430 CATALOGUE OF SCIENTIFIC PERIODICALS. 



3479. OoLOGiST (The). A monthly journal devoted to the study of 



bird.s and their eggs. S. L. Wilhird, editor, [later, with Jos. jNI. 

 Wade]. 4 vols., 8vo. Utica, N. Y., 1875-78. 



CJ. Ornithologist and Oologist. 



3480. Opi:iiATOR (The) [later,] and Electrical World. A journal 



of scientific and practical telegraphy [later, a journal of tele- 

 graphic, telephonic, and electrical science]. Edited by W. J. 

 Johnston. 13 vols., 4to. New, York, 1874-'82+ 



3481. Opinion (L') sericicole. Organe des interets agricoles et seri- 

 • cicoles de la France et de I'etranger. 1 vol., fol. Montpellier, 



1863, '64. 



3482. Opmerker (De). Weekblad voor architecten, ingenieurs, fabri- 



kauten en aaniieraers van openbare werken. 3 vols., fol. Arn- 

 heni, 1866-'68. 



Oppermann, C. a. See Annales (Nouvellcs) d'agriculture ; also Anna- 

 les (Nouvelles) de la construction ; also Portefeuille economique. 



Oppleii, Edwin. Sec Kunst (Die) \v(\ Gewerbe. 



3483. Opuscoli astronomici. 8 vols., 4to. Roma, 1803-'24. 



3484. Opuscoli matematici e fisici di diversi autori. 2 vols., 4to. 



Milano, 1832-'34. 



Opuscoli scelti sulle scienze e sulle akti. See Scelta d'opuscoli 

 intercssanti. 



3485. Opuscoli scientifici d'una societa di professori della 



PONTIFICAL UNIVERSITA DI BoLOGNA. — Vols., 4t0. Bologna, 



1817-'2o. 



3486. Opuscula omnia actis eruditorum Lipsle inserta qute ad 



uiiiversain mathematicam, physicam, medicinam, anatomiam, 

 chirurgiani et philologiam pertinent. 1684-1740. 7 vols., 4to. 

 Venezia, 1740-'46. 

 CJ. Actorum eruditorum sj'^nopsis. 



Opwykda, II. J. See Toegepaste schcikunde ; also Pharmaccutisch 

 weekblad. 



3487. Oregon and Washington Farmer. Edited by S. A. Clark. 



4to. Portland, 1882+ 



O'Reilly, R., and Bakbier de Yj^imars. See Annales des arts et ma- 

 nufactures. 



Orelly's neue Entdeckungen in der Cuemie. See Annalen der 

 Gewerbkunde. 



3488. Organ fur den Oel- und Fettiiandel. Die Seifen- und 



Lichte-Fabrikation, die Oel-, Harz- und Theerproduction-In- 



