246 INDEX. 



Wolf, Max, 100, 181, 191, 194, Yerkes Observatory, 55, 111, 202. 



211. Young, C. A., 54, 56, 57, 58, 60, 



Wolf, R., 44, 45, 188. 87, 114, 190. 

 Wolf and Rayet, 171. 



Wolf-Rayet stars, 171, 174. Zach, F. X., 97, 98, 152. 



Wollaston, W. H., 48. Zantedeschi, 77. 



Wright, T., 34, 110. Zenger, 85, 88. 



Zollner, J. C. F., 54, 58, 60, 84, 



Yale Observatory, 157. 103, 132, 232. 



CORRIGENDA. 



P. 30, 1. 5, for " objects " read " orbits." 



P. 36, 1. 13, for " unable " read " able." 



P. 61, 1. 17, for " 8".371 " read 8".571." 



P. 63, 1. 21, for " bases " read " gases." 



P. 100, 1. 16, for " Schwussmann " read " Schwassmann." 



P. 167, 1. 28, for "Strumpe" read "Stumpe." 



P. 184, 1. 11, for " star- variables " read "variable stars." 



P. 199, 1. 23, for "2102" read "1202." 



THE END. 



PRINTED BY WILLIAM BLACKWOOD AND SONS, 



