83 



Cortie, A[loysiiis] L. The sim-spot 



group of ilavl9— June 1. Observatorv, 



London, 2i, 1901, (250-251). [iOTOJ. 



US 



The visual spectrum of 



Xova Persei. London, ilou. Not. R. 

 Astr. Soc, 61. 1901, (463-467). [8300]. 



449 



New Stars. Photographs 



of the Spectra of Nova Persei and 

 Procvon. Knowledge, London, 24,1901, 

 (1.30-13], with pi.). [7600 8300 84.50]. 



450 



On drift in longitiide of 



groups of faciilas on the sun's surface. 

 ','hi<:-aso,'Ill., Astroph. J. Univ. Chic, 

 14, 1901, (317-322, with pL). [4070]. 



451 



On the types of sun-spot 



disturbances. Chicago, 111., Astroph. 

 J. Univ. Chic, 13, 19Ul, (260-264, with 

 pi.) [4070]. 452 



Courvoisier, L[eo]. Beobachttmgen 

 des Planeten (78) Diana am 6-z6ll. 

 ileridiankreis der Sternwarte zu Heidel- 

 berg. Astr. Nachr., Kiel, 155, 100], 

 (381-382). [5910]. 453. 



Notiz betr. die Eigenbe- 



wegung der Nova Persei (Ch. 1226). 

 Astr. Nachr., Kiel, 157, 1902, (163-164). 

 [7600]. 454. 



BeolDaclitiingen von Plan- 

 eten am l^^zoU. Refractor der Steni- 

 Avarte Heidelberg. Astr. Nachr., Kiel, 

 157, 1902, (129-130). [591U]. 455 



Beoljachtmigen des Plan- 

 eten 1901 GY am 12zoll. Refractor der 

 Sternwarte Heidell)erg. Astr. Nachr., 

 Kiel, 157, 1902, (129-130). [5910]. 456 



Beobacbtungen des Encke- 



'schen Cometen 1901 b am 12zolligen 

 Refractor der Sternwarte Konigstuhl Ijei 

 Heidelberg. Astr. Nachr., Kiel, 156, 

 1901,(223-224). [6600]. 457 



Planetenbeobachtxingen 



am 12z6ll. Refractor der Sternwarte 

 Konigstulil Ijei Heidelberg. Astr. 

 Nachr., Kiel, 156, 1901, (287-288). 

 [5910]. 458 



V. Valentiner, W'ilhelm. 



CoweU, P[hilip] H[erbert]. Ta1)les 

 to facilitate the reduction of transits. 

 Arranged for use at the Royal 

 Observatory, Greenwich. Greenwich 

 Oljsns., 1899, 1901, ([IHl^])- [3020]. 

 459 

 (E-8904) 



CoweU, P[liilip] H[er]3ert]. The Normal 

 equations that arise in the usual schemes 

 of observation for division errors and 

 their solutions. London, Mon. Not. 

 R. Astr. Soc, 61, 1901, (527-531). 

 [3220]. 460 



Crawford, RusseU Tracy. The orbit 

 of the sj^ectroscopic binary v Pegasi. 

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

 No. 5, "[1901], (27-30). [7530 8600 

 8620]. 461 



Cresswell, J. The total eclipse of. 

 May. 18, 1901. Nature, London, 64, 

 19(3l, (289-290). [4210]. 462 



Crommelin, A[ndrew] Claude D[e la 

 Cherois]. Ephemeris for physical obser- 

 vations of Jupiter 1902-3. London, 

 Mon. Not. R. Astr. Soc, 62, 1902. 

 (98-119). [6000]. 463 



Ephemeris for physical 



olDservations of the moon for 1902. 

 London, Mon. Not. R. Astr. Soc, 62, 

 1902, (86-97). [4800]. 464 



Total solar eclipses of the 



twentieth century. Knowledge, Lon- 

 don, 24, 1901, (59-61). [422U]. 465 



The Variability of Eros. 



Observatory, London, 24, 1901, (163- 

 165). [5960]. 46G 



Crossley, Edward. Bermcrside 



Halifax Observatory. Report for 1900. 

 London, Mon. Not. R. Astr., Soc, 61, 

 1901, (231). [2010]. 467 



Bermerside Halifax Ob- 

 servatory. Report for 1901. London, 

 Mon. Not. R. Astr. Soc, 62, 1902. 

 [2010]. 4GS 



Crowborougli Observatory, r. i^-^.crt^. 

 Isaac. 



Cmls, L[uiz]. Auflorderung betr. 



Beobachtimgen der Bedeckung von 5l> 



Virginis, 1901 Aug. 18. Astr. Nachr., 



Kiel, 157. 1902, (307-308). [4870]. 



46'J 



Cmnming, Linna-us. Remarks on the 



])resident's address. {v. S&ibroke, 



G[eorge] M[itchell]), London, J. Brit. 



Astr. Ass. 12.1902, (57-58). [3310]. 



470 



Curtis. Heber D. The U. S. Naval 

 Observatory Eclipse Expedition to 

 Sumatra [1901]. San Francisco, Cal., 

 Puli. Astr. Soc. Pac, 13, 1901, (2U.'>- 

 213 with pi.) [4210]. 471 



■ Observation of Eros made 



with the 26-iuch refractor of the 

 Leander McCormick Observatory of the 

 *-2 



