Errata.—The first line of the second experiment, page 441 of The Chautauquan for May, should read: “A body is buoyed up in water by a force equal to the weight of the water it displaces.”
SUNDAY READINGS.
[1.] “Summerfield,” John. (1798-1825.) An American divine. He was born in England, and moved to New York in 1821. He visited many of the large cities, where his eloquence drew crowds to listen to his sermons. He founded the American Tract Society.
[2.] “Krumacher,” Friedrich Adolph. (1768-1845.) An eminent German theologian, pastor of the Reformed Church at Crefeld, and later pastor at Bremen. He was the author of many works, both in prose and poetry.
ANIMAL BIOLOGY.
[1.] “Batrachia,” bā-trāˈkĭ-ä.
[2.] “Ophidia,” ō-fidˈĭ-ä.
[3.] “Lacertilia,” lā-ser-tilˈĭ-ä.