306 



GENERAL SCIENCE. 



venenis cane rabioso et eorum notis ac remediis; J. Ruellio 

 interprete. Fol. Parrhisiis, 1516. 



Dioscorides, Pedacius, (c,07it.). II Dioscoride del Dottor Matthioli da 

 Siena, con li suoi discorsi da esso la terza volta illustrati, et 

 copiosamente ampliati, col sesto libro de gli antidoti contra a tutti 

 i veleni. 2 vols, in 1. 4°. Venetia, 1563. 



See also Matthiolus. 



Dircks, Henry. Perpetunm Mobile ; or history of the search for Self- 

 motive Power during the 17th, 18th, and 19th centuries . . . with 

 an Introductory Essay. 12°. London, 1861. 



Second series, from the 13th to the 19th century. 



12°. London, 1870. 



Contributions towards a History of Eiectro-Metallurgy, es- 

 tablishing the Origin of the Art. 12°. London, 1863. 



A Biographical Memoir of Samuel Hartlib, Milton's familiar 



friend ; with bibliographical notices of works published by him, and 

 a reprint of his pamphlet entitled ' An Invention of Engines of 

 Motion ' [by Cressy Dymock]. 8°. London, 1865. 



The Life, Times, and Scientific Labours of the second Marquis 



of Worcester, to which is added, a reprint of his 1 Century of 

 Inventions,' 1663, with a Commentary thereon. 8°. London, 1865. 

 Large paper. 



Worcesteriana : a collection of Literary Authorities affording 



historical, biographical, and other notices relating to Edward 

 Somerset, sixth Earl and second Marquis of Worcester, and his 

 immediate family connexions. 8°. London, 1866. 



Inventors and Inventions, in three parts. 1. The Philosophy 



of Invention. 2. The Rights and Wrongs of Inventors. 3. Early 

 Inventors' Inventories of Secret Inventions. 8°. London, 1867. 



The Polytechnic College, a proposed institution for aiding 



depressed talent to complete works in progress connected with 

 Science, &c. 8°. London, 1867. 



The Policy of a Patent Law ; a paper read at the Social Science 



Congress, Bristol, supplemented by the Speeches in the Discussion. 



8°. London, 1869. 



Nature- Study, as applicable to the purposes of Poetry and 



Eloquence. Second edition. 12°. Edinburgh, 1870. 



Dirksen, E. H. Analytische Darstellung der Yariations-Rechnung ; 

 mit Anwendung derselben auf die Bestimmung des Grossten und 

 Kleinsten. 4°. Berlin, 1823. 



Disney, John. Memoirs of Thomas Brand-Hollis. 4°. London, 1808. 



See also Jebb. 



Ditte, Alfred. Recherches sur FAcide Iodique et ses principaux 

 composes metalliques. Recherches thermiques sur l'lode et 

 l'acide iodique. (Paris, Theses Eac. Sci., No. 322.) 



4°. Paris, 1870. 



