D^6'. 2, 1908.] Agricultural Gazette of N.S.W. 1383 



the intestines (due to cesophagostoma columhianum). Microscopical examina- 

 tion of the mucous from the bronchi of this sheep revealed ova and embryos 

 of the st. filaria in immense numbers, and in all stages of development. 

 The remaining forty sheep were treated as follows : — 

 Lot 1. — Three sheep received the following injection intra-tracliealiy : — 



01. Tereb : M xx. 

 01. Creasoti : M x. 

 Cliloroform : M x. 

 ()]. Olivae: 3i. 



Lot 2. — Six sheep were drenched with Proprietary Drench No. 1. 



Lot .3. — Six sheep were drenched with Proprietary Drench No. 2. 



Lot 4. — Six sheep were drenched with 2 oz. of a mixtui'e of turpentine, 1 

 part, and linseed oil, 2 })arts. 



Lot 5. — Six sheep were fumigated with | lb. sulphur. They were fumi- 

 gated for ten minutes, then, on showing signs of distress, the sulphur was 

 withdrawn, and they were left for a further ten minutes in the fumes. 



Lot 6. — Seven sheep were set apart to be fed on artificial grasses and 

 lucerne, and given abundance of salt during the experiment. 



Lot 7. — Six sheep were left untreated as controls. 



All the sheep were marked for purposes of identification, and, with the 

 exception of those put on artificial grasses, were kept under identical 

 conditions. 



In ten days' time the above treatment was repeated, and the results 

 obtained are as follows : — 



With regard to " Lung- worm." 



Lot. 



When killed. 



No. 

 killed. 



Results. 



At 10 days, after 1 injcL-tiuii 



At 20 days, after 2 injections 



(1) No worms foiuul. 



(2) A few worms found. 



(3) Do do 

 No worms found. 



2 At 10 days, after 1 drench 

 At 20 days, after 2 drenches 



3 A- I days, after 1 drench 

 At 20 days, after 2 drenches 



A few worms foiuid. 



(1) Many worms found. 



(2) A few worms found. 



1 Many worni< found. 



2 I (1) Al any worms found. 



(2) No worms found. 



At 10 days, after 1 drench 

 At 20 days, after 2 drenches 



1 A few worms found. 



2 (1) Many wcjrms found. 

 I (2) No worms found. 



After 1 fumigation 



After 20 days, and 2 fumigations 



1 

 o 



Very few worms found. 



(1) Very few worms found. 



(2) Do do 



