The American Journal of Science and Arts, Volume 50 (First Series)Front matterReading editionChapter navigation15 reading sectionsGo to chapterChoose a chapter…Front matterAMERICAN JOURNAL OF SCIENCE AND ARTS.PREFACE.EXPLANATIONS.ERRATA.INDEXINDEX (continued 2)INDEX (continued 3)INDEX (continued 4)INDEX (continued 5)INDEX (continued 6)INDEX (continued 7)INDEX (continued 8)INDEX (continued 9)SUPPLEMENT.Beginning of this editionNext chapter →AMERICAN JOURNAL OF SCIENCE AND ARTS.All chapters and sections (15)Opening pagesFront matterOther sectionsAMERICAN JOURNAL OF SCIENCE AND ARTS.PREFACE.EXPLANATIONS.ERRATA.INDEXINDEX (continued 2)INDEX (continued 3)INDEX (continued 4)INDEX (continued 5)INDEX (continued 6)INDEX (continued 7)INDEX (continued 8)INDEX (continued 9)SUPPLEMENT.Benjamin Silliman M.D., LL. D professor of chemistry, pharmacy, mineralogy and geology in Yale college, and his signatureTHE◇AMERICAN JOURNAL OF SCIENCE AND ARTS. →