The Arkansaw traveler., 1884-04-05
ll1e-esis9 fs- zz< 1yt4-s~.~ T-s.<key SCIENTIFIC MISCELLANY

According to Joshlin. fishes have bee, caught at depths where they must haze sustained a pressure of eighty tons ,e each square toct of their bodies.
 The spectrum of the Pons- Broot. comet has been examined by Mons. Ire. pied. of Alsie.s, who finds # 70 se orzE. tically identical with the spectrum of ar alcohsl flame.
 Mir. w. Spring has found tha, ,he per. manent compression of solids by pres sure Of 70. 900 atmospheres is slight. ana some substances even retain their oriei. nal volume after having been su5;ecteG to that tremendous pressure.
 A disease parasite has been found ;n the common onion by Mons. goanneS Chatin. It has been examined by Mons P4steur, vho finds i, to be similar 10 the parasite of nildew in wheat. r.an;s which are attacked should be pulled IF and burned.
 A committee has been appointed bx the Royal Society of London 10 coliee, the various accounts of the krakato vo.. earic eruption and attendan, phenom ena. This committee may be able L prove or disprove the theory ;ha, the re- sunrses ana sunsets have been caused b. volcanic dust.
 A French scientist. Mons. Dacha,fe has seown that moonlight as well as sun light may have an influence upon plant, growth. Seedlings oflentils. ve,ches. e. which lad been kept ia dars place, i. once began to lend towards ,he moo when exposed to its light and continued to IT owe with :t
 An observatory prosiied si;a instr. meats fc- studying earthquake pheno,n ena hss bees established n !. zPanese coal m:re oy Prof. Mike. of 'roNlo. \ the nine r4as uaeer the sea. the .4.a1euzs Of the tdes lE depressing the grouac VI be included among thc observations. ss will also the conditions attending escape: of ii.e damp.
 Impure tood in Trarce.-Of ;.s samples of wine examined q: re iarls Municipal laboratory n one year. lRoie than half were found to be bad. while ,o were positively dangerous. Of .,e samples Of milk and cream. 54e proved to be bad: and of 7i samples oi iful; preserves, no less than :, were pro nounced dangerous. Of j. samples O water. o2 were condemned as dangerous
 A Psmy Race.-Dr Emin i3ey h. made some measurements of he ikkaS the small people discovered IT Affic.. ant frs, described by Schwein'lrth, and snds that when fnll-grown taeir heish.s range from fur | fcar and half feet. The skin of .tc AIkas varies IT, color rom :. clear willow 70 a glis,ening rel and the bodies are e1t;rely covered with hi6i stiff and filthy growth of ha.r Tses live IT numerous distiEc, tribes. i5ave :. fixed a.ofes, aaa are haa.Ias peaz 1'c skiled 2, he use of the bo9 acd q Gos
 A Land of Ice Baron Nc.dz.sk.oit convinced himself last summer .hat he was wrong in supposing that the nterio oi Greenland w as low land free from snox and lcc during part of the year. The view that the country IS one of glaciers i. confirmed by Mir. Edward N-ay.aper who has just given sc,ne particulars ol his osn observations. He found the height of the interior in the latitude oi | menak (about 7oe 90 NJ 70 consider ably exceed 10 GOO feet. From Yariogs. mountains on the eastern side Of Davis SsiaAiS iiC Has u2d ilCWS OI tuc NAOle or FGieenland's interior between about 6Ss 30 ard 7i0 i,, and has seen no break or depression within those limits of lati- ,ude, while the country is everywhere se deep ip snow and ice tha, TO rock o' erag is visible.
 Elevation ot the Northern Lights Dr. SoPhus Tromholt thinks the .ong- mootcd question of the neigh, above tht earth at which the aurora 5orea.is ap- pears will soon cease to be one q; the unsolved problems of nasu.e. !: .s est- dent that suror,u, like clouds. tioa through certain thickness of inc at mosPhere. and only approximate est mates can be made of ihe.r usual alt tude. Dr. Tromholt has calculated .ht heights ot the lower edges of c egh;ser aurora from measurements of ,heir pos. ton made simultaneously at two s,atior. of northern Europe abou, 61 miles apar, His results range from 47 ,o d l.t,ic ove 100 miles, the average being 79 nlle, He admits the possibility ,ha, auroi may sometimes very closely approach the earth suTyi ce, but states that !,e has never seen any portion of one be.o. ,he clouds although he has long waicr ed foi such ar appearance.
 Geological Discoveries in ,hc Hos land.-A geological exploration of the hoiy md has just been completed by an hngiish party under Prof Hull. The ancient margins of the Cults of Suez an, Akaoa were traced to neigh, of 200 fee: above their presen, level. showing ,ha, much Of the country was once subi.,ervec and has been gradually rising. Th; rise Of land must have caused ,Ae s-rar alton Of the Red Sea rom the Ned;,er- Fanean. and l'fot Hull believes that those two osdies of water were connected a, ,ne tune ot the Exodus. He thinks he has also discovered that the Dead Sea whose remarkable depression sives es- peciai interest to the geology ot Pal esune. formerly stood at an elevation sf 100 feet above it's present level. CT !. = 'ee. aec~c the !evei q ,hc Msdi,sf ,anean. The survey is said ,o have