LECTURE II. 



Necessity of distinguishing the various kinds of Tapeworm Means 

 of Identification Diseases often produced by the Larvae of Para- 

 sites Cerebral Symptoms from Cysticerci Natural Cures 

 effected by Calcareous Degeneration of the Larvae Duration of 

 the Life-epoch of the Beef-measle Hydatids apt to be con- 

 founded with Cysticerci Degree and Variety of Symptoms pro- 

 duced by Tapeworm The worst Symptoms may remain after a 

 Cure has been effected Case II. 



GENTLEMEN , At the close of my opening lecture 

 you will remember that I was more particularly 

 insisting upon the necessity of distinguishing three 

 of the various tapeworms liable to infest the human 

 body ; but in addition to the facts already men- 

 tioned in that connexion, let me also remind you 

 that the heads of these tapeworms are severally 

 distinct, as are also the so-called " heads" of the 

 measles or Cysticerci whence they are developed. 

 The head of the beef tapeworm is destitute of 

 hooks, and has four large suckers, besides a central 

 supplementary fifth (so-called), whilst the head of 

 the pork tapeworm is a trifle smaller, and furnished 

 with a slightly prominent proboscis armed with a 

 double row of hooks. The mutton tapeworm is 

 also armed ; at least the " measle" is supplied with 



