18 PART 1. 21. RECENT WORK ON THE CONTROL OF EELWORMS, PARTICULARLY oN ToBacco. (iii) (Asked by the Agricultural Department, Nyasaland.) (i) Subsequently withdrawn from the Agenda and discussed between representatives of Tanganyika and Kenya during a visit to the Sisal plantation at Thika. (ii) Subsequently withdrawn from the Agenda and discussed unofficially between representatives of Kenya and South Africa. (iii) Subsequently withdrawn from the Agenda at the request of the representative of Nyasaland. 22. THE CAUSES OF DIL-BACK OF COFFEE. (Asked by the Agricultural Department, Nyasaland.) (See page 202.) 23. RHINOCEROS BEETLE AND ITS CONTROL; the advisability of controlling by traps or other methods. (Asked by the Agricultural Department, Zanzibar.) (See page 210.) 24. PREVENTION OF THE INTRODUCTION oF THE CopriNg Mora THROUGH IMPORTS OF FRESH FRUIT. (To be raised by the Director of Agriculture, Kenya.) (See page 223.) 25. Can information be given on the incidence of coffee leaf rust (Hemileia vastatriz) on Kents and Jacksons hybrid coffees and as compared with incidence on local types of Co. arabica ? (See page 200.) 26. What is the observed status of root eelworm (Heterodera radicicola) as a pest of coffee? Under what conditions is it most prevalent and what measures have been taken against it? (See page 200.) 27. What is the status of Gonocephalum simplex or other species as pests (stem barking) of young coffee and what control measure has been recommended ? (See page 200.) (Information on the above three items is asked by the Department of Agriculture, Tanganyika, from delegates of coffee producing countries at Conference.) CATEGORY V. AGRICULTURE AND COTTON. 1. NATIVE AGRICULTURE: (a) Native Agriculture in Kenya, improvement, etc. (Paper by E. Harrison, Deputy Director of Agriculture, Kenya. T.C.(C).Ag.3.) (See page 71.) Note.—The Agricultural Department, Belgian Congo, have asked for information on the organisation of Agricultural Schools for Natives in British Colonies. (b) Mutual support and economic balance between Natives producing for external, and those producing for internal consumption. (Paper by the Agricultural Department, Tanganyika Territory. T.C.(C).Ag.12.) (See page 85.)