INDEX OF SUBJECTS. 489 



PAGE. 



Cattle dipping tanks, chemical control of... ... ... ... 147 



Chemical aspects of condensed milk ... ... ... ... 227 



Chemical control of cattle dipping tanks ... ... ... ... 147 



Chromosomes ... ... ... ... ... ... ... 87 



Committees at Durban meeting ... ... ... ... ... xix 



Communities, plant, in Natal ... ... ... ... ... 70 



Connections, former land ... ... ... ... ... 121 



,, , „ „ , opinions on ... ... ... ... 122 



Constitution of the Association ... ... ... ... ... i 



Council, report of, at Durban ... ... ... ... ... xxiv 



Crustal movements ... ... ... .... ... ... 131 



Cycloposthium bipalmatum ... ... ... ... ... 167 



Cytology and sex ... ... ... ... ... ... 86 



Daedalia, key to species and descriptions ... ... ... ... 286 



Dependence, economic ... ... ... ... ... ... 111,118 



Desert conditions during the Triassic ... ... ... ... 130 



Didesmis ovalis ... ... ... ... ... ... ... 169 



Digitalis, comparison of parent and hybrid ... ... ... 365 



„ , hybrid, gametic constitution ... ... ... ... 364 



„ , interspecific hybrid and backcrosses of ... ... ... 359 



„ , nature of hybrid plants ... ... ... ... 361 



„ , seeds of hybrid ... ... ... ... ... 363 



Dipping tanks, chemical control of ... ... ... ... 147 



Disconformity, economic ... ... ... ... ... Ill, 115 



Distances, star ... ... ... ... ... ... 36 



Drakensberg, vegetation of ... ... ... ... ... 75 



DrosophUa ampelophila, chromosomes in ... ... ... ... 87 



Durban meeting, award of South Africa medal at ... ... ... xxxii 



„ „ , committees at ... ... ... ... ... xix 



„ „ , diary of ... ... ... ... ... xvii 



„ „ , list of papers read at ... ... .... ... 140 



„ „ , proceedings of 19th annual general meeting ... xxii 



„ „ , report of Council at ... ... ... ... xxiv 



„ „ , Treasurer's report at ... ... ... ... xxvii 



Echinostomumfulicae, n. sp., life-history of ... ... ... 161 



,, xenopi ... ... ... ... ... ... 162 



Ecology, plant, of Natal ... ... ... ... ... 67 



Educational experiment, an ... ... ... ... ... 172 



Effort, scientific, in South Africa ... ... ... ... 1 



Endocrine organs, Amphibian ... ... ... ... ... 84 



Engines, internal combustion, alcohol fuels for ... ... ... 143 



Entamoeba bovis ... ... ... ... ... ... 165 



,, equi, n. sp. ... ... ... ... ... ... 165 



„ iutestinalis ... ... ... ... ... ... 164 



„ legeri ... ... «... ... ... ... 165 



Entodinium caudatum ... ... ... ... ... ... 169 



Environmental effects on Protozoa in soil ... ... ... 388 



Estimation of Arsenic, effect of organic matter on ... ... 148 



Excretory matter, effect on dip fluids ... ... ... .. 149 



Experiment, agricultural, design and interpretation of ... ... 155 



„ , educational ... ... ... ... ... 172 



Evening discourses, list of titles of ... ... ... ... xv 



Evolution, processes of ... ... ... ... ... 89 



Fasciola gigantica ... ... ... ... ... ... 160 



„ hepatica, life-history ... ... ... ... ... 159 



Faunal survivals ... ... ... ... ... ... 122 



Pa volus, key to species and descriptions ... ... ... ... 291 



Fisheries Work ... ... ... ... ... ... 85 



Flora, Carboniferous, northern and southern ... ... ... 123 



„ , Glossopteris, rise and spread of ... ... ... ... 127 



„ , Natal, affinities of ... ... ... ... ... 76 



„ , of Isipingo ... ... ... ... ... ... 348 



10 



