SMUT IN WHEAT. 117 



to fwarm wilh animalculas. Both glafles were now filled 



wicli ffffti water, and placed under invc^rled jars. Being 



examined two days after, each of them (warmed with lively 



animaiculae. Wliile viewing them, a fmall particle of lime i-'jfT^^ v^ttr ^ 



uater zcas added to ike drop, ■which proved infta/ttlj/ falal, m:\\z\x\<is hoai 



at lead all motion cealed inftantaneoufiy, and was not re- fmu:. 



newed. 



Among other inferences which mav be drawn from (he ^"^'^'■^"ce. 



,. , „ , , /• • % n .1 . 1 r , Smut is caufed 



precednig laas and oblervations, are hrlt, that the caule of ^ ^ad feed, 



hnut is in (he feedj and that finut produces fniut in (he crop, and lime water 



At (he fame time it is readdy admitted, that certain fea(bns ^'^^"* 



are more favourable to fmut than others, which can only be 



confidered as a fecondary caufe. 2. That lime ufed in the 



manner above luentioiied, prevents fmut, if not entirely, at 



leafi; fo far as not to prove injurious. 



Is fmut occalioned by animaiculae? Some of the foregoing 



facts leem llrongiy to favour the idea*. 



V. 



On the Difcovery nf PaUudinm, ; xvith Ohftrvations on other Stib- 

 Jlaitces found ivith Platina. Bj/ William Hyde Wol- 

 LASTON, M. D. Sec. R.S\. 



XlAVING fome time fince purified a large quantity of platina Tlie principal 

 by precipitation, I have had an opportunity ol obferving various prefgnt memoit- 

 circum fiances in the folution of this lingular mineral, that have is palladium. 

 not been noticed Ijy others, and which, I tlunk, cannot fail to 

 be interefling to this Society. 



** Mr. Nicholfon will readily perceive that the fubjeft is not 

 near exhauiled. If future inveftigation Ihould prefent any thing 

 worthy of communication on the fubjeft, Ihould Mr. N. deem 

 fuch deferving a place in the Philofophical Journal, he has only 

 to mention it in a marginal line. 



Anfiver. The difeafes of corn form a fuhjeft of fuch h'gh im- 

 portance, whether conlidered in an economical or fcientific point 

 of view, that I muft confider it a duty to pay the moft marked 

 attention to whatever may tend to elucidate it. — N. 



t Philof. Tranf. 1805, p. 316. 



As 



