248 TREATMENT OF 



have evidence in the cases of Welford and Cow- 

 ard, that it does not remove the tendency to gene- 

 rate these animals. This is yet a desideratum. 

 From WeUord's case, there seems reason to hope, 

 that the oleum terehinthini will be found useful 

 a2;ainst the lumhrims, and t am disposed to try it 

 in tlie form of injection^ against ascarides also. 



'^ x\.fter the evidence adduced, it is unnecessary 

 to dwell on the safety of these large doses of ole- 

 um tirebinthiui ; I will therefore only observe that^ 

 when exhibited, its quick action on the bowels pre- 

 vents its being absorbed, and accordingly we find 

 in these cases, no camplaint of those affections of 

 the urinary passages which have arisen from much 

 smaller doses. As to the mode of exhibition, my 

 directions have been, to take either no supper, or 

 a very light one the night before ; to abstain from 

 all food or liquid till the medicine has operated 

 twice or thrice, or a worm has parsed ; then to di- 

 lute freely, and through the day to avoid spirituous 

 or fermented liquors. 



^' I have the honour to be 



'* Your obedient servant, 



*^J. R. Fenwick.'* 



"We have seen that the spirit of turpentine had 

 betn used, in combination with some other article, 

 on the continent of Europe, before it was employed 

 as an anthelmintic in England. From England a 

 knowledge of this valuable remedy has extended 

 to North America, where it is frequently and sue- 



