ii6 



GENERATION OF INSECTS 



less thing. On the other hand, if the thing is alive, it 

 may produce a worm or so, as in the case of cherries, 

 pears, and plums; in oak glands, in galls and welts of 

 osiers and ilexes worms arise, which are transformed into 

 butterflies, flies, and similar winged animals. 



In this manner, I am inclined to believe, tapeworms 

 and other worms arise, which are found in the intestines 

 and other parts of the human body, also in the gall and 

 the liver of sheep; and likewise those other disgusting 



little worms found in the head of deer and sheep. As it 

 may be a new thing to some persons, that worms are 

 found in the liver of sheep and in the head of sheep and 

 deer, I willingly undertake to briefly tell you what I 

 have observed, and herewith send you drawings of both 

 kinds of worms, of the largest size to be found. 



Liver-worms of sheep are shaped like a pumpkin-seed, 

 or more exactly, like a small, narrow myrtle leaf with 

 part of the stem attached; they are milky white, with 

 many fine ramifications of veins or canals. The mouth, 

 or whatever the opening may be called, is round and 

 placed in the middle of the belly, not far from the part 



