72 LECTURES. 



told measured four yards in length. He has since 

 had no return of the disorder. 



In cases of threadworm and round worm it is not 

 uncommon to meet with instances of infection in 

 children much younger than C. B., speaking from the 

 time when he was first attacked ; and here I may 

 mention that the case in which I originally deter- 

 mined the certainty of the occurrence otdscaris mys- 

 tax in the human body was that of an infant only 

 thirteen months of age, as you will find recorded in 

 the pages of the Lancet for January 10th, 18G3. 

 The youngest age at which I have known tapeworm 

 to occur is given in the following instance : 



CASE XXXIX. M. D., a member of the pro* 

 fession, called on me in the spring of 1871, re- 

 questing a second opinion as to the course to be 

 pursued in the case of a female child only eighteen 

 months of age. Afflicted with tapeworm, she had, 

 under his able treatment, passed no less than four 

 yards of the parasite ; but as the head was not de- 

 tected at the time, he had some hesitation as to 

 further prescribing. Guided by previous experi- 

 ences, I naturally counselled delay ; suggesting the 

 employment of areca-nut powders in the event of 

 any return. What happened I do not know ; but 

 the interesting point of the case lies in the circum- 

 stance that it was known to the parents that the 

 child had first partaken of underdone meat just 

 four months previously ; so that it was quite clear 



