^ XVIII - 



On Formulse of Verification in the Partition of Numbers. By J. 

 W. L. GlaisJier. 



On the Development and Succession of the Poison-fangs of Snakes. 

 By Charles S. Tomes. 



On an Integrating Machine having a New Kinematic Principle. By 

 Prof. James Thomson. 



On an Instrument for calcnlating ( f ? (x) <]; {x) dx), the Integrai of 

 the Product of two given Fnnctions. By Prof. Sir W. Thomson. 



Mechanical Integration of the Linear Diflferential Eqnations of the 

 Second Order with Variable Coefficients. By Prof. Sir W. 

 Thomson. 



Mechanical Integration of the general Linear Differential Equation 

 of any Order with Variable Coefficients. By Prof. Sir Wil- 

 liam Thomson. 



On Repulsion resnlting from Radiation. — Part III. By William, 

 GrooJces. 



On Repulsion resnlting from Radiation. — Part IV. By William 

 OrooJces. 



Report of the Meteorological Committee to the President and 

 Council of the Royal Society on the Work done in the Me- 

 teorological Office siuce their appointment in 1866 to De- 

 cember 31, 1875. 



On the Structure, Physiology, and Development of Antedon (Co- 

 matula, Lamk.) rosaceus. By William B. Carpenter, 



On the Variations of the Daily Mean Horizontal Force of the 

 Earth's Magnetism produced by the Sun's Rotation and the 

 Moon's Synodical and Tropical Revolutions. By J. A. Broun. 



Results of the Monthly Observations of Magnetic Dip, Horizontal 

 Force, and Declination made at the Kew Observatory from 

 Aprii 1869 to March 1875 inclusive. By the Kew Committee. 



Contributions to the Minute Anatomy of the Thyroid Gland of the 

 Dog. By E. Cresswell Baher. 



Research on the Minute Anatomy of the Alimentary Canal. By 

 Herbert A. Watney. 



Rescarches upon the Specific Volumes of Liquids. — II. By T. E. 

 Thorpe. 



Researches upon the Specific Volumes of Liquids. — III. By T. E. 

 Thorpe. 



Experimental Contributions to the Theory of Electrolysis. By Al- 

 fred Tribc. 



