GENERAL SCIENCE. 



483 



Harcourt, Leveson Francis Vernon. A Treatise on Rivers and Canals 

 relating to the control and improvement of rivers, and the design, 

 construction, and development of canals. 2 vols. 8°. Oxford, 1882. 

 Vol. 1. Text. Vol. 2. Plates. 



Harder, Joh. Jacob. Apiarium, Observationibus Medicis centum ac 

 physicis experimentis plnrimis referfcum ; cum responsione ad 

 invectivam Joh. Baptist, de Lampsweerde. 4°. Basilece, 1687. 



et Peierus, J". G. Pseonis et Pythagora3 Exercitationes Anatomic^ 



et Medicas familiares bis L. 8°. Basilese, 1682. 



Harding', Carolus Ludovicus. Atlas Novus Coelestis xxvn tabulis 

 continens Stellas inter polnm borealem et trigesimum gradum 

 declinationis anstralis adhuc observatas. Eol. Grottingge, 1822. 



[Hardy, Claude.'] Examen de la Duplication du Cube et Quadrature 

 du Cercle, ci-devant publiee a diverses fois par le sieur de la Leu. 



4°. Paris, 1630. 



Hardy, Peter. The Doctrine of Simple and Compound Interest, 

 Annuities, and Reversions, analytically and practically explained, 

 with new and extensive tables. 8°. London, 1839. 



A new and general Notation for Life Contingencies. 



8°. London, 1840. 



■ On Methods of Approximation. 8°. London, 1850. 



On the Values of Annuities, which are to pay certain given 



rates of interest on the purchase money during the whole term of 

 their continuance, and to replace their original values on their 

 expiration at certain other given rates. 8°. London, 1850. 



An Expose of the Fallacy, ' That it is just to tax temporary An- 

 nuities at the same rate as perpetual Annuities.' 8°. London, 1853. 



Hare, 'Robert. Experimental Observations and Improvements in 

 Apparatus and Manipulation ; with theoretical suggestions 

 respecting the causes of Tornadoes, Falling Stars, and the Aurora 

 Borealis. 4°. Philadelphia, 1836. 



— Objections to the Nomenclature of the celebrated Berzelius, 

 with suggestions respecting a substitute. 8°. Philadelphia, 1840. 



Of the conclusion arrived at by a Committee of the Academy of 



Sciences of France, agreeably to which Tornados are caused by 

 Heat; while agreeably to Peltier's Report to the same body, 

 certain insurers had been obliged to pay for a Tornado as an 

 Electrical Storm. . . . Second edition. 8°. Philadelphia, 1852. 



The Whirlwind Theory of Storms. 8°. 



Hare, Thomas. A view of the Structure, Functions, and Disorders of 

 the Stomach, and Alimentary Organs of the Human Body ; with 

 physiological observations upon the qualities and effects of food 

 and fermented liquors. 8°. London, 1821. 



Haretu, Spiru C. These de Mecanique Celeste : Sur l'invariabilite 

 des grands Axes des Orbites Plane taires. (Paris, Theses Fac. 

 Sci., No. 399.) 4°, Paris, 1878. 



