Show An Animals Animal's liars Lars arB Arc Are Best Mikes w S Scientists Find N. N J. Jr measurements on the ears eurs of at guinea pigs show the time animal ear to be a afar afar atar far tar more effective microphone than those constructed mechanically ac according according ac- ac cording to the announcements of ot Ernest U 0 O. Wever We and Charles CharieR W. W Ura Bray Uray of the Princeton University sity Department of Psychology Small currents arising In la the cochlea of at the time Inner ear and measured mEns meas on an on provide an accurate measurement of or the response response re reo of ot the time animal to sound and the time results o of e ent experiments show that animal Is capable of at I responding to tones lones of ot n 11 wide range of frequencies even though thou these tones toOlS be bc faint taint whereas It Is II a fact that mechanical microphones microphonE'S must sacrifice sensitivity or range |