FLESH WORMS. 125 



but I may observe that they have led myself and 

 others to the practical conclusion that whereas, on 

 the one hand, persons should avoid eating the im- 

 perfectly cooked flesh of mammals of all kinds, 

 they need not, on the other hand, abstain from 

 swallowing the flesh of birds and fish, since 

 the latter may be eaten raw with perfect im- 

 punity at least, in so far as these entozoa are 

 concerned, The introduction of prepared meats 

 from the Continent is a constant source of danger, 

 especially if precautions as to cooking are not 

 taken. At home, our swine are singularly free 

 from this parasite, and the same may be said of the 

 flesh of our other domesticated mammalia. There 

 is thus little likelihood of the disease becoming 

 prevalent amongst us ; nevertheless the recent out- 

 break of trichiniasis in Cumberland should suggest 

 caution. 



The circumstances connected with this outbreak 

 I have already made known in the pages of the 

 British Medical Journal, and also subsequently in 

 my Cantor Lectures delivered before the Society of 

 Arts, and published in their admirably conducted 

 journal. I do not propose to recapitulate the 

 facts, but I may observe that the three persons at- 

 tacked had been feeding on the flesh of a sow of 

 their own rearing. The man-servant, who natu- 

 rally ate most heartily, suffered most, and I made 

 a calculation that he must have played the part of 



