Show Insects Wal WaI Walon on Water Vater By virtue of ot th Ir lr lightness combined com com- combined combined with n a ar or construction of the f feet et which keep them from rain becom becom- becomIng becoming becoming ing wet water spi pl 11 ers era and a number ot of other In Insects ar arc an able to walk valk read read- readily readily ily over oyer sheets of t ater supported bythe by bythe bythe the surface tension If hf t the Hie latter This tensIon acts illy v ll-v the same as n a stretched elastic m It Is su- su suf- suf sufficiently suf sufficiently stron strong for hese creatures but It Is practically n so far as heavier ones are nrc c So long longas longas longas as the feet and oil er portions of the bodIes of water Ins Insets ta remain perfect perfect- perfectly perfectly ly dry they are as safe cafe fe on the surface of water as the they fould would would be on terra firma but let therm th mJ once get wet and thIs same ne will quickly prove their undoing The The Pathfinder |