LIST OF ILLUSTRATIONS. 595 



Page. 

 On the Present Fundamental Conceptions of Physics: Lectures by 



Dr. Franz Joseph Pisko 485 



Apparatus 493 



A Universal Meteorograph, Designed for Detached Observatories, by 



E. H. von Baumhauer 519 



Fig. 1. Krecke's metallic tlieruiometer 522 



2. Rain-gauge 527 



3. Part of instrument recording velocity of wind and quanti ty of rain . 528 

 Figs. 4,5. Registering apparatus 529,530 



Reports of American Observatories: 



Mercury, observation of, by W. R. Brooks 564 



