'IV INDEX. 



1. 



PAGE 



Aulax 380 



Bacillus atroscpticus, causing black lep: or soft rot of potatoes ... 85 



Bacillus citrimaculans, causing bacterial spot of citrus 83 



Bacillus coli, causing coconut bud rot S.4 



Bacillus niangiferw. causing mango blight §4 



Bacteria, agents transmitting to plants 70 



, factors favouring niant infections by 75 



,. , mode of plant infection 76 



„ , of plants, latent period of y-j 



„ , of plants, symptomologv 78 



, role in plant diseases. Presidential Address, Section C 65 



Bacterial plant diseases, prophylaxis 86 



Bacterial wilt of potatoes and tomatoes 85 



Bacteriological examination, Vaal River water 32 



Bacterium cainl>cstrc, of Cruciferous plants 85 



citri. causing citrus canker 82 



juglandis, causing walnut blight 84 



,. malvaccaruui, causing angular leaf spot of cotton ... 84 



mori. causing inull)erry blight 84 



nectarophilmn, causing blight of pear blossoms ... 8' 



„ phaseoli. causing bean blight 8.=i 



„ solanacearum. causing wiit of potato and tomato ... 8.=, 



„ tumefaciciis. causing crown gall 84 



Balantidiuni coli, in pigs IQO 



,, ento^ooii, in Xenopus Iccvis iQO 



Barbetula pusilla 344 



Barium and sulphate, volumetric determination of 174 



Barringtonia acutangula, host of Lo7-anthus Dregei 346 



„ „ , ,, ,, Lorantlius quinquenervis . . . 346 



Beciuni ohovatuni 286, 287, 288, 28g 



Black rot of Cruciferous plants 85 



Blepharocorys uncinata, in horses IQI 



Blight, bean, due to Bacterium phaseoli 8=5 



,, , mango, due to Bacillus mangifercc 84 



„ , pear blossoms, due to Bacterium nectarophilum 83 



Blood cells, diffraction phenomena in iQi 



Bopiisia siihintegra 288 



Borhonia .397, .398 



alpestris 398, 399, 407 



barbata 399, 403 



complicata 398, .399. 4oS 



cordata ... ._._ .399, 4o8 



„ „ var. ciliata 405 



crenata .397. 399. 404 



elliptica 409 



lanceolata _ ' ,398, 399, 40i 



„ „ var. gracilis 402 



robusta .398 



„ ,, „ villosa 40- 



latifolia .398, 390, 406 



Borbonia leiantha .397. .399. 407 



„ monosperma .398, .399. 40l 



„ niultiHora .398, 399, 405 



« „ pannilora 397. .399. 406 



perforata 399. 403 



pinifolia .398 



„ trinervia .399. 40i 



undulata .399. 40.5 



„ ,, var. ciliata 405 



villosa .397. 398, 400 



Bot River, origin of name 4.32 



BotrvosPhccr'a 260 



