Warmer. Leaves of the tulip tree beginning to turn yellow. Sunflowers & gladioli in full bloom. Godetias getting past their best. Mantbretias coming into full bloom. Elderberries now ripe & bird-shit everywhere deep purple. Purple stains on logs etc. where they have been. Seems difficult to believe that birds digest much of what they eat. The man who keeps the guinea pigs here seems uncertain whether or not they sleep. Says they close their eyes sometimes, but it is uncertain whether they are asleep. First English eating pears today.