114 INDEX. 



FAGK. 



Wood, fossil, in Lathi group ......... 34. 



Wrekin, rhyolites of .......... 88 



Wuenheim, pyromeride of ......... 86 



" Zeugen," west of Jodhpur ......... 45 



ZirUel, hexagonal inclusions in quartz phenocrysts ..... 80 



Zones, corrosion of quartz phenocrysts in . . . . . .79 



in felspar phenocrysts . . .82 



