PRINTED FOR LONGMAN, BKOWN, AND CO, 23 



PKARSON.-I'RAYERS FOR FAMILIES: 



Consisting of a Form, short but comprehensive, for the Morning and Evening of everyday in 

 the week. Selected by the late E. PEARSON, D.D. Master of Sidney Sussex College, Cambridge. 

 To which is prefixed, a Biographical Memoir of the Editor. New Edit. 18mo. 2s. 6d. cloth. 



PEARSON.-AN INTRODUCTION TO PRACTICAL ASTRO- 



NO.MY. By the Rev. W. PEARSON, LL.D. F.R.S., &c., Rector of South Killworth, 

 Leicestershire, and Treasurer to the Astronomical Society of London. 2 vols. 4to with 

 Plates, st7. 7s. boards. 



Vol. 1 contains Tables, recently computed, for facilitating the Reduction of Celestial observa- 

 tions ; and a poi ular explanation of their Construction and Use. 



Vol. 2 contains Descriptions of the various Instruments that have been usefully employed in 

 determining the Places of the Heavenly Bodies, with an Account of the Methods of Adjusting 

 and Using them. 



PERCIYALL.-THE ANATOMY OF THE HORSE; 



Embracing the Structure of the Foot. By W. PERCIVALL, M.R.C.S. 8vo. pp. 478, \, cloth. 



PERCIVALL.-HIPPOPATHOLOGY ; 



A Systematic Treatise on the Disorders and Lameness of the Horse; with their modern and 

 most approved Methods of Cure; embracing the doctrines of the English and French 

 Veterinary Schools. By W. PERCIVALL, M.R.C.S. Veterinary Surgeon in the 1st Life Guards. 

 Vol 1, 8vo. pp. 340, 10s. 6d. boards; Vol. 2, 8vo. pp. 436, 14s. boards. 



PEREIRA.-A TREATISE ON FOOD AND DIET: 



With Observations on the Dietetical Regimen suited for Disordered States of the Digestive 

 Organs ; and an Account of the Dietaries of some of the principal Metropolitan and other 

 Establishments for Paupers, Lunatics, Criminals, Children, the Sick, &c. By JON. PEREIRA, 

 M.D. F.R.S. & L.S. Author of " Elements of Materia Medica." 8vo. 16s. cloth. 



" Invaluable to the professional, and interesting even to the general reader. It is written in that clear and racy style 

 which characterises Dr. Pereira's writings, and which possesses snch charms for those who like scientific books when 

 they are not ' too drv.' We may, in fine, pronounce it well worthy of the author of the best work on Materia Medic* 

 and Therapeutics of the age in which he lives." COEXIST. 



PHILLIPS.- AN ELEMENTARY INTRODUCTION TO MINE- 



R A LOGY; comprising a Notice of the Characters and Elements of Minerals; with Accounts 

 of the Places and Circumstances in which they are found. By WILLIAM PHILLIPS, F.L.S. 

 M.G.S., &c. 4th Edition, considerably augmented by R. ALLAN, F.R.S.E. 8vo. numerous 

 Cuts, 12s. cloth. 



PHILLIPS.-FIGURES AND DESCRIPTIONS OF THE 



PAL.EOZOIC FOSSILS of CORNWALL, DEVON, and WEST SOMERSET; observed in 

 the course of the Ordnance Geological Survey of that District. By JOHN PHILLIPS, F.R.S. 

 F.G.S. &c. Published by Order of the Lords Commissioners of H.M. Treasury. 8vo. with 

 60 Plates, comprising very numerous figures, 9s. cloth. 



PHILLIPS.-A GUIDE TO GEOLOGY. 



By JOHN PHILLIPS, F.R.S.G.S., &c. 1 vol. fcp. 8vo. with Plates, 6s. cloth. 



PHILLIPS.-A TREATISE ON GEOLOGY. 



By JOHN PHILLIPS, F.R.S.G.Sj., &c. 2 vols. fcp. 8vo. with Vignette Titles and Woodcuts, 

 12s. cloth. 



POISSON.-A TREATISE ON MECHANICS. 



By s. D. Poissox. 2d Edition. Translated from the French, and illustrated with Explanatory 

 Notes, by the Rev. Henry H. HARTE, late Fellow of Trinity College, Dublin. 2 large vols. 

 8vo. 288. boards. 



PORTER.- A TREATISE ON THE MANUFACTURE OF SILK. 



By G. R. PORTER, Esq. F. U.S. Author of " The Progress of the Nation," &c. 1 vol. 8vo. with 

 Vignette Title, and 39 Engravings on Wood, 6s. cloth. 



PORTER.- A TREATISE ON THE MANUFACTURES OF 



P( >RU I. A IN AND (il.ASS. By G. R. PORTER, Esq. F.R.S. 1 vol. fcp. 8vo. with Vignette 

 Title and 50 Woodcuts, 6s. cloth. 



