 



DIAMOND-BACK RATTLE-SNAKE 



One or more 'joinls are added to the " rattle" each succesii-ve year 

 595 



