June I, 1879] 



NATURE 



xlv 



DIARY OF SOCIETIES. 



London 



THURSDAY, Juxa 5. 



Chemical Society, at 8.— On Kardcnine; Dr. Stenhcuse and Mr. Groves. 

 —On the Theory of Fractional Distillation: F, D. Brown. — On the Action 

 of Organo-2inc Compounds on Quinones : F R. Yapp. — On Chlorstannic 

 Acid; J. W. Mallet, F.R.S.— On Indigo-Purpurin and Indi-Rupin : E. 

 Schunck, F.R.S.— I'hird Report to the Chemical Society on some Points 

 in Chemical D^-nanucs: Dr. Wright. Mr. Luff, and Air. Rennie. 



Royal Institution, at 3.— Study of History : Prof. Seeley. 



LiNNEAN Society, at 8.— Ferns of Northern India : C. B. Clarke— Struc- 

 ture and Development, Skull of Urodelous Amphibia: Prcf. W. K. 

 Parker.— Lichens of English Polar Expedition, 1875-76 : Prcf. Th. M. 

 Fries, of Upsa'x— Mollusca of C^rt//«/^^r Expedition, Part IV. : Rev. R. 

 Boog Watson. 



Zoological Gardens, at 4.— Snakes : Prof, Huxley. 



FRIDAY, June 6. 

 Royal Institution, at g.— Spectroscopic Investigation: Prof. Dcwar. 

 Geologists* Association, at 8. 



SATURDAY^ June 7. 

 RoYAi. Institution, at 3. — Prof. Morley. 



MONDAY, June 9. 



Royal Geographical Society, at 8.30.— The Flora of the European Alps, 

 .ind its Connection with that of other Regions of the Earth ; J. Ball, F.R.S. 

 TUESDAY^ June 10. 



Royal Institution, at 3.- German Literature : Prof. Hillcbrand. 



Anthropological Institute, at 8.— Notes on some Cornish and Irish Pre- 

 historic Monuments: Miss A. W. Buckland. — Some Facts about Japan 

 and its People, &c. : C. Pfoundes. 



Horticultural Society, at i.— Scientific Committee. 



West London Scientific Association, at 8. 



WEDNESDAY, June it. 



Geological Society, at 8. — On a ilammaiiferous Deposit at Barrington, 

 near Cambridge: Rev. O. Fisher, M.A. — The Pre-Cambrian Rocks of 

 .Shropshire, Part 1 : C. Callaway, D.Sc. Lond. — The Formation of Rock- 

 Basins: J. D. Kendall, C.E. — On the Occurrence of a Remarkable and 

 apparently New Mineral in the Recks of Inverness-shire : W, Jolly, 

 F.R.S. E. and J. M. Cameron. Communicated by Prof. J. W. Judd, 

 F.R. S. — Further Discoveries in the Crcsswell Caves: Prof. W. Boyd 

 Dawkins, M.A, F.R.S., and the Rev. J. M. Mello, M. A., with Notes on 

 the Mammalia by the former. — On the Probable Temperature of the Pri- 

 mordial Ocean of our Globe: R. Mallet, F.R.S. — On Lepidodiscus 

 Leboun\ a New Species of Agelacrinites from the Carboniferous Series 

 of Northumberland : W. Percy Sladen. 



Royal Microscopical Society, at 8. — New Method of Correcting Spheri- 

 cal Aberration : Prof. Abbe.— Prof. Abbe will also Exhibit his Apparatus 

 for Demonstrating on a large Scale the Fundamental Experiment of the 

 Theory of Microscopic Vision. — Note on Prof. Abbe's Apertometer : F. H. 

 Wenham.— On the 'I heory of Illuminating Apparatus Employed with the 

 Microscope : Dr. Fripp. 



THURSDAY, June 12. 



Royal Society, at 4. 



Mathematical Society, at 8. — Notes on (i) the Momenta! Plane ; (3) a 

 Property of Plane Curves ; (3) a Prize Question of the Belgian Academy 

 of Sciences: J. J, Walker. — Note on Determinants of « Dimensions: 

 Lloyd Tanner. — Cases of Polygonal Inscription in a Circle : Rev, Dr. 

 Freeth, 



Royal Institution, at 3.— German Literature : Prof. Hillebrand. 



Zoological Society, at 4. — Nocturnal Animals: Dr. Murie. 

 FRIDAY, June 13. 



Royal Institution, at 9. — The Thunderer Gun' Explosion: F. J,;^Bram 

 wcU. 



QuEKETT Microscopical Club, at 8. 



SATURDAY, June 14. 



Physical Society, at 3 — On the Suppression of the Induction Disturbance 

 of the Telephone : Prof. H. McLeod. — On the Sensitive State of Electric 

 Discharges through Rarefied Media ; W. Spottiswoodc and J. F. Moulton. 

 —On a New Measuring Polariscope: Prof. W. G. Adams. 



Geologists' Association,— Excujfsion to Sevenoaks and Tunbridge. 



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