Sulphur 70, 207 Surface gravity 35, 36 Symmetry number, see spectroscopic valency electrons Temperature class 24, 112 scale 28, 33 scale, ionization 33, 133 bright stars 31 giant and dwarf 31 Theory of solution 110 Tin 85 Titanium 72, 123 Titanium compounds 75 Total pressure in stellar atmospheres 110 Total quantum number 8 Typical giant star 41 Ultimate lines 11, 94, 111 Uniformity of stellar atmospheres 178 Valency, chemical 10 Valency, spectroscopic 10 Vanadium 75, 124 Weights of atomic states 107 Width of lines 39 Wings 51 Wolf-Rayet stars 164 absorption in 164 continuous spectrum 49 Yttrium 82, 129 Zeemann effect 25 Zinc 80, 126 Zirconium 83 [Pg 214] NAME INDEX Abbot 30, 48, 51 Adams 54, 75, 140, 149, 192, 195 Anderson 26 Aston 5 Babcock 23, 38 Baillaud 48 Baldet 62 Baxandall 55, 63, 64, 149, 172, 173 Belopolsky 173 Bohr 8, 42, 108 Bottlinger 51 Bowen 18 Brandt 17 Brill 29 Brooks 68 Brooksbank 66 Burns 159 Butler 63 Campbell, W. W. 60, 163 Cannon, A. J. 54, 163, 190, 198 Catalan 17, 77, 84 Chenault 17 Clarke, F. W. 5, 184, 185, 187 Coblentz 30 Compton, K. T. 17, 56, 59 Cortie 66 Coster 23 Curtis 159 Curtiss 58 Davies 17, 19 de Forcrand 60 de Gramont 59, 111 Dempster 22 Deslandres 58 Dorgelo 23 Duffendack 19 Dyson 86 Eddington 27, 34, 41, 53, 180 Einstein 23, 113, 163 Eldridge 17 Evershed 26, 38, 58, 62 Fairfield 56, 57, 159 Fermi 23 Foote 17 Fowler, A., 11, 14, 17, 38, 56, 60, 62, 65, 66, 68, 75, 186, 191 Fowler, R. H., 17, 37, 44, 61, 70, 93, 106-110, 108, 133, 135, 156, 166, 179 Franck 19, 22, 43 Füchtbauer 23 Gale 75 Giebeler 86 Gieseler 17 Gousmid 86 Grotrian 17, 22 Guckel 60 Hale 25, 75 Harper 79, 117, 176, 192 Harrison 181 Hartley 81 Hartmann 71 Hartree 17, 61 Heger 67, 72 Hertzsprung 31, 175 Hoffmann 23 Hopfield 17, 186 Horton 17, 19 Howe 43 Hubble 49, 57 Huggins 57 Hulburt 26 Huthsteiner 17 Jeffreys 185 Johnson, M. C. 53, 85 Johnson, R. C. 62 Joy 54, 149, 192, 195 Kiess, C. C. 13, 17, 72, 84, 86, 173 Kiess, H. K. 17 King, A. S. 24, 38, 69, 84, 112 King, E. S. 29 Knipping 19 Kohlschütter 51, 140 Kohn 60 Kossell 13, 21 Kramers 8, 23 Krüger 19 [Pg 215] Landé 25 Lee 71 Lindblad 48, 57, 62, 169 Lindemann 26 Lockyer, J. N. 64, 70, 172, 173 Lundmark 198 Lunt 6, 85 Luyten 67, 162, 170 Lyman 18, 57, 58 Maury 173 McLennan 18, 63 Meggers 13, 17, 72, 75, 82 Menzel 44, 66-68, 71, 74-76, 79-81, 85, 109, 116, 133, 166, 181 Merrill, G. P. 817 Merrill, P. W. 54, 83 Merton 25, 60, 62 Mie 22 Millikan 18 Milne 17, 22, 28, 36, 37, 44, 48, 50, 61, 70, 93, 97, 106-110, 113, 133, 135, 140, 156, 158, 166, 179 Mitchell 58, 86 Mohler 17 Mulliken 61 Newall 63 Nicholson, J. W. 43 Noyes 112 Pannekoek 35, 140 Paschen 14, 17, 156 Payne 20, 38, 43, 58, 60, 68, 156, 163, 183 Plaskett, H. H. 14, 30, 48, 51, 54, 59, 60, 64, 65, 85, 156, 163, 184 Plaskett, J. S. 60, 71, 162, 163, 171 Pluvinel 62 Ramage 81