CO 



THE MICROSCOPE AND ITS LESSONS. 



well as the coffin in which it lies concealed, in a striking 

 manner will remind us of Longfellow's beautiful lines 



" There is no death what seems so is transition ; 



This life of mortal breath 

 Is but the suburb of the life elysian, 

 Whose portal we call < deatli ' 1 " 



The Convolvulus Sphinx. 



But, reminding you of what has been said of muscular 

 power, do look at this wonderful tongue of the Convolvulus 

 Sphinx. Compared with the forty thousand in the proboscis 

 of an elephant, how incalculably greater is the number of 

 muscles in this sucking-pump, which measures from three 

 to four inches in length and it is only one half of the 

 tongue either, for this half folds on to, and into, the 

 other balf, the two conjoined forming a tube down which 



