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On tlie Anatomy oi Balc&noptera rostrata, Fab. By Alexander Carte^M.A.. 

 M.D., F.R.O.S.L, r.L.S., M.E.I.A., &c., and Alexander Macalister, M.D., 

 L.R.C.S.I., Demonstrator of Anatomy, Royal College of Sm'geons, Ire- 

 land, &c 64 



On tlie Distribution of tbe Fibres in tlie Muscular Tunics of tbe Stomacb in 

 Man and other Mammalia. By James Bell Pettigrew, M.D 65 



On a Self-acting Apparatus for multiplying and maintaining Electric Charges, 

 ■with, applications to illustrate the Voltaic Theory. By Sir W. Thomson, 

 F.R.S 67 



Note on the Calculus of Chemical Operations. By Professor Williamson. 72 



Inferences and Suggestions in Cosmical and Geological Philosophy. — Second 

 Series. — On the Luminous Atmosphere of the Sun, exterior to the Pho- 

 tosphere ; and on the Probability that the Monochromatic Spectra from 

 which Mr. Huggins has inferred the Gaseous Constitution of certain 

 Nebulse, are due in reality to the Luminous Atmospheres of their consti- 

 tuent Stars or Suns. By E. W. Brayley, F.R.S., F.R.A.S., Professor of 

 Physical Geography and Meteorology in the London Institution 72 



On the Colouring and Extractive Matters of Urine. — Part I. By Edward 

 Schunck, F.E.S 73 



On the Colouring and Extractive Matters of Urine. — ^Part IT. By Edward 

 Schunck, F.E.S 126 



On a Crystalline Fatty Acid from Human LTrine. By Edward Schunck^ ' 

 F.E.S = 135 



On Oxalm-ate of Ammonia as a Constituent of Human Urine. By Edward 

 Schunck, F.E.S 140 



On a New Class of Bodies Homologous to Hydrocyanic Acid. — 1. By A. 

 W. Hofmann, LL.D., F.E.S. . , .\ 144 



On a New Series of Bodies Homologous to Hydrocyanic Acid. — H. Bv A. 

 W. Hofmann, LL.D., F.E.S ... 148 



On a New Series of Bodies Homologous to Hydrocyanic Acid. — III. By 

 A. "W. Hofmann, LL.D., F.E.S 150 



Second Supplementary Paper on the Calculation of the Numerical Value of 

 Euler's Constant. By William Shanks, Houghton-le-Spring, Dm-ham. . 154 



Addition to Memoir on the Eesultant of a System of Two Equations. By 

 A. Cayley, F.E.S 166 



Contributions to the History of Methylic Aldehyde. By A. W. Eoftnann, 

 LL.D., F.E.S 156 



On the New Eeflecting Telescope to be used at Melboimie, Australia. By 

 the Eev. Dr. Eobinsou, F.E.S 159 



Copy of a Despatch addressed to Her Majesty's Secretary of State for Foreign 

 Affairs by the British Consul at Canea, Crete, giving an account of an 

 Earthquake which took place in that Island 162 



