PREFACE. 



THE present Catalogue is not intended as a Bibliography of 

 Microscopical Literature. It contains a list only of Books, 

 Tracts, and Papers in my private library, exclusive of those 

 scattered through the Periodicals. It has been drawn up for my own 

 personal convenience and for that of my Scientific friends, to whom it 

 is hoped it may prove occasionally useful. 



Articles in the various serials, enumerated in the first chapter, may 

 be found by referring to such works as "A Bibliography of the Protozoa, 

 Sponges, Coelenterata, and Worms," by D'Arcy W. Thompson, 1885 "; 

 " The Zoologischer Anzeiger, by Cams" ; the "Bibliotheca Zoologica, 

 by T. V. Cams and Engelmann," with its continuation by " Dr. O. 

 Taschenberg " ; the "Zoological Record from 1864 to 1888"; the 

 publications " Jahresberichte," of the " Naples Laboratory," as also 

 "Just's Botanische Jahresberichten " ; the "Botanisches Centralblatt " ; 

 " Notarisia, by De-Toni and Levi-Morenos '' ; the "Catalogue of the 

 Royal Society of London"; and various "Berichten" on Natural 

 History Subjects, published in Germany, most of which are on my 

 shelves. 



Volume II. of this Catalogue containing the complete Bibliography 

 of the Diatomacese up to date, as well as a list of Books and Papers 

 relating to the Algse (including the Desmidieoe), is now completed in 

 MS., and will follow with little delay. 



JULIEN DEBY. 



31 Belsize Avenue, South Hampstead ; 

 August, iS8q. 



