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Cotton, Southern Rhodesia ... rr in aah 120° 159
,, Spinning tests ... ns 7, ho But 155
., Spraying SI ee a 17913
., Swaziland J yl os eo hil 119 163
Pax al ls is a5 a ite 138
, Treatment of seed ... 2g Gos wih 124 151 176
,, Uganda a 3a a or ... 121 130—132 159
LEEW cotton x. Bs pis iis we 126 156 234
re Yiolds Local Lo oT hy 136
Cowpea ig 7 ok 5s whi ots 34
Crotalaria or od , a es Re 34
Cryptolemus montrouzieri  ... aE 5 Reh 187—194
Cutworms ss Ss 2 oo ... 100 187 200 220
Delegates, list of ait ai es wi ae v.
Delegates, visits of  ... ua pe re i 22 299
Delphax sacchernora ... nt A ioe: bf 174 238
Diatraea 5% dr = nua oe dh 183
Dieback (coffee) od oy Ads wns ... 49 63 202—204
Diparopsis castanea ... A i i R72: 177 182 234
Diplodia epicoccus  ... 0 at ht a 206
Dipping, compulsory ... ok Ss 25 po 69 70
Dirpliya sp... ox = ny i cats 204
Disinfection of imported seed de a .. B77 183 225 251
Dolichos lablab 7 s 2 2 34
Dusting (cotton) ath doe a or 173 175 182 232 236
Dysdercus spp. ie Ss oi ... 172 178 200 238—242
Ear-rot (maize) fir es es 4 ns 100
Earias spp. og Mo : es Pa 171 172 178 235
Fconomic crops, production of—by natives ” 85—89
Education (agricultural) ol is oh = 74—85
Eelworms A die ida oa Ey 3 200
Egret (buff-backed) ... £5 as by {] re. 187
Eleusine er a, us 2s r= oo 37 223
Empoascus sp. ... oh hz oy aoe os 181
Eublemma costimacula he ee al Es 191
European settlement ... Zoe 8 he im 110 248
Euxoa ypsilon ... 2 is a Sak 5, 187
Exchange of technical specialists ... 3, So 272 320
Exochomus nigromaculatus ... a Aa fut 191