General Index. 



291 



PAGE 



Polygonum ; stipule in, 44 



Colomb, . . 18 



Postgeneration, 50-1 



Potamogeton crispus L. , leaf dev. in, 35 

 stipules in. Corson, ... 12 

 Potentilla fruticosa L., stipule in, 44-45 

 Pb^sepe Geoup ; Measure- 

 ment AND EEDTJCTION OF THE 

 EUTHEEFUED PHOTOGRAPHS, . 189 



exposure data, ...... 190 



measurement, 192 



daily records, ...... 194-5 



recording sheets, .... 198-9 



instrumental corrections, 216-25 

 corrected coordinates, . . 226 

 constants of the plates, . 241-6 



catalogue of stars 271 



heliometer results com- 

 pared 275-8 



orientation by trails, . . . 279 



Prantl and Engler ; ref 45 



Precession ; correction for, ... 167 



Primitive leaf, 26-9 



Pritchard, ref., 159 



Proper motion; correction of orien- 

 tation variation for, .... 70-108 

 Projection errors, measurement of 



Prsesepe Group, 225 



Protective functions of leaf, . 24, 25 

 Prunus ; obscure venation of, . . 42 

 bud scales in, Gobel, ... 16 

 Pteridophyta : relation to Sperma- 



tophyta, etc., 23 



Pyrus Malus L., stipule in, ... 42 



Quercus rubra L., lamina in, . . . 39 

 bud scales in, Gobel, ... 16 



Rambant; ref., 160,239-40 



Ranuncidacess ; leaf development 



in, 34. 46 



Ranunculus aquatilis L., 21 



Ranunculus bulbosus L., 32 



Rees; J. K., ref., 58 



Recording sheets, star measure- 



urements, 198-9 



Preference Books ; Parallax of 61 2 



Cygni, 159 



Eefraction ; means of, 58-74 



corrections for, 164 



formulas for photographic 



plates, 285 



Hegel ; E., on stipules, 7 



Repsold; ref., . 224 



Eeview of lit. on stipules, .... 3 

 Ehizomes ; scales of, Gobel, . . 17 

 Rhodotypus ; stipules in, ... . 45 



PAGE 



Richardia; venation of ligule in, 33 

 sheathing petiole in, ... 34 

 Right ascension and declination ; 



probable error in, ... . 273 

 Rosa ; highest adnation of stipules 



in, 42-3 



Rosa humilis Marsh., stipules in, . 43 



Rosa bracteata Lindley, 5 



Rosacea ; leaf division in, ... . 32 

 stip\iles in, . ... 41-2, 44 

 buds in, De Candolle, . . 5 

 adnate stipules in, Lestib., 6 

 bracts of calyx in, Clos, . 10 

 Rossman ; J., on stipules, ... 11 



Eotation corrections, 220 



Roux, W. ; ref., 50, 56 



Rubia tinctorium L., stipules in, . 48 



Rubiaceze, do., 39, 46 



Rubus occidentalis L., stipules in, 42 



villosus Ait. , do. , .... 42 



Rumex ; leaf development in, . . 35 



Ruppia ; do., 35 



rtjtheefued photogeaphic 

 Meastjbes of Sixty-five 

 Staes neae 61 Cygni, ... 58 

 Eutheefued Photogeaphic 

 Measuees of Thiety-foue 

 Stars neae "Beadles 3077," 161 

 Rutherford, Lewis M. ; refs. 



58, 60, 189 



Sachs ; ref. on stipules, .... 15 

 Salix ; stipules in, Lindley,. . . 6 

 Sambucus ; vestigial stipules in, . 41 



Haustein 11 



Lubbock, 21 



Sanguisorba Canadensis L., stipules 



in, 40 



Sassafras; leaf development in, . 30 

 Scabiosa; nodal girdles in, Haus- 

 tein, 11 



Scale-value ; approx. of, ... . 237 

 corrections, . . . 220-4, 277-84 

 Scale variation ; correction of Dis- 

 tance Measures for, . . .10, 61 

 Scale-division errors, .... 216-17 

 Schlesinger; Frank, The Prm- 



sepe Geotjp, ... . 189 



Schur; ref., 234-6,277-8 



Scirpus polyphyllus Vahl. ; ligule in, 34 

 Sedgewick; Adam, ref. .... 25 

 Seedling ; primitive leaf-forms in, 26 



Selaginella; ligule of, 24 



stipules in, 38 



Seringe; ref. on stipules, . 10, 11, 15 

 Seward; A. C, ref. on do., ... 24 

 Silene; corona of, 46 



