16 



an attempt, at least, has been made to combine these various 

 essentials giving to each its due weight and proportion so as 

 to bring out a mechanically reliable result. 



Space does not admit of my re-producing the numerous 

 testimonies by which the success of this effort to combine theory 

 with practice have been publicly acknowledged a success also 

 vouched for by the large and growing demand for and sale of the 

 hooks ; but in the Appendix will be found some extracts from 

 press criticisms, and a few quotations from the works of the 

 American authors alluded to, which I read with the more pleasure 

 because our cousins are proverbially the quickest nation in the 

 world in appreciating and utilising new inventions. 



THE JAM KNOT FOR TROUT-FLIES. 



The engraving below enlarged for the sake of readier 

 apprehension illustrates the principle of the Jam Knot attach- 

 ment before the line is drawn tight The tightening, of course 

 producing the 'jam.' 



C I 



PRINCIPLE OF THE JAM KNOT. 



As this cannot be so readily seen when a fly is dressed on the 

 hook, it is represented on a hook bare.* The lower figure shows 

 the same knot drawn tight (hook unmagnified). 



* Actually, however, this knot is quite unsuited to a bare hook, as where 

 there is no fly to keep it in its place it is possible for it to slip up the hook- 

 shank and thus loosen the jam. 



