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About Hesperian student / (Lincoln [Neb.]) 1872-1885 | View Entire Issue (March 1, 1878)
No. 3. EmTon'B Tablk. 339 The University of Pennsylvania litis two thousand eight hundred and twenty four regular students. Of this number, theology claims one hundred and sixty eight; law, eleven hundred and fiftj'-cight medicine, three hundred and forty-fivc. According to the Dartmouth's corres pondent at Wellcsly, the examinations are not given out until the morning of the da' on which they are to come off, in or der, no doubt, to prevent cramming. It is pleasing to notice the advance ment being made in college journalism. Certainly the college press is destined to wield its inlluence ; and we deem its rise one of the most important fruits of pro- gressive ideas in education. Though if too much freedom is given Hue branch of the press, its abuse by youthful and thoughtless writers is to be feared, and should be guarded against. SCIENTIFIC NOTES. Plants intended lor the herbarium arc reported to retain their natural colors if dipped in a warm mixture composed of one part hjdrocloric acid and six hun dred parts of alcohol. The seeds of a leguminous plant growing in Mexico have been remarked as possessing a capacity for hopping about in an unparalleled manner. Mr. Henry Edwards,entomologisl,has revealed the 6ecret of their motion. The larva of a moth of the Tortricida makes its home in these seeds, and jerks them about with its movements. A Frenchman has analyzed the duBt and debris of 'he streets of Paris and Florence, and has found that 35 per cent of that collected from the roadwa' is iron given off by horses' shoes, and that from 30 to 40 per cent, of that taken from the sidewalks is glue. He proposes to utilize both the iron and the glue. A new coating lor the bottom of iron ships consists of brown paper attached by a suitable cement. It is the invention of an English sea captain, and the substance lie proposos to use is a preparation of pa pier machc. It is stated that weeds and barnacles will not adhere to paper, and that the special cement by which the pa per is in this case secured, may be applied cold, hardens under water, is unaffected by comparatively high temperature, and possesses great tenacity. Experiments made with a view to test this method, show that a plate thus protected on one side has been immersed for six months, with the result that the protected side was found clean, while the unprotected metal was covered with rust and shell-fish. A writer in the Fortnightly Jicvieto says that the cat is more sensitive torarified air than airy other animal organism. At tempts to acclimatize it atPotosi, Bolivia, 13,000 feet above the sea, have failed. It has remarkable tetanic fits,beginning like St. Vitus' dance, and after that spasms, in which ii leaps violently up the side of a house and flies into convulsions. CaU born 7,300 feet above the sea are deaf. When the usefulness oi compressed pa per for railwaj wheels was demonstrated two or three years ago, people asked : "What nextV" The question can now be answered. The latebt use of paper ap pears to be for chimney pots. They are made in Brcslau, and are light and dura ble. Before the paper pulp is molded and compressed into the lequired shape,it is treated with chemicals which render it non-infltimmble. r The latest improvement in the telepone is a bell signal. Tins was very much needed to complete the instrumcLt, since, without such aid, it has been exceedingly difficult for a person using the telephone to call the attention of a hearer at the oth er end of a line. The bell-call operates without the need of a buttery; it is effec ted by simply turning a wheel, which causes magnetic coils to revolve, giving a current sufficient to move the hammer of a bell at the other end of the wire- gUP? i.j . i nwiii fWWrrrr'lni H1 mm wivr """ '""""' "" ! -- - - - i ., ,, - TBfflBffUMTTimilWIIIMMIHIIWM 111! iM .. .Jirrr l"2g!3Hl '' ll'11' '