To Dr. C. Hart MerriamMartinez, Cal. Oct. 23, 1900.My dear Dr. Merriam,I am very glad to get your kind letter bringing back our big little Sierra trip through the midst of so many blessed chipmunks and trees. Many thanks for your care and kindness about the photographs and for the pile of interesting bird and beast Bulletins. No. 3 contains lots of masterly work and might be expanded into a grand book. This you should do, adding and modifying in accordance with the knowledge you have gathered during the last ten years. Bat Alas.9 Here you are pegging and puttering with the concerns of others as if in length of life you expect to rival Sequoia. That stream and fountain article, which like Tennyson\u27s brook threatened to go on forever, is...