Show scientific miscellany I 1 Z some timely investigations in con conne tion with acetylene have been made prof lewes the retted fc drogen existing in the gas from co 00 COB mercial calcium carbide ranges I 1 in 11 p DK portion from 60 to per cent but a experiment shows that a percentage is necessary to form a hixt liable to spontaneous ignition can be absolutely no danger brorn froats impurity in one of the three generator now used the tem tempera tm rose above deg C in 13 mija minute at this high temperature benzine ax tarry matters are produced the volume of at liberated gas and a type of generators is therefore recon reco mended in which the carbide is allo allow to f fall all at intervals upon a perfo perforate tray submerged in a large volume water the cause of the smoking acetylene burners after a little use useba found to be the benzine this DUI can be avoided by the use of the chete temperature generators and war with a constant flow of water the production of fog by ultra violi light formed a striking experiment men S MT mr C T R wilson at the last go coin of the london royal society the bei from an arc lamp was in tube of moist dustless air and in a a minutes a blue fog was seen in tha laminated lumina ted cone on cutting off the 1 tra violet rays by a sheet of ml mica a fog appeared this suggests that small particles iving e rise to the b of the sky are produced by the A violet rays of sunlight absorbed ju laa upper layers of the atmosphere j the largest camera in the shown at the international pant graphic exhibition in london la djs high 12 feet long when fully efte extend and takes a plate 5 by 4 feet A esst holder in the middle of the bod accommodate short focus lenses to tort a room 7 by 7 by 3 feet in which ll 11 exposure may be watched the paper church at bergen way is made waterproof water proof by a 0 of quicklime curdled milk and of egg A study of the mysterious soc known as marisal Bar isal guns or MI mist o fers has been made by dr A came an italian physicist in and about inland province of umbria H here ere noises are known as amarin marina the i ular belief being that they 0 come o me f the sea the sound to Is quite dist and easily recognized invariably lif pears to come from near thedori the horiko ho rixo under a istance distance and it resembles adte thunder though more prolonged dull successive detonations deto nations to sometimes at intervals of only a minutes or even seconds dr jr S cant cani concludes that the phen phenon cannot be due to a stormy sea gusts gusto of wind in mountain gorges f when the sea to is calm aiudi heard on mountain summits and plains its origin cannot be aam atm athoa lc because it is confined to out special regions and it cannot bea necked with art artificial noises for fogu h curs by night in as well as by I 1 day I 1 where explosives are believed therefore that the caupe be a seismic one existing wital earth 1 the recent execution ution in gk ft dangerous dan gerou elephant hant belong 01 tauM 0 and balley bailey show have boived ahe of M JIU humanely manely killing such animals As such methods as poisoning shooting f and bleeding had proven unsatisfactory it was resolved that this elephant v weighing ing nearly 4 tons and about 22 years ears old ald should be strangled to avoid enraging the ani animal mial it was al lowed to remain standing quietly in line with 20 or 30 others its legs were chained to posts and a new manua rope was wound loosely around its neck aeck with one end fastened to strong villars and the other to pulleys having a drawn by 90 men it continued unconcernedly as the rope was waa drawn taut As the men then walked away it still gave no sign of biscom fort but at the end of 30 seconds it slowly collapsed and lay down without the slightest struggle or indication of pain and in six and a half minutes all movement ceased the eye being fixed and rigid after 23 minutes krypton the newly discovered fifth element in the air is supposed to be gome somewhat what greater in density than oxygen and to constitute about 1 of the atmosphere the sixth constituent now suspect suspected ted to exist is believed to f be like helium lighter than nitrogen evidence collected by M canaille camille Pla marlon tends to show a connection between the sunspot sun spot period and the yearly return of swallows cuckoos and nightingales and the flowering of chestnut and lilacs he also himself f i observed the trees since 1871 his ob have been made upon the ame trees and in the same manner throughout and the results gives varl vari affons strongly suggestive of a connect tion wl with th the number of spots on the sun gun the record of the return of ids has bas been kept since 1853 it Is f lo koroven roven that the migratory birds return E to any one place earlier in the year fe than usual if the spots are numerous r and later when the spots are at a f f the cycle of change covering It bout eleven years another curious that during th the e 1 A baroug brought out is t laet twelve years at least the mean of april and may has been I 1 the aade me as the mean temperature of y be year y 11 the drinking of pure water by some I 1 species of butterflies is carried to such V excess that mr J W tutt an english 1 suggests that it may have il literally s tel all 7 become a vice it appears to be certain that they drink infinitely xvi tere ivore than is required by their tissues 7 hafler any possible conditions condit ione and 0 have been observed to a sit it mo F ti onless tor for more than an hour while encking up and discharging moisture 4 t singular habit whose meaning I 1 cannot even be surmised seems to be entirely to the males XA X a A artificial teeth that have become aamir implanted in the jaws of dogs men have been made by aw arrom gutta percha proc ellain or met a holes are made in the base of the which to is then placed in a cavity l amed ed in the jaw and in a short time soft granulated growth enters the in the tooth and gradually hard firmly raty holds it in place |