Is egin a admhail gorab mo caindigecht na greine na na talman & nach ted sgali na talman tar speir Mercuir suas chaithi & is ar cuma speiri ata sgaili na talman .i. an chuid lethan risin talman & se ag dul a n-giri tar es a chele no go taire becan don taibh thuas do speir an re. Et is e in sgaili cedna dorcaidhes an re do rer mar beris se air, oir an trath bis an re a n-desgeart no a tuaisgeart an sgaili, an chuid ar a m-bi se don re dorcaigid se e & an trath beris se ar a leth dorchaigid se uile e. Et gidhed ata a fis againne & fuaramar sgribtha nac soitheann an sgaili sin na talman na h-airdrennaidh na en plained do na plainedaibh ach an re amhain, noc ata na comursain ag an talmain & is ime sin bid na plaineid uili a n-egmuis an re & na hairdrennaidh tri bithu sir solus on grein & is as sin derbas gorab mo an grian na an talam da mhoran mar foillsighes an fidair so this .