8. This dianil undergoes transformation with (1) Glacial acetic acid, forming an anilid of unsymmetrical constitution. (2) Hydrochloric acid forming the anil. (3) Alcoholic potash, with the formation of colored decomposition products. Biographical. The author of the foregoing dissertation was born at Wilkinsburg, Pa., Jan. 29., 1870. Owing to prolonged sickness in childhood his education, prior to entering college, was much interrupted, and was largely confined to instruction received at home. In the fall of 1887 he entered Wooster University (Ohio), from which institution he received the degree of Bachelor of Arts in 1891. The two following years were spent as a teacher of Sciences in the College of Emporia (Kansas). In 1893 he entered the Johns Hopkins University where he has since been a student of chemistry, with physics and mathematics as subordinate studies. In 1895 he was appointed University Scholar in Chemistry. During 1895-6 he served as lecture assistant to Prof. Remsen and Dr. Renouf in the undergraduate courses. In the spring of 1896 he was appointed Fellow for the present year.