ON HUMAN ENTOZOA. 



PART L 



SYNOPSIS OF THE ENTOZOA WHICH ARE 

 FOUND IN MAN. 



Entozoa are parasitic animals which live in the organs 

 of other animals, and which possess neither a distinct 

 respiratory apparatus, nor articulated appendages 

 specially adapted to locomotion. 



The entozoa found in man may be arranged into 

 five separate classes, namely, the Protozoa, the 

 Cestoidea, the Trematoda, the Nematoidea, and the 

 Acanthotheca. 



Chapter I. 

 THE PEOTOZOA, OR INFUSOEIA. 



The entozoa included in this class are very minute 

 animalcules, being visible only by the aid of the 

 microscope ; they are usually of irregiilar shape, and 



B 



