Pane 



A further Note on the Influence of Bile and its Constituents on 

 Pancreatic Digestion. By Sidney Martin, M.D., Pathologist to the 

 Middlesex Hospital, British Medical Association Research Scholar, 

 and Dawson Williams, M.D., Assistant Physician to the East London 

 Hospital for Children, Shad well 160 



On the Spectra of Comet a 1890 and the Nebula G.C. 4058. By J. 

 Norman Lockyer, F.R.S 1^5 



List of Presents.... 165 



On the Chief Line in the Spectrum of the Nebulae. By J. Norman 

 Lockyer, F.RS ; 167 



Note on the Spectrum of the Nebula of Orion. By J. Norman Lockyer, 

 F.RS 198 



Preliminary Note on Photographs of the Spectrum of the Nebula in 

 Orion. By J. Norman Lockyer, F.RS 199 



No. 294. 



On a Re-determination of the Principal Line in the Spectrum of the 

 Nebula in Orion, and on the Character of the Line. By William 

 Huggins, QjC.lH LL.D., F.R.S., and Mrs. Huggins ................................ 202 



Note on the Photographic Spectrum of the Great Nebula in Orion. By 

 William Huggins, D.C.L., LL.D., F.R.S., and Mrs. Huggins ................ 2ia 



On a new Group of Lines in the Photographic Spectrum of Sirius. By 

 William Huggins, D.C.L., LL.D., F.R.S., and Mrs. Huggins ................ 216 



On the Spectra of Comet a 1890 and the Nebula G.C. 4058. By J. 

 Norman Lockyer, F.RS ................................................................................. 217 



June 19, 1890. 



On the Determination of some Boiling and Freezing Points by means 

 of the Platinum Thermometer. By E. H. Griffiths, M.A., Sidney 

 Sussex College, Cambridge 220 



On the Alleged Slipping at the Boundary of a Liquid in Motion. By 

 W. C. Dampier Whetham, B.A., Coutts Trotter Student of Trinity 

 College, Cambridge 225 



Re-determination of the True Weight of a Cubic Inch of Distilled 

 Water. By H. J. Chaiiey 23O 



On Wind Pressure upon an Inclined Surface. By W. H. Dines, B.A 233 



On the Action of Oils on the Motions of Camphor on the Surface of 

 Water. By Charles Tomlinson, F.RS 258 



On the Plasticity of an Ice Crystal. (Preliminary Note.) By James 

 C. McConnel, M.A 259- 



Preliminary Note on a New Magnetometer. By Professor W. Stroud, 

 D.Sc. . 260- 



