48 



ENTOZOA FOUND IN MAN. 



surface, and of the circumstance of its having been 

 found in the bronchial glands. 



-Fig. 11. 



Genus Anchylostomum. 



The anchylostomum is of an ashy 

 colour, and cyKndrical shape ; the 

 head is slightly tapering, and the 

 mouth presents the appearance of a 

 sucker, of horny textmre, with a 

 large circular opening ; four teeth 

 are situated within the inferior 

 margin. The integument of the 

 body is transversely striated. 



This entozoon exists in man, and 

 has been observed in Egypt, and also 

 at Milan ; the name which has been 

 given to the species is Anchylostoma 

 duodenale, its habitat being the 

 duodenum, and the jejunum. 



The female is more numerous 

 than the male, and has been found 

 in the proportion of 3 to 1 of the 

 latter. 



Genus Strongylus. 



The strongylus is an entozoon of a cylmdrical 

 shape, which sometimes acquires a very large size, 

 and reaches to several feet in length. The species 



^ Figure 11. Female Anchylostomum. — 1. The worm of the 

 natural size. — 2. The same worm considerably enlarged. — «, The 

 mouth. 



