48 THE INTERNAL PAEASITES OF 



CHAPTER VI. 



The Sewage Question referred to — Prevalence of 

 Tapeworms amongst the Burates explained — Measles 

 in the Heart — Tendency of Cysticerci to perish by 

 Calcareous Degeneration — Practical value of a 



knowledge of this fact degree of temperature 



necessary for the destruction of bladder-worms in 

 Flesh — Statements of Dr. Lewis as to what 

 constitutes well done meat — four kinds of tape- 

 WORM Larva are found in Cattle — The common 

 Hydatid — Remarkable Specimens collected by John 

 Hunter — Prevalence of Echinococci in Indian 

 Cattle readily accounted for — The slender-necked 

 Bladder-worm — The many-headed Hydatid — Cases 

 of " Gtd " in the Ox — Employment of the Trephine 

 — Records of Sturdy in English Cattle unduly 

 scanty. 



When the sewage question was being discussed with 

 a vigour and warmth of tone almost amounting to 

 asperity, I was much taken to task by the Lancet, for 

 not producing "a single specimen of beef or mutton 

 containing measles which had not resulted from experi- 

 ment • " but now, with the evidences adduced, I trust 

 the editor of that ably conducted professional serial 



