Oct. 31 - Washington exceedingly difficult to overcome. The Bailey's are elderly - more frail than I've seen them ever before - the inevitable marks of time Bailey told me his mammoals of Oregon is due to appear "the first of the year" - is now in galley proof; says Chief Darling is actively favorable to publishing, but wants such reports more generally interesting, in style of compilers, to the public. Then went to Natl Museum, where most interesting conversations were held with its various people encountered. In mammal dept. saw Shamel (asst) and Verit Miller; latter looking fine, after last year's serious illness. He talked about tendencies toward increase in size in mammals leading "inevitably" to extinction. I raised the question as to tendency toward dwarfing leading in the same direction. He thought so, too; but "giantism" most fatal. He could not cite any case I reduction in size being shown