41G 



Angidllula Aceti. 



[September, 



ANGUILLULA ACETI. 



This is the long name of those very minute animals found in 

 vinegar and generally known as the "eels of vinegar." They may 

 be seen by the naked eye if a glass of the liquid is held in a strong 

 light, when they will appear like minute white threads, the larger 

 ones about the one sixteenth of an inoh in length, and in a wave 

 like motion continually vibrating and mounting to the edge of the 

 liquid.^ When placed in our microscope and a power of one hun- 

 dred diameters employed, they appear of the size represented in the 

 engraving, which exhibits two of the larger and one of the smaller 

 eels. They were drawn by means of the camera lucida, and repre- 

 sent their exact form and dimensions as they appear when compressed 



