Arisaig, Saturday, July 26 1913. Our train is lying at Quitsmist. Started out at 8 A.M. to drive 22 miles to Arisaig. Called on Mrs McDonald, but ran the Arisaig section with the engine but learned nothing new. The igneous material at the top of the Storehouse formation is interpreted as a dike and by others as a lava flow. Carr- uthers state it is a flow with some faulting along both sides, he says the holes are not hollow nor are there early surfaces as one should expect if a dike. Further, the dike has joints at the top in which occurs shale material. This dike looks like this. Storehouse formation. Red Devonian dike igneous. Carruthers thought the Arisaig fauna had close resemblance with the Silurian of Great