Show MINUTE WONDERS OF NATURE THE fiber of the coarsest wool is about the five hundredth hun dreth part of an inch in diameter HUMAN hair varies in thickness from the two hundred and fiftieth to the six hundredth hun dreth part of an inch ISK thread of silk spun by the common silkworm is only the fifteen hun dreth part of an inch in thickness LENEN nocK and Humbold fc both say that a single pound of the finest spider webs would reach around the world THE pores of the skin are so fine that it is estimated that there are thousands of them to every square inch of sur face MIBS HEIT BIETTA RHODES bays that there is silk enough in single cocoon to extend a diance of five hundred and thirty five miles THE very finest of cheeps wool is three times the diameter of the coarsest spiders webs or only fifteen hundredth part of an inch thick SOME of the common garden spiders spin webs so fine that thirty thousand of them laid side and side woud not cover the space of an inch THE diatoms single celled plants of the seaweed family are so small that three thousand of them laid end to end scarcely suffice to cover an inch afi space on the rule WOODS the naturalist says that when youngs spiders first begin to spin four hundred of their threads are not equal in size to one of the full grown insect st louis republic THE sting of a bee when compared with the point of a fine needle under a powerful microscope is hardly discernible the point of the needle appears Q be about an inch in diameter TUB smallest known species of hog the pigmy swine of australia they are exactly llop their larger brethren in every particular except size being not larger than a good sized house rat |