iO 



Cincinnati. University: 



— — Publications of the Cincinnati Observatory, No 14. 

 Colmar. Natnrhistorische Gesellschaf t: 



— — Mitthcilungen; Neue Folge, Band V, 1899-1900. 



Danzig. Xaturforsch ende Gesellschat't: 



— — Schriften; Neue Folge. Band X, Heft 1. 

 Davonport. Academy of Natural Sciences: 



Proceedings, vol. Vir, -1897— 1899. 



Des Moines. Jowa Geological Survey: 



Annual Report, vol. X, 1899. 



Dorpat. Kais. livlandische gemeinniitzige Societat: 



— — Bericht liber die Ergebnisse an den Regenstationen, 1898; 1899. 

 Dresden. Naturwissenschaftlich e Gesellschaft «Isis»: 



— — Sitzungsberichte und Abhandlungen, 1899, Janner — December; 1900, 



Jjinner — Juli. 

 Dublin. Ro3'-al Irish Academy: 



— — Proceedings, series 3, vol. V, No 4, 5; vol. VI, No 1. 



— Royal Dublin Society; 

 Index for 1877—1898. 



— — Scientific Proceedings, vol. IX, part I. 



— — Scientific Transactions, vol. VII, No II — VII. 



— — The economic Proceedings, vol. I, part 1. 



— Observatorj^ of Trinity College; 



— — Astronomical Observations and Researches, part IX. 



Diirkheim. Naturwisse n schaftlicher \' ere in der Rheinpfalz «Pol- 

 lichia» : 



— — F"estschrift zur 60jahrigen Stiftungsfeier. 



— — Mittheilungen, Jahrgang LXVII, 1900, No 13. 



Easton. American Association for the Advancement of Science: 



— — Proceedings, 48. meeting held at Columbus, Ohio, 1899. 



— American Chemical Society: 



Journal, vol. XXII, No 11, 12; vol. XXIII, Nr. 1. 



Edinburgh. Mathematical Society: 



Proceedings, session 1899—1900, vol. XVIII. 



— Royal College of Physicians: 



— — Reports from the Laboratory, vol. VII. 



— Royal Society: 



Proceedings, session 1898—99, vol. XXII, No VII; session 1899- 1900. 



vol. XXIII, No I— III. 



— — Transactions, vol. XXXIX, part II — IV. 



— Scottish Natural Historj' Society: 



— — Transactions, vol. I, part I. 



