186 



ENTOZOA. 



Only three instances of the occurrence of this well-marked form in 

 the human subject are, at present, on record. The first is that of 

 Bucholz, who found a considerable number of these little flukes m 

 the gall-bladder of a prisoner who died from fever at Weimar. The 

 specimens, which are stiU preserved in the Museum of the Univer- 

 sity of Jena, have been re-examined by Leuckart, who pronounces 



Fig. 39. — FuU-grown Distoma lanceolatmn, showing the reproductiye and digestive apparatus ; 



highly magnified.— Blanchard. 



them to be certainly referable to B. lanceolatum. The second is 

 the case of Ohabert, which occurred iu France. In this instance a 

 large number of specimens were expelled the intestines of a girl 

 twelve years of age by the administration of empyreumatic oil. The 

 third example is one of comparatively recent date, for the particu- 



