. Ontario Sessional Papers, 1897-98, » loss of heat or of volatile constitu-ents, seems capable of producini; only folds ;and it is doubtful if thrusts in two directionsat right angles ^o each other could produceanything except more complex forms of thesame kind. The formation of irregularlyplaced domes demands some other cause. One naturally compares these batholitic^-^mountains with the laccolites so distinctlybrought before the world by Gilbert in hisdescription of the Henry mountains of Col-orado. There also there are oval domes,though not over three or four miles indiameter. Lar
. Ontario Sessional Papers, 1897-98, » loss of heat or of volatile constitu-ents, seems capable of producini; only folds ;and it is doubtful if thrusts in two directionsat right angles ^o each other could produceanything except more complex forms of thesame kind. The formation of irregularlyplaced domes demands some other cause. One naturally compares these batholitic^-^mountains with the laccolites so distinctlybrought before the world by Gilbert in hisdescription of the Henry mountains of Col-orado. There also there are oval domes,though not over three or four miles indiameter. Larger but more irregular onesare described by Whitman Cross from theadjoining western States. It is evident how-ever that these cake-like masses of eruptiverock resting on their undisturbed floor ofstratified rock differ greatly from the RainyLake mountain stumps, which are only moreelevated portions of the general substratumof gneiss on which the sedimentary rocks,now rest. ^^Bathylite is the form of the word preferred by/Dana and Zirkel. C.^P. across Magpie River, Tote-road bridge in the foreirrouiKl. Ihotograph by Willmott.
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