and dark brown – blended beautifully.
     Just beyond here I learned a new fact about the birds.  It is this that makes the study of nature so enjoyable.  We never can go to the woods without learning something new.  We may make a life study of nature, and yet miss many things.  John Burroughs listed a few birds which Audubon never saw – and no doubt someone will find new ones after Burroughs.  I am glad to say I have a million or more new facts yet to find out, which of course have been found out by others long before, and which I doubtless could read in books – but this would rob the whole pleasure from the study.  As John Burroughs says, the beginner learns fact after fact with joy as if her were the original discover.  This is not telling what I discovered.  I solved for myself the mystery of the lonely cry I heard last Sunday – the wailing whistle represented on the scale as mi-re.  I was just coming down the other side of the rise of ground I mentioned, when I first heard it.  As it was not far away I proceeded with all quietness possible, lest I disturb its author.  Presently another one began to answer form a–