72 



Ed. Claparedc. (Mit 8 Steintafeln.) — Memoire sur les terrains liasique et keuperien de la Savoie, 

 par M. Alph. Favre. (Mit 3 Steintafeln.) — Note sur une espece de Dothidea (Hypoxylees) et sur quel- 

 ques questions de taxonomie , par M. le pasteur D u b y. (Mit 1 Steintafel.) — Recherches sur la correla- 

 tion de l'elcctricitc dynamique et des autres forces physiques , par M. L. Soret. (Troisieme Memoire.) 

 (Mit 1 Steintafel.) - — Obsei"V'ations astronomiques faites k l'observatoire de Geneve dans les annees IS.'iS 

 et 1854, par M. E. P 1 a n t a m o u r. 



Ilme Partie enthält: P^ssai d'une faunc des Myriapodes dn Mexique , avec la description de quelques 

 especes des autres parties de l'Amerique , par M. H. de S a u s s u r e. — Mesures hypsomctriques dans les 

 Alpes, effectuees ä l'aide du barometi'c, par M. P 1 a n t a m o u r. — Du genre Discostigma (Hassk.), appar- 

 tenant ä la famille des Clusiacees , par M. Ic professeur C h o i s y. — Recherches sur la figure de la Terre, 

 par M. Elie Ritter. — Memoire sur l'cchange simultane de plusieurs depeches telegraphiques entrc deux 

 statlons qui ne communiquent que par un seul fil de ligne, par M. Elie Wartmann. — Rapport sur 

 les travaux de la Societe de juillet 1859 juin 18C0, par M. le prof. F. -J. Pictet. — Bulletin biblio- 

 graphique. Liste des ouvrages reijus par la Societe pendant l'annee 1859. — Observations astronomiques 

 faites ä. robservatoire de Geneve pendant les annees 1855 — 1856, par M. E. Plantamour. 



London, The Royal Society of London. 

 Philosophical Transaction of tlie Royal Society of London. For the year 1859. Vol. 149. 

 Part L IL London 1859. 4". With Dlustrations. 



Part I. enthält : I. Researches on the Foraminifera. By William B. C a r p e n t e r, M. D. — II. De- 

 scription of some Remains of a Gigantic Land - Lizard (Megalania prisca, Owen) from Australia. By Pro- 

 fessor Owen. — III. On some Remarkable Relations which obtain among the Roots of the Four Squares 

 into which a Number may be divided, as compared with tlie corresponding Roots of certain other Num- 

 bers. By the Right Hon. Sir Frederik Pollock, Lord Chief Baron. — IV. A Sixth Mcmoir upon 

 Quantics. By Arthur C a y 1 e y , Esq. — V. On some Thermo-dynamic Properties of Solids. By J. P. 

 Joule. — VI. Ou the Thermal Effects of Compressiug Fluids. By J. P. Joule. — VII. On the Stra- 

 tificatious in Eleetrical Discharges , as observed in Torricellian and other vacua. Second Commuuication. 

 By John P. Gassiot. — VIII. On the Vertebral Characters of the Order Pterosauria , as exemplified 

 in the Genera Pterodactylus (Cuvier) and Dimorphodon (Owen). By Professor Owen. — IX. On the 

 Comparison of Hyperbolic Ares. By Charles W. Merrifield. Communicated by the Rev. Di-. Booth. 

 — X. On the Thermo-dynamic Theory of Steam - engines with dry saturated Steam , and its applicatiou 

 to practice. By William John Macquorn Rank ine. — XI. On the Double Tangeuts of a Plane 

 Curve. By A. Cayley, Esq. — XII. On the Resistance of Glass Globes and Cyliud/rs to Collapse from 

 external pressure ; and on the Tensile and Compressive Strength of various kinds of Glass. By W. F a i r - 

 bairn, Esq., and Thomas Täte, Esq. — XIII. On the Atomic Weight of Graphite. By B. C. Bro- 

 dle. — XIV. Ou the Physical Phenomena of Glaciers. Part. I. Observations ou the Mer de Glace. By 

 John Tyndall. — XV. On the Veined Structure of Glaciers; with observations upon WTiite Ice-seams, 

 Air-bubbles and Dirt-bands, and reniarks upon Glacier Theories. By J o Ii n Tyndall. — XVI. On the 

 Fossil Mammals of Australia. Part. 1. Description of a mutilated Skull of a large Marsupial Carnivore 

 (Tliylacoleo caniifex , Owen), from a calcareous conglomerate Stratum , eighty miles S. W. of Melbourne, 

 Victoria. By Professor Owen. — XVII. On Colour - Blindness. By William Pole. Communicated by 

 Charles Manby. — XVIII. On the Ova and Pseudova of Insects. By John Lubbock, Esq. — 



XIX. On the Couic of Five-pointic Contact at any point of a Plane Curve. By A. Cayley, Esq. — 



XX. The Bakerian Lecture. Researches on Organo-Metallic Bodies. Fourth Memoir. By E. Frank- 



