Feb. 6, 1879] 



NATURE 



cix 



DIARY OF SOCIETIES. 

 London 



THURSDAY, February 6. 



ROTAL Society, at 8.30. — On Certain Dimensional Properties of Matter in 

 the Gaseous State: Pi-of. Osborne Reynolds. — Absorption of Gases by 

 Charcoal. No. 2. A New Series of Equivalents or Molecules : Dr. Angus 

 Smith. 



Chemical Society, at 8. — Discussion on Dr. Tidy's Paper on the Pro- 

 cesses for Determining the Organic Purity of Potable Waters. 



LiNNRAN Society, at 8.— Anatomy of Ants: Sir John Lubbock, Bart. — 

 Bulls-thorn Acacia (A. sfharocephaU^: R. Irwin Lynch. — Ilabits of 

 Ants, Bees, and Wasps : So- John Lubbock, Bart. — Position of the Genus 

 Seguenna among the Gastropoda : Dr. J. Gwyn JeflBreys. — Note on the 

 Genus Oudneya, Brown : Dr. Henry Trimen. 



Royal iNSTiTimoN, at 3.— Electric Induction : J. E. H. Gordon. 



London In-stitdtion, at 7. — Britain ia the Later Stone-Age : Prof. Boyd 

 Dawkins. 



FRIDAY, February 7. 



Royal IxsTrruTiON, at 9.— Bells : Rev. H. R. Haw-eis. 



Geologists' AssocLVTiOJf, at 7.30. — ^Annual Meeting. 

 SATURDAY, February 8. 



Royal Institotion, at 3. — Lessing: R. W. Macan. 



Physical Society, at 3. — ^Annual General Meeting. — On the Variation of 



the Thermal Conducti\-ity of a Rod with Temperature : Dr. O. J. Lodge. 



SUNDAY, February 9. 



Si'KDAY Lecture Society, at 4. — Fertilisation of Flowers: Lawscn Tait. 

 MONDAY, February 10. 



Royal College of Scrghoxs, at 4. — Evolution of the Vertebrata: Prof. 

 Parker. 



London Institution, at s- — Indian Home Life: Prof. Monier Williams. 



Society of- Arts, at 8. — Putrefactive Changes ; Dr. B. W. Richards:n. 



Medical Society, at 8.30. 



TUESDAY, February ii. 



An-thropologic.\l Institute, at 8.— Customs of Australian Aborigines : 

 Capt. W. E. Armit, R.N. — The Australian Abarigines: D. Macallister. 



Royal Institution, at 3. — Animal Development: Prof Schafer. 



Grssham College, at 6. — ^The Recent Solar Eclipse : Rev. E. Ledger, 



West London Scientific Association, at 8. 



WEDNESDAY, February 12. 



Royal Society of Literature, at 8. — On the History, System, and 

 Varieties crfTurlcsh Poetry ; Illustrated by Selections in the Original and 

 in English Paraphrase : J. W. Redhouse, M.R- A. S. 



Society of Arts, at 8.— -\pplication of B^semer Process to the Reduction 

 of Metallic Sulphides : J. Hollway. 



Royal College of Sitrgeoxs, at 4.— Evolution of the Vertebrata : Prof. 

 Parker. 



Royal Microscopical Society, at 8. — Annual Meeting. 



Gresham College, at 6. — Recent Solar Eclipse: Rev. E. Ledger. 

 THURSDAY, February 13. 



Royal Soceett, at 8.30. — Note on the Development of the Olfactory Nerve 

 and Olfactory Organ of Vertebrates : Dr. Milnes Marshall. — On the De- 

 velopment of the Skull and its Nerves in the Green Turtle {Clulcne 

 ntidas), with Remarks on the Segmentation seen in the Skull of Various 

 Tj-pes: Prof. Parker. 



Mathematical Society, at 8. — On a Modular Equation, on Prof. Cayley's 

 Foimula, and on the Formula for Four Abelian Functions answering to 

 the Formula for Four Thete Functions: Prof. H. J. S. Smith, F.R.S.— 

 On the Number of Conies wUdi satisfy Five Independent Conditions : M. 

 Halphen. — Construction of Magic Squares: Sir J. Cockle, F.R.S. — 

 Quaternion Proof of Minding's Theorem: J. J. Walker. — Notes on 

 Frames: Prof. Henrid, F.R.S. 



Royal Institution, at 3.— Sound: Prof . TjmdalL 



Society of Arts, at 8. — Noxious Vapours : A. G. Phillq>. 



London Institution, at 7. 



Gresham College, at 6. — Recent Solar Eclii>se: Rev. E. Ledger. 

 FRIDAY, February 14. 



Royal Institution, at 9. — November Meteors : Prof. Johnstone Stoney. 



QimKETT Microscopical Club, at 8. 



Greshaji College, at 6. — Recent Solar Eclipse : Rev. E. Ledger. 



Royal College of Surgeons, at 4. — Evolution of the Vertebrata : Prof. 

 Parker. 



SATURDAY, February 13. 



Royal iNsrrruTiON, at 3. — Lessing : R. W. Macan. 



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VcL IL, Part i, FEBRUARY, 1879, with 4 Plates, price y. 



THE JOURNAL OF THE ROYAL 

 MICROSCOPICAL SOCIETY. 



Edited, under the Direction of the Publicati'.n Committee, by FRANK 

 CRISP, LL.B., B.A., F.L.S., one of the Secretaries of the Society. 

 I. CEcistes umbella and other Rotifers. By C T. Hudson, M.A.,LL.D., 



V.P.R.KLS. 

 II. Further Inquiry into the Limits of Microscopic Vision and the Delu- 

 sive Application of Fraunhofer's Optical Law of \Tsion. By T)r. 

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 VIII. The Thallus of the Diatomacea. By F. Kitton, Hon. F.R.M.S. 



New (Auditory) Sense Organs in Insects (illustrated). — The Ovule. — The 

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 — Structure of the Nerves in the Invertebrata. — Comidia of Polyporus. — 

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