OPP] 



548 



[ORL 



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



61-63. 

 Oppel, John un Joseph. 38. Ueber eiue bei 



gewohnliehem Gaslichte sichtbare Fluorescenz- 



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



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

 39. Eine akustisehe Beobachtung bei 



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



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



40. Ein dioptrisches Fermohr, 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 Tausehungen, 



den relativen Werth der Farbenbezeichnungen 

 und das Zustandekommen unserer Farben- 

 wahrnehrnung 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 Schall-Impulse. Frankf. a. M. 

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



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

 haut der Froschembryonen. [1878.] Wien 

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



Oppermann, Lvjdvig 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 ptolemteiske 



ssetning. [En historisk gisning. (Hinduisk 

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

 124-125. 



9. Et par element«re ssetninger om rsekkers 



Orfila, [P.] Matthias Joseph Bonaventura. For 

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

 219. 



Orlov, Aleksandr Petrovich. O 3eiueTpflceHiflXT. 

 Booome ii o aeM-ieTpflceHinx-b mjkhoh Ciiuiipii n 

 Typi;ecTaHCKoR oO.iacrn bt> ocooeHHOCTii. [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. :jeM.ieTpaceHiflXT> bt> npiiypajb- 



ckiixt, CTpanaxi.. [On earthquakes in the 

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

 (No. 3), 1873, 8 pp. 



3. neofJxo.uiMOCTii upaBHJitHO 6prami:so- 



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

 147. 

 — 10. En explicit fremstilling af 

 d k 



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



11. Bevis for en ssetning om kjtedebr^kers 



konvergens. [Posthum.] 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. Mem., 8, 1857, pp. 80-89, 



99. 



BaiiHUXT) HafuKueniii juuhxi Ko.ieoaHin kohbh. 

 [On the necessity for regularly organized ob- 

 servations of slight vibrations of the earth.] 

 [1883.] Kazan Soc. Nat. (Phys.-Math.) Proa, 

 2, 1884, pp. 0-7, 54-68. 



Orlov, Petr Pavhwch. KO.iniecTBeHHOnn. onpe- 

 .rt.n'Hin pTVTii bt> Tpynaxt atnBOTHHXt. [On 

 the quantitative determination of mercury in 

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

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



2. nuporeHiisauin TepneHTinniaro Mac.ia 



H UHMO.ia. [On the hydrogenation of oil of 

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

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



Orlov, Thedor Evplovlch. Assign to this author 



Title ( Vol. 8, under Orloff, ). 



2. IoKa3aTejiLCTB0 reopejiu 3h.iepa. [De- 



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

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



3. BiiaiiMHOCTii ji,"4)4)epeHU,ia.ii>HHx , i. 



vpaBiienifi. [Memoire sur la reciprocite des 

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

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



4. Pa:iucKaHie oco6hxi ptmeHiii ^.inhthe- 



peHuia.iLUHxi. ypaBHeHig. [Recherche de solu- 

 tions singulieres des equations differentielles, 

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

 (Pt. 1), pp. 52-60. 



■ — 5. MamHHax'b. [Sur les machines.] [1872.] 

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

 47-63. 



6. O i;na,TpaTypl; py.ieTTT.. [Sur la quadra- 



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

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



Orlovskil, Anton Lyudr'igovlch. 3 ( Vol. 10). 

 SaarfcHa CBpoBOjopoja, bt> o6meMT> xo^-b KaiecT- 

 BenHaro ana.ui3a, ct.pHOBaTiicTii-aMMOHieBoio 

 ro.ii.io. Russ. Phys.-Chem. Soc. Jl., 15 (Pt. 1), 

 1883, pp. 32-43. 



4. no.iyieHiit Tepe6eHa n miMOja H3T. 



TepiieHTHHHaro Mac.ia. [On the preparation of 

 terebene and cymene from oil of turpentine.] 

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

 1874, pp. 89-92. 



