TRICHINA. 53 



3. Are the anterior and posterior ends alike? Is there any 

 indication of a mouth? The large cells that form the intestine 

 can frequently be seen. It should be borne in mind that the 

 encysted specimen is not fully adult and that the animal grows 

 after reaching the alimentary canal of the next host. 



Make a drawing of an encysted animal. 



Glazier: Report on Trichinae and Trichinosis. U. S. Treas. Dept. Doc. 

 No. 84, Marine Hospital, 1881. 



