44^ AN ACCULTNT Ol-' NATAL FUNGI. 



538. Euclca iKitalciisis. Near I )iirl)an. 25/5/97. (6447). 



53(;. Euphorbia cnibcsccns. (lO')- 



540. Hydrocotylc honaricnsis. (430)- 



541. /scliaiiiuiii aiu/iisfifoliiiin. l)url)an. 14/7/03. (1134OJ. 



542. Laiifaiio sali'ifulia. (11349). 

 343. Lciicas Marti)iicciisis. Marcli 27tli. (11354). 



544. Aloscliosiia I'iparia. (11345). 



545. Ocimiim obtiisifoliitin. Ai)ril. 1.S81. (545)- 



546. Ocimuin obovatum. ( A46I. 



547. Pavetta sp. (ii347)- 



548. Pavetta lanccolata. Mayville. 22/7/15. 



549. PcUcca has tat a. (243)' 



550. Polygonum toincntositm. (75)' 



551. Planus pcrsica. Inanda, 1877. (7). 



552. Rhus sp. Inanda, November. (A457). 



553. Rhynchosia orthodanum. July. (A579). 



554. Royena villosa. Springfield, 14/7/15. 



555. Royena pallens. 13/10/88. (4078). 



556. Rosas]). Durban, August, 1882. (.VOSf)). 



557. Salaeia Kraussi. Near Durban, October, 1888. (4028), 



558. Salaeia sp. (696). 



559. Salaeia sp. (11341). 



560. Seueeio (climbing). (11348). 



561. Seueeio oxyrucfolius? D. C. (11350). 



562. Smilax Kraussiaua. (100). 



563. Sponia sp. (A564). 



564. Tragia sp. (629). 



KAX.SACTIOXS OJ-" SOCIETIES. 



South Aki<ic.\x I .\stiti:ti()N' ok Engixkkks. — Saturday, I\Jarcli loih : 

 B. Price, M.I.E.E.. .\..M.I.C.E.. Pro.sidcnt, in the chair.— " A'o;/rf Mining 

 Economics- : sonw salii-iit uniipfrcciatcd issncs": d. .\. Denny. The 

 paper dealt witli soiiir of iht' lundaniental principles L;<ncrniny mining 

 policy on tiic Wituatersrand uold fields. The author at the outset 

 referred to the vague knowledge available to the mine manager respecting 

 tile econonu'c fundamentals of in's business, and stated liiat failing su:h 

 knowledge the operations of a mine might be ijrejudicial to its standing, 

 and the conclusions l)ased tlurion so radicall\ contrary to its interests as 

 to lead an otherwise sound umli rlakin.L; in disaster. 'i"he causes respon- 

 sible for this stale of .-i (fairs were poiiUed out. and a coiri|ilt'te investigation 

 of tlie lundanuniais of mining; economics advised, 'i'iu author proceeded 

 to di^cnss lb. m, ibods of calculalin.t.; ilie tonnage and \alue of ore 

 reser\-es, .and made various su.^.iieslions res])eclin!4 those reserves and 

 related i-conmnic issues. Ii u;is als<, |). linud olU that blocks of ore which 

 fi'oiii Ibr poim (il \i( w ol (K\ eb.piinnl were fiil!\ (jpeited n|i were oeiU'i' 

 ally \\r..iiL;l\ r(;;;i|-ded as full> \alned. I be t rononm-s of milbnt; \i<\\ 

 .^rade ores ueie also discussed, and il w.is .is^erled ib.'it lb* milling of 

 waste rock .uener;dl.\- n-snlls in loss and creates an impres.sion of improved 

 \vork by spurious lowi'ring of working rost jier l.^n, wln'ch. as the prin- 

 cipal olijectivi'. m.akes for e.\trav;i,i;ance in capital om!a\. 



