125 



Pickering, Edward CXliiirles]. Objects 

 Jiaviiig peculiar spectra. Cambrido;e, 

 Mass., Cir. Obs. Harvard Univ., 60, 

 [1901]; (reprint), Chicago, 111., As- 

 troph. J. Univ. Chic, 14, 1901, (111- 

 146). [8400]. 1488 



Objects having peculiar 



spectra. Astr. Nachr., Kiel, 156, 1901, 

 (:?93-298). [8400]. 1489 



The second series of lines 



in the spectrum of Hydrogen. (Abridged). 

 Knowledge, London, 24, 1901, (181-182). 

 [8050]. 1490 



Spectrinn of lightning. 



Cambridge, Mass., Cir. Obs. Harvai-d 

 Univ., 62 ; (reprint), Chicago, 111., 

 Astroph. J. Univ. Chic, 14, 1901, 

 (367-369, with pi.). [5400 F 1630]. 



1491 



Spectrum of lightning. 



Astr. Xachr., Kiel, 157, 1902, (207- 

 210). [7600 8300 F 1630]. 1492 



The spectrum of ij Carinae. 



Cambridge, Mass., Cir. Obs. Harvard 

 Univ., 59, [1901]. [8400]. 1493 



Harvard College Observa- 

 tory Circular No. 59. Spectrum of Xova 

 (3. 1901) Persei. Spectrum of 77 Carinae 

 (tj Ajgus). Astr. Xachi-., Kiel, 156, 

 1901, (101-106). [8300 8040]. 1494 



The Spectrum of C Puppis. 



Cambridge, Mass., Cir. Obs. Harvard 

 Univ., Xo. 55, [1901]. [8400]. 1495 



The Spectrum of C Puppis. 



Pop. Astr., Xorthfield, Mimi., 9, 1901, 

 (222-223). [Reprinted from Cambridge, 

 .Mass., Cir. Obs. Harvard Univ., Xo. 55, 

 [1901].] [8400]. 1496 



The spectrum of ( Puppis. 



Astr. Xachr., 155, 1901, (231-234). 

 [8020]. 1497 



Planet (433) Eros. Astr. 



Xachr., Kiel, 155, 1901, (255-256). 

 [5960]. 1498 



Variation in light of Eros. 



.Science, Xew York, X.Y., (N. Ser.), 

 13, 1901, (790-791). [5960]. 1499 



Variation in light of Eros. 



Pop. Astr., Xorthfield, Minn., 9, 1901, 

 (358). [5960 7600]. 1500 



Variabilitv in light of 



ErcJs. Cambridge, :Ma"ss., Cir. Obs. 

 Harvard Univ., 58, [19U1J; (reprint), 

 Ciiicago, 111., Astroph. .1. Univ. 

 (;liic., 13, 1901, (273-276). [Additional 

 Xote. 1 Chic'ago, 111., Astroph. J. Univ. 

 Chic, 13, 1901, (277). [5960]. 1501 



Pickering, Edward C[harles]. Varia- 

 l)ilitv in light of Eros. Cambridge, 

 Mass., Cir. Harvard Obs., 58, [190l] ; 

 (reprint). Pop. Astr., Xorthfield, Mimi., 

 9,1901,(290-294). [5960 7600]. 1502 



• Variability in light of Ei-os. 



Astr. Xachr., Kiel, 155, 1901, (307- 

 310). [5960]. 1503 



Variability in light of 



Eros. Observatory, London, 24, 1901, 

 (233-236). (From Harvard Circular 58 ). 

 [5960]. 1504 



■ Opposition of Eros (433) 



in 1903. Cambridge, Mass., Cir. Obs. 

 Harvard Univ., Xo. 61, [1901]; (re- 

 ])rint), Chicago, 111., Astroph. J. 

 Univ., Chic, 14, 1901, (209-212). 

 [5910]. 1505 



Opposition of (433) Eros 



in 1903. Astr. Xachr., Kiel, 156, 1901, 

 (377-380). [5900]. 1506 



Variations in light of 



(345) Tercidina. Astr. X^achr., Kiel, 

 156, 1901, (297-300). [5960]. 1507 



The new star in Perseus. 



Xature, London, 63, 1901, (497-498). 

 [7600]. 1508 



Anderson's new star in 



Perseus. Cambridge, Mass., Cir. Obs. 

 Harvard Univ., 56, [1901]. [7600]. 



1509 



Anderson's new star in 



Perseus. Chicago, III., Astroph. J. 

 Univ. Chic, 13, 1901, (170-173). [7600J. 



1510 



Anderson's new star in 



Perseus. Cambridge, Mass., Cir. Obs. 

 Harvard Univ., 56, [1901] ; (re- 

 jn-int), Pop. Astr., Xorthfield, Minn., 

 9, 1901, (184-187). [7600]. 1511 



Xova Persei, Xo. 2. 



Science, Xew York, X.Y., (X. Ser.), 

 14, 1901, (31). [7600]. 1512 



Xova Per.^ei, Xo. 2. Cam- 



bridge, Mass., Cir. Obs. Harvard Univ., 

 57. [1901], (with pi.) ; (reprint), 

 Chicago, 111., Astroph. J. Univ. Chic, 

 13, 1901, (232-233). [7600 8300J. 



1513 



Spectrum of Xova Persei 



Xo. 2. Cambridge, Mass., Cir. Obs. 

 Harvard Univ., 59, [1901]; (reprint), 

 Chic, 14, 1901, (79-82). [Xote.] 

 Chicago, 111., Astrop. J. Univ. Chic, 14, 

 1901, 1^83). [7600 8300]. 1514 



