NEMATODA 



235 



China patients were found to contain such multitudes of the 

 worms that their numbers could only be adequately estimated 

 at so many hundreds of thousands passed in twenty-four hours. 

 Of course they varied in quantity, not only in different patients, 



FIG. 48. Leptodera intestinalis. a, Adult female, and separate figure showing a portion of 

 the body with the ova in situ. The two outlined figures represent profile and front views 

 of the tail, respectively, b, c, Eggs with imperfectly formed embryos, d, Larva. Highly 

 magnified. After Bavay. 



but in the same bearer, from day to day. They are to be found 

 in every stage of growth and development, from that of the 

 intra-ovular embryo and free embryonic state up to sexual 

 maturity. They occupy all parts of the intestinal canal, from 



