OPP] 



548 



[ORL 



Frankf. a. M. Phys. Ver. Jber. (1863-64), pp. 

 61-63. 



Oppel, Johann Joseph. 38. Ueber eine bei 

 gewohnlichem Gaslichte sichtbare Fluorescenz- 

 erscheinung. Frankf. a. M. Phys. Ver. Jber. 

 (1863-64), pp. 63-66. 



39. Eine akustische Beobachtung bei 



Eisenbahnen. Fraukf. a. M. Phys. Ver. Jber. 

 (1863-64), pp. 66-68. 



40. Ein dioptrisches Fernrohr, welches 

 die Objekte aufrecht oder verkehrt zeigt, je 

 nachdern man es um seine Axe dreht. Frankf. 

 a. M. Phys. Ver. Jber. (1863-64), pp. 69-70. 



41. Die harmonischen Obertone des durch 



parallele Wande erregten Reflexionstones. 

 Frankf. a. M. Phys. Ver. Jber. (1863-64), pp. 

 70-72. 



42. Ueber chromatische Tauschungen, 



den relativen Werth der Farberibezeichnungen 

 und das Zustandekommen unserer Farben- 

 wahrnehmung iiberhaupt. Frankf. a. M. Phys. 

 Ver. Jber. (1869-70), pp. 96-105. 



43. Ein elliptischer Mondhof. Frankf. 



a. M. Phys. Ver. Jber. (1869-70), pp. 107-108. 

 44. Neue Entscheidungsversuche iiber 



das Zustandekommen einer Tonemptindung, ins- 

 besondere iiber das absolute Minimum der dazu 

 erforderlichen Sch all-Impulse. Frankf. a. M. 

 Phys. Ver. Jber. (1879-80), pp. 30-31. 



Oppenheimer, L. S. Die Stabchen in der Netz- 

 haut der Fi-oschembryonen. [1878.] Wien 

 Embryol. Inst. Mitth., 1, 1880, pp. 163-165. 



Oppermann, Ludvig Henrik Ferdinand. Assign 

 to this author entry (Vol. 2, under Dilettant). 



- For biography and list of works see Tidsskr. 

 Math., 1, 1883, pp. 137-144. 



- 7. Om qvadraturer. Tidsskr. Math., 1, 

 1871, pp. 11-27. 



- 8. Mindre meddelelser. Den ptolemseiske 

 saetning. [En historisk gisning. (Hinduisk 

 geometri.)] Tidsskr. Math., 1, 1871, pp. 55-56, 

 124-125. 



9. Et par elementsere ssetninger om rsekkers 

 konvergens. Tidsskr. Math., 3, 1873, pp. 145- 

 147. 



- 1O. En explicit fremstilling af 



~--. 



Tidsskr. Math., 5, 1881, pp. 184-188. 



11. Bevis for en saetning om kjsedebr^kers 



konvergens. [Pog&ttm.] Tidsskr. Math., 1, 1883, 



pp. 163-164. 

 Orcutt, Charles Russell. [Notes from Lower 



California.] N. Y., Bot. Club Bull., 10, 1883, 



pp. 81-82, 106-107. 

 Ordinaire de Lacolonge, Louis. 15. Notice 



sur les moulins a vent a ailes reductibles. [1856.] 



Doubs Soc. Emul. M&n., 8, 1857, pp. 80-89, 



99. 



Orfila, [P.] Matthias Joseph Bonaventura. For 

 biography see Arch. Pharm., 125, 1853, pp. 209- 

 219. 



Orlov, Aleksandr Petrovich. seMJieTpflceHiflxt 

 Boo6u;e 11 o seMJieTpHceHiaxi, IOJEHOII Cii6npir n 

 TypKecraHCKofi o6jiacTii Bt oco6eHHOCTir. [On 

 earthquakes in general and on the earthquakes 

 of southern Siberia and the province of Turkestan 

 in particular.] Kazan Soc. Nat. Trans., 3 (No. 1), 

 [1872-73] ; 5 (No. 3), 1876, 397 pp. 



2. 3eM.ieTpaceHiflXT> BT> npiiypajiir- 

 CTpaHRX'F.. [On earthquakes in the 



Uralian regions.] Kazan Soc. Nat. Trans., 3 

 (No. 3), .1873, 8 pp. 



3. Heo6xo^T,HMOCTn npasiijiBHO opraHiiso- 

 Ha6jio;i;eHii[ Majnjxi. Ko.ie6aHin 



[On the necessity for regularly organized ob- 

 servations of slight vibrations of the earth.] 

 [1883.] Kazan Soc. Nat. (Phys.-Math.} Proc., 



2, 1884, pp. 6-7, 54-68. 



Orlov, Petr Pavlovich. KOjnmecTBeHHOMi. onpe- 

 A'EJieHiii pTyui B'i> ipynax'h JKHBOTHHXT.. [On 

 the quantitative determination of mercury in 

 animal bodies.] Russ. Phys.-Chem. Soc. Jl., 12 

 (Pt. 1), 1880, pp. 282-283. 



2. rii,nporeHH3auiH TepneHTimnaro iiacjia 

 H UHMOJia. [On the hydrogenation of oil of 

 turpentine and cymene.] [1882.] Russ. Phys.- 

 Chem. Soc. Jl., 15 (ft. 1), 1883, pp. 44-51. 



Orlov, Thedor Evplovlch. Assign to this author 

 Title ( Vol. 8, under Orloff, -- ). 



2. JI.OKaaaTejii.CTBO xeopeMH BHJIEPA. [De- 

 monstration du theoreme d'EuLEE.] [1866.] 

 Rec. Math.(Moscou), 2, 1867 (Pt. 1), pp. 321-327. 



3. BaaiiMHocTH fti$$epeHiuai&]iHr& 

 ypaBHeniR. [M^moire sur la reciprocite des 

 equations difierentielles.] Rec. Math. (Moscou), 



3, 1868 (Pt 1), pp. 167-213. 



4. Pa3HCKame oco6HXT, p-feineHift fliKjxfce- 



ypaBHeniS. [Recherche de solu- 



tions singulieres des equations differentielles.J 

 [1869.] Rec. Math. (Moscou), 4, [1869-70] 

 (P*. 1), pp. 52-60. 



- 5. Maiuimax'L. [Sur les machines.] [1872.] 

 Rec. Math. (Moscou), 6, [1872-73] (Pt. 2), pp. 

 47-63. 



6. KBa^paiyp-B pyjrern,. [Sur la quadra- 

 ture des roulettes.] [1883.] Rec. Math. (Mos- 

 cou), 11, [1883-84], pp. 457-514. 



Orlovskil, Anton Lyudvlgovlch. 3 (Vol. 10). 

 SaM'fena cipOBOji,opoji,a, BT> o6ui,eM'b xojt'fe KaiecT- 

 BGHHaro anajiiisa, cipHOBaTncTii-aMMOideBOK) 

 COJILK). Russ. Phys.-Chem. Soc. Jl., 15 (Pt 1), 

 1883, pp. 32-43. 



4. nojiyienin Tepe6ena n miMOJia list 

 TepneHTHHHaro Macjra. [On the preparation of 

 terebene and cymene from oil of turpentine.] 

 [1873.] Russ. Chem. Phys. Soc. JL, 6 (Pt. 1), 

 1874, pp. 89-92. 



