| Show MW KOW SPIDERS FLY I 1 WAS VAS very much nit a few days daja ago ial in hearing learing A give nil air acconey of a manuscript oho bho hd had seen liven winch which n on nit writ ten by jonathan edards ben nine nuo years old it vaa rati nn an account of certain moll new england the manner io in idich chich thy they lly fly the nir air ond and the lay bay to ace co then best by getting into the edge of a chadow and looking tou toward ard the pun fun it in 6 neatly mid find carefully written A and nd illustrated by little very rory nicety nicely done tl TI a 0 tendencies of the yog writer appear lor for bl bin bonciu tou sion as a to the ilia 1 foul feel MUD of RI 61 blank and their lining flying LA ij thib tho the little are and since innell bigland the p pov ailing vinda tire west they are carried to the sea in their flight n arth ith n fifth hey lava conium oJ and go EO the land Is clean cleansed ved iver y ono one knows how in tunny sunny woal hT the little stand tug on handa project front from their fina fi filament lamenti of rom which aro are caught ly by tho the and and iffat bloat off into tho the air though still atta oled to the spider when acu she eho per relics that tho the thread la is long enough rind idd the pull of the wind sufficient tho she releases her hold and files away on her gossamer like a divell on a broomstick by watch ing 05 her chance rind and letting go only ulten he bo breeze it is faNo favorable rable she aho Is is earned carried tatter to hor 1 ind lintton lift Ton baya T tried by plating the on oa a chip floated atia en 1 rail part 0 of water so long ion nn as tho the air lies in m loiou about there them they acro era able very vcr soon to escape from their island aaland but when a bell glisa glaga was placed over the pm part thus pre outing ar currents they could not dot pot got from the joined inland to the our BUI rounding share but how does it happen that on oa settle setting 9 out for a vo voyage aage tho the spider almost embly abend with her web and continues continuo a to rise until by pulling m in her thread ho abo reduces her bar hoiting flailing power and so BO comes down t spider web in oil nud a of itself in 13 not than air lowth low then entis is its buoyancy to be explained in two avos a I 1 think 1 aca ban tho the sun ua is every projecting object like a kh talf 19 0 or 1 tick absorbs beat moro more rapidly thau 1 t tho h air tur becomes ak w armor than tho the our mr and aej ilk us acts like an independent source of heat beat in concreting no an cuir current rent fo ED that macd ben tho the spider lots iota go her told the rind aud her bar thread aro are carried alried up tip partly by tb a action of this current hut this is id not all unless I 1 ant am much ra mistaken the aerion of the rays on mi LAO thread and iu its envelope of ef air ill the main cause of its ita buoyancy air li is nearly dia or transparent to heat beat so that the solar riya rays in traversing it vann it only slightly tho the spiders ep idora thread is riot not 0 so o but in the warms up almost instantly tho the air in immediate ler contact vi ich it and then although the abider thread alone Is s heavier than air yet the abo labroad aud the adhering am clope cf and expanded air taken beget hor her are arc lighter them than tho the bulk of the cooler air ito around und and them constitute a quasi ile a 3 I 1 balloon on which the spider baila haills aw ft y of course it ic this ihm ratio ui no the poor cannot mail bail touch much on cloudy days bud boj I 1 think in fact they do nol rf C 4 I 1 ll A aton journal of Chef |