Fourth meeting of the Ad Hoc Brazil Expeditions Committee Present: Professor T M Harris (Chairman); Brigadier L J Harris; Rear-Admiral Sir Edmund Irving; Mr L P Kirwan; Mr S W Martin; Mr D Rhind; Professor O W Richards; Dr S H Shaw Present by invitation: Dr G Ainsworth Harrison; Mr I R Bishop; Mr A F Mackenzie Matters discussed: 1.) Minutes of previous meeting confirmed 2.) Membership 3.) Visit by the Chairman to Brazil 4.) Reconnaissance expedition 5.) Main expedition 6.) Liaison with Brazil 7.) Collection of soil samples for Dr P Van Dijck Summary of recommenations Signed by T M Harris 19 April 1967 Document reference EB/18(66) 19 July 1966