rUEMIUMS OFFERED BY THE SOCIETY IN 1880. 25 



15. On tlio Insects wiiieli i)i"cy upon Acjricultural Plants, and ^^ 

 the diseases occasioned by them, and the best means of preveii- '^ 

 tion — Twenty Sovereijfns. To be hjdged by 1st November 1880. 



TLe Report to be accuiii])aiiifil, wlieic puicticablu, by spccinieus of tla- 

 insects. 



16. On the hardy and useful Herbaceous Plants of any country 

 where sucli climate exists as to induce the Ijelief that the plants 

 may be beneticially introduced into the cultivation of Scotland 

 — The Gold ]\Iedal, or Ten Sovereigns. To be lodged by 1st 

 November in any year. 



Attention is particularly directed to the Grains and Gi-asses of China, 

 .Ta]rni, the TsLuids of the Ea>*teMi Ari'lii]>i'laL;o. the IliniaLiya country, 

 the Falkhuul and Soutli Sea Ishuid.^, Ualiloruia, and the liigh north- 

 western district of America. 



Reporters are re(niired to ii'xxc the j^'eiieric and specific names of the 

 plants treated of, Mith the authority ior the .^anie— toj^'ether witli the 

 native names, so far as known ; and to state the elevation of the 

 locality and nature of the soil in whicli they are cultivated, or whicli 

 they naturally inhabit, with their qualities or uses; and it is further 

 re(iuested that the descriptions be accompanied, in so far as pos- 

 sible, with specimens of the plants, and their fruit, seeil. and other 

 products. 



17. On the adulteration of Agricultural Seeds, whether by 

 colouring, mixing, or otherwise, and the best means of detecting 

 the same, and preventing their sale — Ten Sovereigns. To be 

 lodged by 1st November 1880. 



18. On the comparative advantages of grazing Cattle and ^ 

 Sheep, together or se])arately, upon permanent ])asturcs — Ten ^^ 

 Sovereigns. To be lodged by 1st November 1880. 



The Reporter's attention is specially directed to unenclosed lands on hill, 

 moorland, marshy, or heathery districts occupied Ijy natuial grasses. 



19. On the comparative advantages of fattening Cattle in 

 stalls, in loose houses or boxes, and in sheds or hammels — 

 Twenty Sovereigns. To be lodged by 1st November in any 

 year. 



Tlie Report must detail the comparative result of actual experiments. 

 The same (juantities and kinds of food nuist be iised. Information 

 is required as to the comparative exjiejise of attendance, the cost of 

 erecting the buildings, and any other circumstance deserving of 

 attention. The state of the weather during the experiment, in point 

 of temperature and wetness, and the advantages or disadvantages of 

 clipping cattle put up to feed, must be particularly noted and re- 

 ported. 



