CHRONICLE, SATTJEDA Noted Scientist Makes a Tour of the World, Collecting Many Botanical Specimens, i CROSSES SIBERIA INTO MANCHURIA, Much Impressed With What He Saw in the HimalayasΓÇö Spent Some Time in Euca- rrpiuo- John Muir, the famous geologist and botanist, arrived yesterday on the liner Siberia from a tour of the world. From strange lands he brought huge parcels of rare specimens of flora that men of science will be interested in knowing about and in the course of his year\u27s journey in foreign lands saw sights that repaid him for his time and labor. A year, less one day, he has been abroad. On May loth last\u27 year Muir left this city with President Roosevelt for a trip to the Yosemite, and a few days l...