110 



of our satellite, witli a comiilete plioto- 

 graphic iitlas. Loudon (.Murray), J 904, 

 (XII + 104). 30 cm. £i>2s. [Heviews] 

 Knowledge, London, (N. Ser.), 2, 1905, 

 (18); Nature, Loudon, 70, 1904, (xl-xiij. 

 [4SO0 4S9i)]. ■ G28G 



Pidoux, J. Petites planetes oLservees 

 a Tequatorial de 10 pouces de I'obser- 

 vatoire de Geneve. Astr. Nachr., Kiel, 

 164, 1904, (401-404). [5910-. 6287 



V. Kaminermann, A. 



Pierce, Daniel T., jnn. Benjamin 

 Thompson — Count Rum ford. Washing- 

 ton, D.C, U. S. Dept. Agric, ilouthly 

 Weath. Rev., 31, 1903, (317). [0010]. 

 6288 



Plummer, H[enry] C. Note on the 

 optical distortion of the microscope of 

 one of the Oxford machines for measuring 

 astronomical photographs. London, 

 Mon. Not. R. Astr. JScic, 64, 1904, (640- 

 644). [3100]. 6289 



Note on the influence of 



the plate constants on the accuracy of 

 the position of an object measured on 

 a photograph. London, Mon. Not. R. 

 Astr. Soc, 64, 1904, (645-647). [3100]. 



6290 



The positions of seventy 



stars in the cluster M 13 Herculis. 

 London, Mon. Not. R. Astr. Soc, 65, 

 1905, (79-83). [7700]. 6291 



On the possible effects of 



radiation on the motion of comets, with 

 special reference to Encke's comet. 

 London, Mon. Not. R. Astr. Soc, 65, 

 1905, (22U-237). [6600]. 6292 



Plummer, W. E. President's inau- 

 gural address. Liverpool, Rep. Astr. 

 Soc, 1902, (5-12). [0040], 6293 



■ President's address. Tiie 



nebular hvpniliesis. Liverpool, Rep. 

 Astr. Sue, 1903, (7-15). [0040]. 6294 



President's address. Planet 



markiiins. Liverpool, Rep. Astr. Soc, 

 1904, fl)-20). [0040J. 6295 



Variable star observation. 



Liverpi o!, licp. Astr. Soc, 1904, (20- 

 23). [7(10UJ. 6296 



Cometary observations at 



the Liverpool Observatory, 1902-3. 

 London, Mon. Not. R. Astr. Soc, 64, 

 1904, (783-788). [6600]. 6297 



Plunket, Emmeline M. Snake forms 

 in the constellations. Knowledge, 



London, (N. Ser.\ 1, 1904, (301). 

 [7000]. ' 6298 



Pockels, Friedrich. Gustav Robert 

 KirchhofF. [In: HeidelbergerProfessoren 

 aus d. 19. Jahrhnndert. Festschr. d. 

 Univ. Bd 2.] Heidelberg (C. Winter), 

 1903, (243-263). 27 cm. [0010]. 



629f> 



Pocklington, H. ('[aljourn]. Grinding 

 and polishing of glass sjiecula. Leeds, 

 J. Astr. Soc, 11, [1903], (22-27). 

 [2040]. 6300 



PoMe, Joseph. P. Angelo Secchi. 

 Ein Lebens- nnd Kulturbild aus dem 

 XIX. Jahrhundert. 2. umgearb. u. 

 verm. Aufl. Koln (J. P. Bachem), 1904, 

 (XV + 288, mit. Portr. ii. 1 TaL). 

 23 cm. 4 M. [0010]. 6301 



Poincari, Henri. Discours [prononce- 

 aux funerailles de M. A. Cornu]. Amui. 

 Bur. longit., Paris, 1903, (D 7-11). 

 [0010]. 6302 



• Rapport presente au nom 



de la Commission chargee du controle- 

 scientifiqiie des operations geodesiques 

 de I'Equateur. Paris, C.-R. Acad, sci., 

 136, 1903, (86 1-871, av. fig.). [5050]. 

 630r> 



[Pokrovskij,K[onstantin] D.j IIOKpOB- 

 CKiii, K. An;i;e.io CeKKH. [Angelo 

 Secchi]. Mir Boz., St. Peterburg, 1903, 

 (14). [0010]. 6301 



KOMCTtJ BT. pyCCKHXI. 



abTonHCHS-b. [Les cometes dans le.'^ 

 chroniques russes.] Mir Boz., St. Peter- 

 burg, 1903, 4, i. (235-256). [OOIO 

 6600 902OJ. 6305 



Ycnixn AcTpoHOMin aa 



1902 roxi'- [Les progres de I'Astrono- 

 mie en 1902.] Russ. astr. Kalendari, 

 N.-Novgorod, 1904, [1903], (1-19, av. 

 pi.). [0010]. 630(1 



Beobachtungen des Kome- 



teu 1904 a. .\str. Nachr, Kiel, 165„ 

 190J, (335-336). [66001. 6307 



nnd Schaxbe, S. Be- 



deckung des Aldebaran 1903 Okt. 10. 

 Astr. Nachr., Kiel, 165, 1904, (23-24). 

 [4870]. 6308. 



[Polianovskij .] IIo.iaiTOBCKiii. 



XpoiioiieTpiiqecKie peiicu iieiiciy Cey- 

 .lOM'b, lIopT-i-.\pTypoMb, XapOIIIlLIMlv 

 II Baa,i,iiBOCTOKOMi., iicno.ineHFii.ie bt> 

 1901 ro^y. [Voyages chronometriques 

 entre Seoul, Porl-Arthiir, Harbin et 

 Aladivostok faits en 1901.] St. Peter- 



