2 



Transactions of the American Philosophical Society, held at Phila- 

 delphia for promoting Useful Knowledge. Vol. III. Part II. 

 New Series. 4to. — The Society. 



Memorias para servir de Introduccion a la Horticultura Cubana. 

 Por D. Ramon de la Sagra. 8vo. — The Editor. 



Anales de Ciencias, Agricultura, Comercio y Artes. Tomo segundo. 

 Por Don Ramon de la Sagra. 8vo. — The Editor. 



A Short Tract on the Formation of Tumours, and the Peculiarities 

 that are met with in the Structure of those that have become 

 Cancerous; with their Mode of Treatment. By Sir Everard 

 Home, Bart. V.P.R.S. 8vo.— 77ze Author. 



A Rationale of the Laws of Cerebral Vision ; comprising the Laws of 

 Single and of Erect Vision, deduced upon the principle of Diop- 

 trics. By John Fearn, Esq. 8vo.— The Author. 



Lectures on Anatomy : interspersed with practical Remarks. Vol. II. 

 By Bransby Blake Cooper, Esq. F.R.S.— The Author. 



Cases illustrative of the efficacy of various Medicines administered 

 by Inhalation, in Pulmonary Consumption ; in certain morbid 

 states of the Trachea and Bronchial Tubes, attended with dis- 

 tressing Cough - } and in Asthma. By Sir Charles Scudamore, 

 M.D. F.R.S. 8vo. — The Author. 



Mayer's Catalogue of Stars, corrected and enlarged j together with 

 h Comparison of the Places of the greater part of them, with those 

 given by Bradley ; and a reference to every observation of every 

 Star. By Francis Baily, Esq. F.R.S. folio. — The Author. 



Supplement to an Essay on the Theory of Systems of Rays. By 

 Wm. R. Hamilton, Esq. A.R. of Ireland. 4to.— The Author. 



An Analytical System of Conic Sections. Second Edition, im- 

 proved and enlarged. By the Rev. H. P. Hamilton, M.A. F.R.S. 

 8vo. — The Author. 



The First Book of Euclid's Elements ; with alterations and familiar 

 Notes. Being an attempt to get rid of Axioms altogether $ and 

 to establish the theory of Parallel Lines, without the introduction 

 of any principle not common to other parts of the Elements. 

 Third Edition. By Lieut.-Col. T. P. Thompson, M.A. F.R.S. 

 8vo.— The Author! 



Observations, deduced from Experiment, upon the Natural Water- 

 Cements of England, and on the Artificial Cements that may be 

 used as substitutes for them. By Lieut.- Colonel C. W. Pasley. 

 F.R.S. 8vo.— The Author. 



An Answer to certain Statements contained in Mr. Neill's "Address 

 to the Members of the Wernerian Natural History Society." 

 By H. H. Cheek, Esq. 8vo.— The Author. 



The Stars, in Six Maps, laid down according to the Gnomonic Pro- 

 jection. Published under the superintendence of the Society for 

 the Diffusion of Useful Knowledge. 4to. — The Society. 



Catalogue of the Contents of the Museum of the Royal College of 

 Surgeons in London. Part IV. Fasciculus I. comprehending the 

 first division of the preparations of Natural History in Spirit, 

 4 to — The College. 



