SKETCH OF HENRY CARRINGTON BOLTON. 693 



New York Academy of Sciences, 1888. The Likenesses of Joseph 

 Priestley in Oil, Ink, Marble, and Metal, Transactions of the New 

 York Academy of Sciences, 1888. The Contributions of Alchemy 

 to Numismatics, American Journal of Numismatics, 1890. Prog- 

 ress of Chemistry as depicted in Apparatus and Laboratories, 

 Transactions of the New York Academy of Sciences, 1893. An 

 Account of the Progress of Chemistry for the Years 1882, to 1886, 

 prepared annually for the Smithsonian Institution, 1882-'87. The 

 last four contain bibliographies for their respective years. 



Dr. Bolton's interest in the history of chemistry took practical 

 shape in 1874, when he originated and organized the Centennial 

 Celebration of the Discovery of Oxygen by Dr. Joseph Priestley, 

 held August 1st at Northumberland, Pa. ; on this occasion seventy 

 chemists from all parts of the United States and Canada assem- 

 bled around Priestley's grave to do him honor. The proceedings 

 at this memorable gathering were printed in full in the American 

 Chemist (1875). The acquaintances formed at this meeting with 

 the descendants of Dr. Priestley were continued by Dr. Bolton, 

 and through them he eventually secured a number of unpublished 

 letters of the distinguished chemist ; these letters he edited and 

 published in a volume bearing the title : Scientific Correspondence 

 of Joseph Priestley ; New York, privately printed, 1892. 



In 1882 a casual visit to the so-called "singing beach," at 

 Manchester-by-the-Sea, Mass., made him acquainted with the pe- 

 culiar natural phenomenon of musical sand, and, finding its study 

 had been almost wholly neglected, he began an investigation 

 which eventually led him to make journeys aggregating thirty- 

 three thousand miles in search of sand having musical properties. 

 Early in the research he secured the assistance of Dr. Alexis A. 

 Julien, of Columbia College, to whose skill with the microscope 

 he is greatly indebted. Jointly with Dr. Julien he has published 

 several abstracts of papers on Musical Sand (Proceedings of the 

 American Association for the Advancement of Science, and Trans- 

 actions of the New York Academy of Sciences), which have been 

 widely noticed in current literature. 



The following papers, on topics of very wide range, can not be 

 classified more narrowly. 



Sundry Scientific and Literary. — Magic Squares, their History, 

 Preparation and Properties (six papers), Acta Columbiana, 1874. 

 The Log-book of the Savannah, Harper's Magazine, 1877. Le- 

 gends of Sepulchral and Perpetual Lamps, Monthly Journal of 

 Science, London, 1879. Microscopic Crystals in Vertebrae of 

 Toads, Proceedings of the American Association for the Advance- 

 ment of Science, 1880. A Handy Multiplication Table, American 

 Teacher, 1885. The Life and Writings of Elisha North, M. D., 

 Transactions of the Connecticut Medical Society, 1887. Scientific 



