CONTEXTS. 



Chapters ik Spectrim Analysis. I. 



By \V. Marshall Watts. D.Sc. iS 



Correspondence 37 



Flora Selborniensis ... 38 



Solar Disturbances during December. 1914. 



By Frank C. Dennett. 43 



The .Amateur in Astronomy (continued). 



By \V. F. Dcnniit^. F.R..A.S. 44 



The Zoological Society. 44 



The Teeth of the Wo.mbat and the Beaver. ... 47 

 The Face of the Sky for March. 



By A. C. D. Crommelin. B.A.. D.Sc. F.R.A.S. 47 



Regeneration ... ... 48 



Notes. — 



Astronoinv. 



By A. C. D. Crommelin. B.A.. D.Sc. F.R.A.S 



Notes 'continued) : — 



Botany. By Professor F. Cavers. D.Sc. F.L.S. 51 

 Chemistry. 



.B.v C. Ainsworth Mitchell. B.A.. F.I.C. 52 



Geography By A. Scott. M.A., B.Sc 53 



Geology. By G. W. Tyrrell. A.R.C.Sc. F.G.S. 53 



Meteorology. By William Marriott, F.R. Met. Sac. 53 



Microscopy. ... By J. E. Barnard. F.R.M.S. 54 



Photography. ... ... ... By Edgar Senior. 55 



Physics. By J. H. Vincent.. M. A., D.Sc. A.R.C.Sc. 56 



Radio-.\ctivity. By .Alexander Fleck. B.Sc. 57 



Zoology. 



By Professor J. .Arthur Thomson. M.. A. . LL.D. 58 



Reviews 59 



Notices 64 



51 



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Index of Spectra 



NEiV SERIES. 



Designed to complete and bring up to date 

 the Index of Spectra and prsYious Appendices. 



Appendix V contains .\ir, .\ldebaranium. Aluminium, 

 .\lumina, Ammonia, Antimony, Argon, Arsenic, 

 Barium, BervUium, Bismuth, Boron, Bromine, 

 Cadmium, Caesium, Calcium, Carbon. Cassiopeium, 

 Cerium, Chlorine, 12s. 6d. 



Appendix W contains Chromium. Cobalt, Copper, Dys- 

 prosium, Erbium, Europium, Fluorine, and "Additions 

 and Corrections to Appendix V," I2s. 6d. 



From " Xatiire." December 11th. 1913 : — 



" ' Watts' Index of Spectra.' — Vet another 

 series of .\ppendices to this most valuable com- 

 pilation of wave-length data has been^commenced 

 bv the publication of Appendix V." " 



Po<t ^^v.• /roni the AtitJior: 



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