| Show SCIENTIFIC MISmLLANY A IIIIlcK oKnA Ciarhous Arm ph r IterrdTh Probt 01 Making I urge III IniomU Trollrj Ml re In Ii < miwrr Tim Iljn lm > tl < olutl < m Id 01 art Man 10001 et I hll UClitlA New Ell mint In fitl The reproduction of the truffle la I a perplexing problem for botanist Some land 0 i norm oC lot and Correo have been experimenting to determine whether tile uporw ale not diffused through the Intermedium of cuttte and particularly of certain domestic animals ani-mals of riulck digestion I but M Orlin Iblot seems to have proved that the tllrluston of the spores Is I effected by I IV tied mice This I thrown doubts upon Another common belief It lies been implicated probably without good ron r-on that both this Miluable fungus nnd the common mushroom produce spores which will not develop until they have passed through the Intes tint a uC tile cuw ur borme The wnlkln < ofUa fly on the ceiling Is I a familiar phenomenon not yet fully understood A recent paper by Mr VII V-II nierhold mentions that the micro Frope quickly dlproe the old theory I I mat flies hold to moolb Effaces by means of suckers and that 1I00ke Idea that flies stick to plans by n via 1 couo eerellol WD shown n dozen ears ago 10 be only partly sound Dr lIomhnul ho Established the face i = hot the flies hang on by the bell uC plllry adhesto n the molecular nt traellon between solid arid liquid bodies It I true the Coot hair are cry minute but 1204cille fly In I said to 1 ave 10000 or 12000 we need not be turprlsed nt what they can lo The I mcUiod proposed by Ilerr n Moat j for producing large artificial diamonds consists essentially In seatIng seat-ing pulverized coal Iron chips and liquid carbolic field In a strung steel tube and submitting to the action of the electric arc Unlike other methods a title process genelateo enormouo Ire sure during the operation ur the elect I I elec-t rl to current and It Is believed larger diamonds will crtolllo out as the 11 Joist ore cools The Ilrltlsh Isles have now 3219 rainfall rain-fall obsrvcrs with one station In every 21 square mile In England every 311 billion miles In Wales 74 square miles I In Sculland and 17U In Ireland Melhod oC oerhe1 connection for electric cars without the tuVof trolley wires ha vo been devised by a French ant n Germn engineer I Hoehert and UiYr Itottileper The former p aces along lIe toll oC ah er a con ducting rail to which tho current passes from arms projecting over the track from side pot fInd connect two or three cars together In such away a-way that constant connection U I kept Ul as the earn lines In turn under the charged arms The drawbacks to this system are Ibo great number oC posts requIred and the necessity oC running more than one car at the 11m These objections are ov come by Herr notulcperby the uso of a sconclary battery which Is I fully charged at the teimlnnl stations and l partially wher ever n top Is I ran d e Ihe stopping Ia Uon being nt charging lu18 where the conducting rail which may bo on on the Aide oC Iho cr Instead oC un tunIs nutomatliully brought Into tho 1 ell c if I from tile dlKtrlbutlng station This system requires few posts while the rccumulaloro being recharged at hort Intervals may be of the lightest character The current oC cant 10 transmitted from post to Imis can-t by underground un-derground wires Ken sclentmr deductions are more Hrlkln than the recent one of Lord Kelvin on the worlds underground fuel supply much of which Is I still hidden hid-den Tile tOal Is the relduu oC on I lent ngelallon ont tile oxen oC the air man probably all derived from this I gelllon which experiment bolo must IIIe furn shed three tons of oy J gen for each Ion oC coal This Is I the I proportion uC oxygen consumed In I burning coal The OIIIIe oC the earth I has nn Ilea oC Gill 000000 millions oC 8lur meters each sjuare meter I bearing tell ton oC air of which two ton Is I oxygen and n Klniple calculation calcula-tion shons vvlth great probable accuracy accu-racy that the total fuel supply In the earth U I 310000000 millions of ton It nan determined In 1831 that England Scotland and Uales hadllOOOO millions oC Ion of coal surely available with CGOOO millions of ton more possibly Callable Thli Is I more than Oat Ilrltaln could burn with Its own nil that country having thoreCore more titan fail average supply In his latest reseuuhcs M C Can lolle finds that seeds of IncNin corn ot > fennel and other plants are still cDpable oC germinating after Jl8 day exp sure to cold of forty dcaie below be-low zero rahr Our condition oC hlrlee lies been a subject of study lu Dr Loner i A German biologist I t Our ancestors lie holdq were totally covered Uh hair nnd Us disappearance may be accounted account-ed for by the fact Hint Us absence was rogallld as a beauty preference beIng be-Ing giving In choosing mates to those JmvI ng the least of It The hairs ale modified ene organs which he lost nil connection vvlth the nerves Trlml five man was probably clolhed In an Irregular covering of hair which varied In englh I color structure and thick nes a with tho functions for which It I w Intended The hair now remaining w a 8 left for n definite I purpose Cer 11 IrJ f F h rain holes serve no carganx of touch notably the eyelashes and In a less degree de-gree the evelnovvp lioth serve to protect pro-tect the eye In animals the hair serves to maintain And regulate the body heat but In man the hair of the scalp alone has such purpose Incandescent burners lialng man ties similar to those used for n coal gas flame nre flow made for oil and pplrit lamps Th kerosene Is I drawn up Into n small chamber by n number of 11 Icksvaporlzcd thereby n small external flame Rail aft or two minutes And n halt supplies oulllelent Vapor to keep the mantle tire white heat The disadvantage of this burner Is the delay de-lay of two minutes and a holt before It Is J ready for use Thin sheets of wood are glued to cotherln a factory of Wnrnowlltussla po that the grain crosses an elastic I late which cannot bo twisted out of shape being thus obtained These Mates are used for rqoflng tiles They ptnml the weather veil after being pitched and inn be I made fireproof b > naturatlon with potassium silicate soluble glass The roofing weighs 12 pounds a square Yard I A substance believed to be n new element has been obtained from cast Iron and boilerdust by Mr n O nuoeher an lnellsh chemist craft has been brtlttcfl to Prof Wm Crookea fors teelroseople Investigation Another Anoth-er aoaer Mr r O Iluddock has nolle a like material In steel drillings drill-ings from the Continent Acetylene Is I now used for lighting Paris omnlhuse generator arid cr bide ighing about 30 pound |
