HENKY SOTUEKAN & CO., 140, STRAND, W.C., and 43, PICCADILLY, W. 55» 



11259 MACVICAB (John Gibson, ll.d., d.d., Minister of Moffat) The First Lines of 



Morphology and Organic Development, Geometrically considered, 8vo. (pp. 15), ^ct^^n, 



2* [Edin., 18611 



11260 On the FORMS and Structure of the Atoms and Molecules of Bodies, with diagrams, 



8vo. (pp. 15), sewn, 3« Qd [ibidem, c. 1875}. 



All ingenious paper (but devoid of all experimental proof), on molecular structure. 



11261 Inquiries concerning the Medium of Light and the FoRxM of its Molecules, with 



folding front., 8vo. boards, tvith author's inscr. to P. M. Boget, M.D., F.R.S., and the latter's auto, 

 {scarce), \Qs%d ib., 183» 



In order to explain the optical phenomena vhich were difficult or impossible to account for on the corpuscular theory, 

 the author assumes light to consist of molecules with a crystalline structure emitted fiom the liuninous body and to- 

 ti-avel in groups. 



11262 The NORMAL Products of Hepatic Action, Part II,8vo. (pp. 15), sewn, 2s [ib., 1871J 



11263 On the Structural Relation between Urea and Uric Acid, «vo. (pp. 8),seivn, 2s 



[ib., 1870] 



11264 MADDISON (Isabel; Bryn Mawr Coll.) On Certain Factors of the c- and;?- Discriminants,. 

 and their Relation to Fixed Points on the Family of Curves, with folding plate, 8vo. (pp. 15), sewn, 

 \s ' 1892: 



11265 On Singular Solutions of Differential Equations of the First Order in Two 



Variables, and the Geometrical Properties of certain Invariants and Covariantsof their complete 

 Primitives, with 2 folding plates, 8vo. (pp. 64), sewn, 2s 189& 



1126G MADDY (Watkin, ;jr., ,S^^ John's Coll., Cantab.) The Elements of the Theory of Plane. 

 A.stronomy, new [last] Edition, greatly enlarged by John Hymers, d.d., f.r.s., with 4 folding 

 plates, 8vo. boards (scarce), 6s Cambridge, 1832: 



' An excellent work.' — Afiss Agna M. Clerhe. 



11267 MADLER (Johann Heinrich; Univ. Dorpat) Kurzgkfasste Beschreip>ung des Mondes :. 

 ein Auszug aus der grosseren Selenographie ; with folding plate, roy. 8vo. sewn, uncut, 3a Qd 



Berlin, 183» 



11268 MADRAS OBSERVATORY: Results of Observations of the Fixed Stars made with 

 the Mkridian Circle at the Government Observatory, Madras, edited by Norman Robert- 

 POGSON and C. MiCHiE Smith, ff.r.a.s., Vols. I-IX (Observations 1862 87, and General. 

 Catalogue), 8 vols. 4to. and 1 vol. roy. 4to. cl., £1. 5* Madras, 1887-99' 



As an observer only one or two contemporaries could equal Poison. In all he discovered nine minor planets betweern 

 Mars and Jupiter, and twenty-one new variable stars.'— />A'.£. 



11269 ' in the Years 1862-4 (Vol. I), 4to. cl, bs ibidem, 1887' 



11270 1883-7 (Vol. VIII), 4to. c/.,4s ib., 1894r 



11271 General Catalogue (Vol. IX), roy. 4 to. cl , Is Qd ib., 189» 



: General Catalogue of the Principal Fixed Stars, 1830-43- v. Taylor (T. ii.)post.. 



11272 MAGELLAN \sioe MAGALHAENS] (Joao Hyazinthe, f.r.s.) Collection de Differens- 

 Traites sur des Instrumens d'.4sTR0N0MlE, PHYSKiUE, etc.; I. Nouveaux Instrumens Circu- 

 laires a Reflection. II. (^uadrans Astronomiques Mobiles. III. NouVEAUX Barometres Port- 

 ables et ceux a grande Echelle, etc. IV. Essai sur le Feu Elementaire, et sur la Chaleur des Corps, 

 avec la Description des NouvEAUX Thermomictres. V. Instrumens ordonnes par la Cour- 

 d'Espagne. VI. Nouveau Remede de Mr. Mudge pour la Toux; with ii folding plates, 4to. sounds 

 copy in contemporary tree-calf (rare), £1. I5 Londres, W. Richardson, 1780* 



' He devoted his last years to perfecting the construction of scientific instruments for .scientific observation, such as- 

 thermometers and barometers, etc.'— />. S. B. 



11273 Description of a (iLASS Apparatus, for making Mineral Waters, like those of 



Pyrmont, Spa, Seltzer, etc , in a few Minutes, and a very little Expence, with Description of some- 

 New Eudiometers, or Instruments for ascertaining the Wholsomeness of Respirable Air, and: 

 the Method of u.sing them, first edition, with front., 8vo. (pp. 55), seicn, Is 6d HIT 



11274 Another Copy, original paper cover, uncut, with inscr. (as beloiv), 9* 



' Pour la Bibliotheque de Son Alt<^ S"'<^ le Due d'Arenberg de la i)art de I'auteur.' — luxcr. on covir. 

 Magellan's eudiometer is based 01. Dr. Priestley's suj^gestion to use nitric oxide for ascertaining the amount of oxygeik 

 contained in gases and in the atmosphere. , 



11275 Description des Octants et Sextants Anglois, ou Quarts de Cercle a Reflection, 



avec la Maniere de se servirde ces Instrumens, pour prendre toutes Sortesde Distances Angulaires, 

 tant sur Mer que sur Terre, avec Memoire sur une Nouvelle Construction de ces Instrumens, et 

 Appendix, contenant la Description et les Avantages d'un Double-Sextant nouveau ; wifh 3^ 

 folding plates, 4to. hf. roan (scarce), \5s 177/>- 



' His book on Eiipli.sh reflecting instruments, published in 17'7'i, was declared by Lalande to be the most complete- 

 work on the .subject at that period.'— />. X. B. 



11276 MAGUIBE (William R.) Domestic Sanitary Drainage and Plumbing: Lectures on 

 Practical Sanitation delivered at the Central Technical Institution, South Kensington, icith 283- 

 woodcuts, 8vo. cl., As 6d (p. 12*) 1890- 



11277 MAHAN (Dennis Hart) Elementary Course of Civil Engineering, edited by Peter 

 Barlow, f.r.s., unth 15 plates, 4to. hf. bound (joints broken), Ss 6d Glasgow, 1838- 



11278 Another Copy, cl., 4s Qd 



This work is quite ditterent from the one below. The above is the last edition of the original ' Elementarj' Course.' 



11279 Elementary Course of Civil Engineering, 6th Edition, with laige Addenda, vith 



numero2is woodcuts, Svo. cl., or, hf. morocco, 4s (p. I85) Net'- York, 1864 or '.52 



' Mahan's and Millington's books on civil engineering sre unequalled; in fact they are the most valuable works on thft- 

 subject in the English language.'— ^//i!;o;ie. 



MAHON (Viscount) Principles of Electricity (1779)— v. Stanhope (Charles 3rd Earl),. 

 post, et Xo. 4558, ante. 



