X PREFACE. 



To the Rev. AV. Walter Webb, of Middletown, Conn., we are indebted 

 for clerical aid in transcribing the Chronological Tables. 



We take pleasure also in acknowledging courtesies received from the fol- 

 lowing Librarians and Bibliographers : the late Dr. Lepsius and Dr. Pott- 

 hast, of the Imperial Library, Berlin ; Dr. Wiistenfeld and Dr. Miildener, 

 of the Uuiversit}' Library, Gottingen ; the late Mr. Bullen, of the British 

 Museum, London; the late M. Paul Billard, of the National Library, Paris;* 

 Dr. A. R. Spofford and Messrs. David Hutcheson, James C. Strout and 

 Paul Neuhaus, jof the Library of Congress; Col. Weston Flint and Mr. 

 Edward Farquhar, of the U. S. Patent Office, Washington ; the late Ad- 

 miral Rodgers, of the U. S. Naval Observatory, Washington ; Dr. John S. 

 Billings and Dr. Robert Fletcher, of the Library of the Surgeon General's 

 Office, Washington ; Mr. F. W. True, Librarian of the National Museum, 

 Washington; Mr. C. H. Darwin, Librarian of the U. S. Geological Survey; 

 Dr. Theodore Gill, of the Smithsonian Listitution; Mr. C. J. Sawyer, Libra- 

 rian of the Signal Office, Washington ; Dr. K. J. Nolan, Librarian of the 

 Academy of Natural Sciences, Philadelphia; Prof J. P. Lesley, of the 

 American Philosophical Society, Philadelphia; Dr. Frederic Vinton, Libra- 

 rian of the College of New Jersey, Princeton ; Prof. Melvil Dewey and Mr. 

 Wm. G. Baker, of Columbia College Library, New York ; the late Dr. E. R. 

 Straznicky, Mr. Robbins Little, Superintendent, and I\rr. Frederic Saunders, 

 Librarian, of the Astor Library, New York; Mr. Justin Winsor, Libra- 

 rian of Harvard University ; Mr. Appleton P. C. Griffin, of the Boston 

 Public Library; Mr. C. A. Cutter, Librarian of the Boston Athenaeum; 

 Mr. W. I. Fletcher, Librarian of Amherst College; ]\Ir. Addison Van 

 Name, Librarian of Yale College; Mr. E. C. Richardson, Librarian of the 

 Theological Institute of Connecticut, Hartford; Mr. F. B. Gay, of the 

 Watkinson Library, Hartford ; and many others. 



Thanks are also due to the Librarians Avho furnished the data for the 

 Library Check-List. 



Finally, the compiler asks the forbearance of bibliographers in this his 

 first undertaking, and begs leave to remind them of the words of Baron de 

 Reiffenberg: — "Cexix qui ne se trompent jamais so)it ceiix qui nefontrien." 

 Comnmnications and corrections addressed to the compiler, care of the 

 Smithsonian Institution, will be thankfullv acknowledged. 



H. C. B. 



Trinity College, Hartfokd, Connecticut, 

 April, 1885. 



