July 18 Wednesday Arisaig. Rained all night and continues on this morning. Staid in the house wrote letter and read all the morning. Note to Rothburn, Drilliard and Mrs. Otmy- onan Rained all day July 19 Thursday Arisaig. Collected in the morning along the shore east in Division C and B'. Division B is a soft shaly gray white B' in a harder shaly gray but more than hundreds of limestone. Collected in the afternoon from the red stratum N.E. to Mr. Adams house in division C. The fossils gathered in the morning from the lower limestone probably in Div. C instead of Div. B'. I have now seen all of the gray limestone from B to D. Palaeontologically it is one series and forms part of a district basin from that of the United States. Approximately the Linnay conforms with the Clinton and Niagara. If any portion correlates with the Medina it