HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 691 



13305 Q.UETELET (Lambert Adolphe Jacques; Brussels Observatory; F.R.S.) MEMOIRE, et 



DEUXIEME MEMOIRE, sur les VARIATIONS DIURNE et ANNUELLE de la TEMPERATURE, et en 



particulier de la Temperature Terrestre a difterentes Profondeurs, d'apres les Observations faites 



a 1'Observatoire de Bruxelles, with 3 charts (2 folding], 2 parts 4to. (pp. 132), seiun, 5s 



[Bruxelles, 1836J-40 

 The second memoir contains the author's formula on the variation of the Earth's temperature. 



13806 DEUXIEME MEMOIRE sur les VARIATIONS ANNUELLES de la TEMPERATURE de la TERRE 



a differentes PROFONDEURS ; with 2 charts (one folding], 4to. (pp. 52), sewn, Is 6d ibidem, 1840 



13807 [ ] OBSERVATIONS des PHENOMENES PERIODIQUES, 4to. (pp. 64), sewn, 3s [ib., 1849J 



13808 RESUME des OBSERVATIONS sur la METEOROLOGIE, sur le Magnetisme, sur les Temp- 

 eratures de la Terre, etc. faites a 1'Observatoire Royal de Bruxelles en 1840, 4to. (pp. 78), sewn. 

 3s Qd ib., 1841 



13809 ANOTHER Copy, sewn, with author's inscr., 4s 



Including ' Comparaisons barometriques faites a Bruxelles et dans le Nord de 1'Europe, par A. Bravais et Ch. Martins.' 



13810 SECOND MEMOIRE sur le MAGNETISMS TERRESTRE en ITALIE ; with map, 4to. (pp. 27), 



sewn, with author's inscr., 3* ib., 1840 



13811 THEORIE des PROBABILITIES ; with portrait of Laplace, fcap. 8vo. sewn (scarce], 3s 6d 



ib. [1853, 



This valuable little volume was one of the publications of the 'Societe pour 1'E mancipation intellectuelie ' an 

 offspring of the Broughamian 'Society for the Diffusion of Useful Knowledge '. 



13312 QUINCKE (Georg- Hermann ; Univ. Heidelberg) Ueber die BESTIMMUNG des BRECHUNGS- 



EXPONENTEN mit totaler Reflexion, 4to. (pp. 8), sewn, Is Qd Halle, 1879 



13813 _ Ueber FREIWILLIGE BILDUNG von HOHLEN BLASEN, Schaum und Myelinformen durch 



olsaure Alkalien und ver \vandte Erscheinungen, besonders des Protaplasmas ; with plate, 8vo. 



(pp. 40), sewn, 2s Leipzig, 1894 



13814 ti.ber die KLARUNG TRUBER LOSUNGEN, roy. 8vo. (pp. 8), sewn, Is Qd [Heidelberg, 1901] 



13815 MODERNS KRITIK der MESSUNGEN der CAPILLARITATSCONSTANTEN von FLUSSIG- 



KEITEN und die specifische Cohesion geschmolzener Metalle, 8vo. (pp. 14), sewn, Is 6d Leipzig, 1897 



13816 Ueber ROTATIONEN im CONSTANTEN ELEKTRISCHEN FELDE ; with folding plate, 8vo. 



(pp. 70), sewn, 2.s ' ibidem, 1896 



13817 Uber UNSICHTBARE FLUSSIGKEITSSCHICHTEN und die Oberflachenspannung fliissiger 



Niederschliige bei Niederschlags^iembranen, Zellen, Colloiden und Gallerten, impl. 8vo. (pp. 17), 

 sewn, Is Qd [Berlin,] 1901 



The author's experiments on surface tension are of great importance. 



13818 BAABE (Joseph Ludwig; Univ. Zurich) Die DIFFERENZIAL- und INTEGRALRECHNUNG, mit 

 Functionen einer Variabeln, 3 vols. Svo. calf, 6s 6d (p. M. 30 sewn) Zurich, 1839-47 



13819 Ueber die INTEGRATION zweier simultan bestehenden LINEAREN DIFFERENZIALGLEICH- 



UNGEN zwischen n Variabeln, 8vo. (pp. 8), sewn, Is 6d ibidem, 1856 



13820 B.ADAU (Bodolphe) RECHERCHES MODERNES sur la CONDUCTIBILITE CALORIFIQUE, Svo. 

 (pp. 15), sewn, Is Qd [1862] 



13821 BADCLIFFE OBSEBVATOBY, Oxford, ASTRONOMICAL and METEOROLOGICAL OBSERV- 

 ATIONS at the, under the Direction of EDWARD JAMES STONE, F.R.S., from 1885 to 1887 and 1890 

 to 1910 (Vols. 43-5 and 47-50), 7 vols. roy. Svo. sprinkled calf gilt (backs of 3 vv. rubbed), with 

 armorial bookplate of Sir W. R. Anson, Warden of All Souls, M.P., 1. Is " Oxford, 1885-1910 



13822 : CATALOGUE of 6424 STARS for the Epoch 1890, formed from Observations during 



1880-93, under the Superintendence of EDWARD JAMES STONE, F.R.S. : CATALOGUE of 1772 STARS, 

 chiefly within the Zone 85 90 N.P.D., for the Epoch 1900, from Observations during 1894-1903, 

 under the Direction of ARTHUR A. RAMBAUT, F.R.S. 2 vols. 4to. sprinkled calf gilt, with armorial 

 bookplate of Sir William Anson, 15s ibidem, 1894-1906 



13823 BADCLIFFE (Lionel Guy), and Frank Sturdy SINN ATT, FF.C.S. : SYSTEMATIC CdURSE 

 of PRACTICAL ORGANIC CHEMISTRY, printed on one side only, Svo. cl. (cover lightly soiled), 2s (p. 

 4s6rf) 1905 



13824 BADICKE (F. W. Gustav; Univ. Bonn) HANDBUCH der OPTIK, mit besonderer Riicksicht 

 auf die neuesten Fortschritte der Wissenschaft ; with 9 folding plates (one coloured), 2 vols. Svo. 

 hf. calf gilt, with auto, of Prof. J. Bosscha, 4s Berlin, 1839 



13825 BADIOLOGY : PREMIER CONGRES INTERNATIONAL pour I'ETUDE de la RADIOLOGIE et de 

 I'loNisATiON, tenu a LIEGE du 12 an 14 Septembre 1905 : COMPTES RENDUS [SECTION PHYSIQUE] ; 

 with numerous illustrations, roy. Svo. cl., 7s Qd 1906 



Containing contributions by C. Barus, H. Dufour, H. Geiger, Sir W. Huggiris, Sir W. Ramsay, A. Righi, and many others. 



13826 AUTRE EDITION; avec SECTION BIOLOGIQUE; with numerous further illustrations of 



experiments and therapeutic results, roy. Svo. boards, 10s Qd (p. F. 17.50 nett sewn) Bruxelles [ 1 905] 



The further contributors include MM. Contrernoulins, R. Dubois, O. Lassar, J. Butler Burke, William H. Dieffenbach, 

 and others. 



13S27 BAEDTS (Willem, Maestrichter] PRACTYCKE om lichtelijc te leeren VISIEREN alle VATEN 

 metter WISSELROEDE, van nieus ouersien, ende in veel plaetsen verbetert, ende met seer profyte- 

 lijcke aenvvysinghen vermeerdert, ende verciert : DoorMlCHiELCoiGNET ; printed in trottitc letter ; 

 with fine woodcut on title of gaugers at work, and numerous diagrams, 18mo. vellum (title slightly 

 soiled, otherwise A FINE COPY) ; very rare, 1. 15s Thantwerpen, by Hendrick Hendricksen, 1580 

 A very rare work, unknown to Poggendorft', Brunet, Graesse, and other bibliographers. Nothing seems to be known of 

 the author. The editor was mathematician to Albert Duke of Brabant. The work contains instructions to make 

 gauging rods. 



13828 BAFTEB (George W., C.E.), and Moses Nelson BAKEB, editor of ' Engineering News ' : 

 SEWAGE DISPOSAL in theUNiTED STATES, with 1 plates (6 folding], and IIQ woodcuts and diaarams, 

 impl. Svo. cl. (loose in cover), 9s (p. 1. 4s) New York, 1894 



