(d) Make known the new diseases of vegetables which may appear in any part of the world, showing the territories infected, the progress of the disease, and, if possible, the remedies which are effective in combating them; (e) Study questions concerning agricultural coöperation, insurance, and credit in all their aspects; collect and publish information which might be useful in the various countries in the organization of works connected with agricultural coöperation, insurance, and credit; (f) Submit to the approval of the governments, if there is occasion for it, measures for the protection of the common interests of farmers and for the improvement of their condition, after having utilized all the necessary sources of information, such as the wishes expressed by international or other agricultural congresses or congresses of sciences applied to agriculture, agricultural societies, academies, learned bodies, etc. All questions concerning the economic interests, the legislation, and the administration of a particular nation shall be excluded from the consideration of the institute. "Article 10. The nations adhering to the institute shall be classed in five groups, according to the place which each of them thinks it ought to occupy. The number of votes which each nation shall have and the number of units of assessment shall be established according to the following gradations: Groups of nations. Numbers of votes Units of assessment. I 5 16 II 4 8 III 3 4 IV 2 2 V 1 1 In any event the contribution due per unit of assessment shall never exceed a maximum of 2,500 francs. As a temporary provision the assessment for the first two years shall not exceed 1,500 francs per unit. Colonies may, at the request of the nations to which they belong, be admitted to form part of the institute on the same conditions as the independent nations. "Article 11. The present convention shall be ratified and the ratifications shall be exchanged as soon as possible by depositing them with the Italian Government."