Classified List of Papers and Notes in Vols. XI-XX. 337 



Physics, continued. 



Nipher, F. E., continued. 



[An interesting optical illusion]. 20 : xxvii 



[Application of the equations for gaseous nebulae to the plane- 

 tary system]. 14 : xxxii 



[Distortion of the magnetic field by means of explosions]. 13 : 



xxxvi 



[Electrical experiments in the study of solutions]. 20 : xxx 



[Electricity and matter]. 20 : xxix 



[Lessons to be learned from common things]. 18 : Iv 



[Methods used for measuring wind velocities]. 14 : xliv 



[Momentum effects in electric discharges]. 18 : 1 



On pressure measurements in a fluid stream. 16 : 17-32 



On the nature of the electric discharge. The one-fluid and the 



two-fluid theories. 18 : Ix, Ixii. 19 : 1-20, 57-72. pi. 1-10, 18-25. 



xxvi, xxxi. xxxiii, xxxv. 20:1-16. pi. 1-6. xxvi 



Physics during the last century. 11 : 105-123. xxxiii 



Primitive conditions in the solar nebula. 14 : 111-122 



[Problems in physics]. 14 : xlii 



[Production of ether disturbances by explosions and by the 



motion of masses of matter]. 11 : xxxvi. 12 : xix. 13 : xxix 



The law of contraction of gaseous nebulae. 13 : 143-164. xli 



The specific heat of gaseous nebulae in gravitational contrac- 

 tion. 11 : 63-70 

 [The telegraphone]. 17:1 



[The velocity and momentum of an electric current]. 18 : xxxv 



[What is an electric current?]. 17 : xxvi 



Petavel, J. E. [The ultimate limit of low temperature]. 14 : xlii 

 Pyle, L. [Measurement of the acceleration of a freely falling body]. 



18 : xxxiii 

 Roever, W. H. [The deviation of falling bodies]. 20: xxix 

 [The effect of the earth's rotation upon falling bodies]. 11 : 



xxxii 



[The optical interpretation of some problems in statics]. 18 : 



xlv 



Siebert, A. [Liquid light]. 14 : xl 



Woodward, C. M. Air-ship propeller problems. 18 : 1-10 



[Stresses in a rotating disk]. 12 : xxiii 



[Notes on the mechanical problems of aerial navigation]. 17 : 



xxxiii, xlix, 1 



[The action of an eccentric weight on a rolling wheel]. 15 : 



xxviii 



[The theory of an air propeller with haelicoidal blades]. 20 : 



xxviii 

 Physiography. 



Barck, C. [The Grand Caiion of the Colorado]. 13 : xxxix 

 Chenery, W. H. [The relation of the physiography of the Iberian 



peninsula to the development of the Spanish people]. 18 : Hi 

 Erwin, J. W. [The wonders and glories of California]. 14 : xliii 

 Mesker, F. [China and the Great Wall]. 19 : xxxi 



