OUR DOMESTICATED ANIMALS. 37 



CHAPTER, Y. 



Propositions respecting the Causation of Measles 

 in Cattle — Indebtedness op Professional Men and 

 Sanitarians to Experimental Helminthology — 

 Administration of Measles to the Human Subject 

 by Dr. Oliyee — Cestodes have different Periods 

 of Maturation — The Tapeworm is a chain of 



zooids arranged in single flle description of the 



Beef Tapeworm — Dispersion of Eggs — Further 

 Proofs of the Abundance of Bladder Worms in the 

 Cattle of North-western India — Their comparative 

 Parity in Calcutta — Measles found by Dr. Lewis 

 in a cold Sirloin of Beef — Ignorance of English 

 Butchers and Fleshers — The Welfare of Mankind 

 is intimately connected with the Health of 

 Cattle — Value of Hygienic Measures shown by 

 the Indian Sanitary Commissioner's Seventh Annual 

 Report — Why Parasitism is less prevalent in 

 England than it is in India. 



From the facts set forth in the previous chapter, it 

 becomes perfectly obvious that the prevalence or the 

 rarity of measles in cattle in auy given country must be 

 determined primarily by the habits of the people ; for, 

 since the beef or veal measle can only result from the 

 ingestion by the ox or calf of the eggs of the human 



