440 



REPORT — 1898. 



C. A. Young . 

 H. Deslandres 

 W. Grosse 



J. E. Keeler , 

 G. E. Hale , 



L. Becker , 

 W. Huggins . 

 H. F. Newall . 



L. E. Jewell . 



M. T. Edelinann 



A. E. Tutton 



N. von Konkoly 

 C.Fery . 



F. L. O. Wads- 

 worth. 



INSTHUMKNTAL, 1892, 1893, 189i. 



The Modern Spectroscope. IV. 

 The New Spectroscope of the 

 Halsted Observatory. (April.) 



Spectrograph zur Messung von 

 Sternbewegungcn. (Dec.) 



Spectrophotograph der Pariser 

 hiternwarte. (Dec.) 



1893. 



The Modern Spectroscope. VI. 

 The .Spectroscope of the Alle- 

 ghany Observatory. (Jan.) 



The Spectroheliograph. (Feb.) 



The Modern Spectroscope. VII. 

 The Spectroscope of the Royal 

 Observatory, Edinburgh. (June.) 



The Modern Spectroscope. VIII. 

 The Tulse Hill Spectroscope. 

 (Sept.) 



On a Combination of Prisms for a 

 Stellar Spectroscope. (Read Nov. 

 13.) 



1894. 

 The Object-glass Grating. (Jan.) 



Eisendrahtbolometer zur Unter- 

 suchung vom AViirmespectrum. 

 (Feb.) 



An Instrument of Precision for 

 obtaining Monocliromatic Light of 

 any desired Wave-length ; and its 

 use in in\estigating the Optical 

 Characters of Crj'stals. (Read 

 Feb. 1.) 



Ein solides lichtstarkes Sternspec- 

 troscop. (Mar.) 



Refractomfetre a cuve chauffable. 

 Application ^ la mesure des corps 

 gras. (Read July 30.) 



A New Arrangement for Large Spec- 

 troscope fcilits. (July.) 



An Improved Form of Littrow Spec- 

 troscope. (July.) 



' Astron. and Astrophys.' 

 xi. 292-296. 



• Naturwiss. Rundschau,' 

 vii. 676 ; ' Beibliitter,' 

 xvii. 448-449 (Abs.) 



' Naturwiss. Rund.schau,' 

 vii. 676 (Abs.) 



' Astron. and A.«trophysJ 

 sii. 40-50. 



' Astron. and Astrophy?.! 

 xii. 241 - 257 ; ' BeL- 

 blatter,' xviii. 89 - 90- 

 (Abs.) 



' Astron. and Astrophys.' 

 xii. 542-545. 



' Astron. and AstrophysJ' 

 xii. 615-619. 



'Proc. Phil. Soc. Gamb.' 

 viii. 138-141; ' Zeitschr.. 

 f. Instrumentenkunde,' 

 XIV. 369 - 370; ' Bei. 

 blatter,' xix. 323 (Abs.) : 

 'Nature,' xlix. 379 (Abs.), 



' Astron. and Astrophys.' 

 xiii. 44-48; 'Nature,' 

 xlix. 300-301 (Abs.) 



' Electrotech. Zeitschr.' 

 XV. 81-82; 'Beibliitter,' 

 xviii. 749-750 (Abs.) 



'Proc. Roy. Soc' Iv. 111- 

 113 (Abs.) ; ' Beibliit- 

 ter,' xviii. 835 (Abs.) 



' Centralzeit. f. Opt. u. 

 Mech.' XV. 61-64. 



'C. R.' cxix. 332-334; 

 ' Beibliitter,' xix. IGH 

 (Abs.) 



' Amer. J. Sci.' [3], xlviii. 

 19 - 20 ; ' Beibliitter,' 

 xviii. 996-997 (Abs.); 

 ' Nature,' 1. 326 (Abs.) 



♦ Phil. Mag.' [5], xxxviii. 

 137-142; 'Beibliitter,' 

 xix. 59 (Abs.) 



