. St. Nicholas [serial] . tities, and whenthe hot summer days arrive, this ice begins tomelt. The process of melting so chills the airwhich is in contact with the ice, that meltingis retarded, and several tons of ice remainover the season for the next winters stormsto build on. Many times in summer and au-tumn I have packed custard, rock-salt, and afreezer up the mountain on my back, andfrozen ice-cream a la carte with the ice I havemined from one of these caverns. Our illustration is from a photograph takenlate one November, before new ice had shows a mass of ice at the bottom of on
. St. Nicholas [serial] . tities, and whenthe hot summer days arrive, this ice begins tomelt. The process of melting so chills the airwhich is in contact with the ice, that meltingis retarded, and several tons of ice remainover the season for the next winters stormsto build on. Many times in summer and au-tumn I have packed custard, rock-salt, and afreezer up the mountain on my back, andfrozen ice-cream a la carte with the ice I havemined from one of these caverns. Our illustration is from a photograph takenlate one November, before new ice had shows a mass of ice at the bottom of one ofthese caverns that had withstood all the heatof the previous summer. George Burbank Shattuck. BOULDER SPLIT BY TREE When the tree, shown in the accompanyingphotograph, first began to grow, it was a weesprout of a thing that seemed to have comefrom a slight crack in the rock. The littleplant evidently got enough sustenance fromair and rain, for it continued to develop, send-ing its roots deeper and deeper into the tiny. A RHODE ISLAND LANDMARK crack on its way to the earth. And so as theseasons rolled by, it continued to grow in spiteof its stony handicap, until it struck root inthe ground and finally split the rock entirely 946 NATURE AND SCIENCE FOR YOUNG FOLK 947 apart. It is a landmark that is known all overRhode Island, as it is on one of the mainroads running through that State. L. M. Edholm. WHAT A GRAIN OF WHEAT WILL PRODUCE Some remarkable experiments have recentlybeen carried out in England to show the pos-sibilities of a grain of wheat. It has beenproved that under special treatment the grainwill produce an almost indefinite number ofears. The particular experiment was carriedout in this way: a conical pit was opened upin the ground; this was about eighteen inchesdeep, and measured about a yard across at thetop. In the spring of the year a grain ofwheat was placed in the bottom of the pit andcovered with about half an inch of soil. Whenthe shoot appeared, in a few
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