276 MASS. (Middlesex Co.) 1876. March 23 And the most sonorous jingling discord of the sparrows came up from the brooding thickets. Many sparrows were singing on all sides and this migration is now probably at its height. At least 100 Tree Sparrows were scattered along the edges of the meadow and the males were singing in full blast. Their song is remarkably like that of the Canary but shorter and though not so strong and rich, surpassing it in wild singing, unaffected sweetness. I think I have never heard it to so good advantage before and deliver that I have never properly appreciated it. It cannot however at its best be compared with that superb song of Pas. iliaca. [Crossed out] The Tree Sparrows are starting N. as the above mentioned flock was larger than any that has spent the winter with us. March 24 Clear and a most lovely day. Got off directly after breakfast and took a tramp over the farm, returning home by way of fresh p. I saw finches in abundance and heard their peculiar spring notes every where. I say spring notes because they seem to be altogether peculiar to the early Spring before their departure for the N. The only song used by them in summer is a simple and decidedly unmusical trill but just at this season they are all working busy practicing up as performance when apparently always good at anything when hard. To day after hearing them all the morning I found a large flock in our apple orchard on my return at noon very male of which was apparently giving his utter