VETERINARY SCIENCE AND PRACTICE. 689 



Expciiiiu'iit.s with the turpentine remed}' were not satisfactory, and 

 in the siunnier of 1898 the author began experiments with the benzine 

 treatment as recommended ])v Prof. C Julien. Gasoline was substi- 

 tuted for benzine as beino- more conveniently purchased. One table- 

 spoonful of common gasoline was emulsified in about -i oz. of flaxseed 

 tea and given as a drench to each lamb. This treatment seemed to 

 check the trouble, and no deaths occurred after the treatment was 

 })egun. In applying this method the lambs were housed in the even- 

 ing and kept with nothing to eat until 10 o'clock the following day. 

 The gasoline was then administered and the lambs kept without food 

 or drink for 8 hours longer. This treatment was given for 3 da3's in 

 succession, and after an interval of a week the same 3 days' treatment 

 was repeatetl. If improvement is not noticed in all the flock, the third 

 treatment should be given after an interval of 10 days. 



In the spring of 1899 the station began an experiment to determine 

 the method of infection by this worm. A number of lambs of dift'erent 

 breeds were divided into 2 equal lots, lot 1 being kept in after reaching 

 the age of 1 month, and lot 2 allowed to feed on the pasture with the 

 ewes. In lot 2, 7 lambs died and all of them were given the gasoline 

 treatment. Lot 1 was kept in until the middle of September, when 

 they were allowed to pasture on a patch of rape. No deaths occurred 

 in this lot. 



The feed for lot 1 up to Septeml)er 20 cost a])out 14^ cts. per head more 

 than for lot 2, l)ut T head of lambs were lost from lot 2, so that the 

 estimated cost of each lamb up to September 5 was 6.5 cts. in lot 1, 

 and 91 cts. in lot 2. The gain in weight w^as greater in lot 2 than in 

 lot 1, the dift'erence varying from 3 to .5 lbs. 



The labor involved in keeping the lambs housed is perhaps the 

 greatest objection to this method of preventing infection, but this 

 difficulty would be partly removed by ha^'i ng rape for earlv pasture 

 for these lambs, and by turning them on second crop clover. 



Certain difliculties have been experienced by some sheep men in 

 administering the gasoline treatment, but the author thinks these difli- 

 culties can be largely avoided ))v setting the sheep on its rump before 

 giving the drench. 



In the experiments carried on by the station, 1,000 doses of gasoline 

 were given with the drench bottle with the loss of but one sheep. 

 The condition and behavior of sheep subsequent to treatment with 

 gasoline indicates that this method does not injure the digestive system. 



The action of desiccation and heat on sheep-pox virus, 

 L. DucLEiiT and A. Conte (.1/^/^ J^cole Xat. Agr. Mont^^elUer^ 11 

 {1899-1900)^ l)p. i4^i-X5.^).— During experiments conducted by the 

 authors it was found that desiccated sheep-pox virus preserved for 14 

 hours at the freezing point did not lose its virulence. Previous exper- 

 iments had shown that a temperature of 25° C. was most favorable for 



