Show i J J Japanese se Waltzing Mice Mie Will wm I Replace ce Can Canaries ries as Gas Detectors W WASHINGTON O Oct t t. t 15 1 AP AP- AP Japanese waltzing mice probably will soon replace the canaries that are Arc always lS carried on on the eleven r rescue cars nu and circulated CIlC through tho United United- States and nd Al Alaska bythe by bythe the the U United States bureau of mines cana heretofore been beefs darned carried along with JU surgical surgical and and food uP oxygen apparatus and gu gras godS Instruments became they have been th the h heat t known of the tho deadly carbon monoxide on gas fatal in inte e tIle home homo garage lc as ns' w ll as as- asIn in the tho oal coal mine t 1 12 r IS r Lut 1 But Jut the department thode of commerce announced today tho results of or co comparative com com- tests at th the a g e cx- cx station tation of or the tho bun bUreau b au oC or mines in it was found fOUld that the tho Japanese mice reacted d to carbon monoxide more moro quickly thin canaries Officials ot of ot Ui tho bureau said that substitution ton of f of tho mice for the lor the birds in Sri the rescue rescue cars Care would naturally nat flat toll follow w I 1 Guinea pI were ere to found nd unsuitable fop lor detection n of ot the tho gas J They stir stir- Iv d pm amounts of C monoxide which would yo d cause unconsciousness s 5 ln In a aman aman man doIn modern moderate work |