108 



Bruxelles, 1903, iuOI-.j!.-), ; Union iug., 

 Loiivain. 1903, (llo-lSSj. [5000]. 



6233 



Paulsen, A[damJ. Comparison of the 



spectrum of Nitrogen and of the Aurora. 



London, Rep. Brit. Ass.. 1903, 1904, 



(575-r)78). [6900]. 6235 



[Pavlov, X. D.j naB-iOBT,, H. Ji. 

 npOIISBOJCTBO TOHHOii HiiBea:iHpoBKn 

 BTi 1901 ro;iy MeHc;iy r. ITcKOBOMi, n ct. 

 Bo.ioroe. [Uu nivellement precis entre 

 Pskov et la station Bologoefait en 1901.] 

 St. Peterhurg, Zap. Voenno-Top. Otd. gl. 

 Staba. 60, 2, 1903, (191-213). [5050] 



0236 



Pedler, A. r. l.ockyer, [J.] Norman. 



Peek, C'[utl]ljert] E. Obser^-ations of 

 variable stars made at the Eousdon Ob- 

 servatory, Lyme Reals. London, Mem. 

 R. Astr. Soc, 55, 1904, ([8] + csiv. + 

 130). [7000]. 0237 



Perrine, C[liarles] D[illon]. Origin of 

 a disturbed region observed in the corona 

 of 1901 Mav 17-18. Berkelev, LickObs., 

 Univ. Cal.'BulL, No. 18, [1902], f 151 ■ 

 152). [4070 4240]. '62.38 



Results of the search for an 



inter-Mercurial planet at the total solar 

 eclipse of 1901 Mav 18. Berkeley, Lick 

 Obs., Univ. Cab, "Bidl., No. 24, 1902, 

 ([183] -[187] I [5500] 6239 



Discoveiy of two variable 



stars in the nebula, N.G.C. 7023. 

 Berkelev, Lick Obs., Univ. Cal., Bull., 

 No. 24,'] 902, (187). [7600]. 6240 



The spectrum of the 



nebulositv surrounding Nova Persei. 

 Berkelev,' Lick Obs., Univ. Cal, Bull., 

 No. 33.' [1903], (32-33); Astroph. J., 

 Chicago, 111., 17, 1903, (310-314). 

 [7600 8200 7800 8300]. 0241 



Observations of Nova 



Gemiuorum made with the Crossley 

 reflector. Berkelev, Lick Obs., Univ. 

 Cal.. Bull., No. 37, [1903], (57-59). 

 [7600]. 6242 



Photographic observations 



of the satellite of Neptune. Berkeley, 

 Lick Obs., Univ. Cal., Bull, No. 39, 

 [1903], (70-72). [6580]. 6243 



— Observations of 10. 1903, 



Lyrae. Berkelev, Lick Obs., Univ. Cal., 



Bull., No. 45, [1903], (124-125). [7600]. 



6244 



Elements and ephemeris 



of c-oniet (■ 1903 (Borrelly). Berkeley, 



Lick Obs., Univ. Cal., Bull., No. 47, 

 [1903], (-127-). [6600]. 0245 



Perrine, Ctliarles] D[illon]. The 

 spectrum of comet Borrelly obtained 

 with the Crosslev reflector. Berkeley, 

 Lick Obs., Univ". Cal.. Bull., No. 47. 

 [1903], (128). [0600 0920]. 0240 



Recent spectrographic ob- 

 servations of novae with the Crossley 

 reflector. Berkelev, Lick Obs., Univ. 

 Cal., Bull., No. 48, 1903, (130-131). 

 [7000 8300]. . 6247 



Nouvelles observations de 



la nebuleuse voisine de la Nova Persee. 

 Bruxelles, Bui. Soc. astron., 1902, (182- 

 189). [7800 7600]. 0248 



The discovery of Jupiter's 



sixth satellite. Nature, London, 71, 

 1905,(282-283). [6550]. 6249 



Perrot, Louis. Observations de la 

 comete 1902 HI faites a la lunette meri- 

 dienne de I'observatoire de Besaui^on. 

 Astr. Nachr., Kiel. 164, 1904, (353-354). 

 [6600]. 6250 



PMlUps. T[heodore] E. R. Tenth 

 report of the section for the observation 

 of Jupiter. London, Mem. Brit. Astr. 

 Ass., 12, 1904, (73-97, with pi.). [6040 

 6080 6550]. 6251 



Note on the drift of the 



Red spot in longitude. London, J. Brit. 

 Astr. Ass., 15, 1905, C27-28). [6040] 



6252 

 Piazzi, G. Praecipuamm stellai-um 

 inerrantium positiones mediae Panonui 

 1814. (Facsimile-Edition No. 4.) Ber- 

 lin (\Y. Junk!. 1903, (XI + 178 -f XI). 

 6,000 M. [7030]. 0253 



Pick, Adolf Jos[ef]. Die elemeutaren 

 Grundlagen der astronomischen Geo- 

 irraphie. 3. Anfl. Wien (Manz), 1901, 

 (XVni4-73, mit 2 Sternkarten). 

 21 cm. [0050]. 6254 



Pickering, Edward C[harles]. Fifty- 

 ninth annual report of the director of 

 the astronomical observatory of Harvard 

 college for the year ending Septem- 

 ber 30, 1904. Cambridge, Mass., 1904. 

 (14). 23 cm. [0020 2010]. 6255 



Periodischer Lichtwechsel 



des Planeten (7) Iris. [Telegramm.] 

 Astr. Nachr., Kiel, 164, 1904, (205-206). 

 [5960]. 6256 



Variability of (7) Iris. 



Astr. Nachr.. Kiel. 164, 1904, (343-348). 

 [5960]. 6257 



