264 



Davis — Day. 



i^ Davis, William Morris, S. B., M. 

 E. New York; stud. 1866—70 Cambridge, 

 Mass.; 70 Assist., Nation. Observ., Argen- 

 tinien, Cambridge, 76 Assist., Geol., 99 

 Sturgis-Hooper Prof., Geolog.; * 1850, 

 Febr. 12, Philadelphia. 



Mithrsg. d. Science, d. Amer. Journ. of Sc. & 

 d. Amer. Nat. 



Elena, physical geography, 402 S., London 

 1902. — Geograph, essays, Boston 10. — Practical 

 exercises in phys. geography; atlas to accom- 

 pany practical exercises in phys. geogr., Bos- 

 ton 10. 



Amer. Journ., Silliman: The terraces of the 

 Westfield River, Mass., 18 S. (14, 1902). — The 

 bearing of physiography upon Suess' theories, 

 9 S. (19, 05). — The framework of the earth, 

 17 S. (48. 19). 



Philadelphia, Phil. Soc. Proc: System, geogr., 

 24 S. (41, 1902). — Was Lewis Evans or Ben- 

 jamin Franklin the first to recognice that our 

 northeast storms come fr. the southwest?, 

 2 S. (45, 06). 



Verh. d. Ges. Deut. Naturf. u. Ärzte: D. 

 große Canyon d. Colorado, 13 S. (80, 1908). 



^^ Dawidoff, August, Dr. math. & 

 astron. 1851 Moskau; stud. 41—45 Univ., 

 Moskau; war 50 Adjunkt, Univ., Moskau, 

 53 a. o. Prof., angew. Math., 59 o. Prof., 

 62 Prof., reine Math.; * 1823, Dez. 15, 

 Libau, t 85, Dez. 22, Moskau. 

 Theorie d. Gleichgew. d. in e. Flüssigk. schwim- 

 menden Körper, Moskau 1848. — Theorie d. 

 Kapillaritätserscheingn., Mosk. 51. — Elem. 

 Geom., 64. — Elem. Algebra, 65. — Lehrb. d. 

 Arithm., 70. — Lehrb. d. Trigonomet., 81. — 

 (Alle Bücher in russ. Sprache.) 



Dawson, Bernhard, B. Sc. 1916 Ann 

 Arbor; stud. 1911—12 & 14—16 Ann 

 Arbor; 12—14 Assist., Sternwarte, La 

 Plata, 16 Astron., 17 Prof., Astron., Univ. 

 La Plata, seit 20 Hauptastron., 20—22 

 Verwalter d. Sternwarte; * 1890, Sept.21, 

 Kansas City, Mo., U.S.A. (Eig. Mitt.) 



Notizen in: Astron. Journ.: (28 — 30, 33). — 

 Astron. Nachr.: (194 — 199). — Public, del 

 OlKserv., La Plata: (I). — Public, of the Observ.. 

 Ann Arbor: (I & II). — Pop. A.stron. (34 & »7). 



Albany, Astron. Journ.: Measures & 

 approxiraate orbit of y lupi, 4 S. (.32, 1919). 

 — On the orbit of p Eridani, 4 S. — Note on 

 the orb. of y Centauri, 3 S. f32, 20). — Approx. 

 Clements of two southern binaries, 1 S. (34, 22). 



Chicacro, Astrophys. Journ.: The period of 

 V Tucanae, 9 S. (48, 1918). 



Populär Astron., Northfield: Bright lines in 

 class B & class M spectra, 4 S. (33, 1915). — 

 The flash spectrum, 6 S. (2.'», 17). 



Public, del Observat. de La Plata: Result. de 

 las Observac. con laEcuat. de 433 mm deabecri- 

 tura, 144 & 136S. (4,1918&22).— Elementosde 

 la Estrella Variable SV Centauri, 10 S. (6, 21). 



Public, of the Astron. Observ., Univ., Michi- 

 gan: The spectrum and radial velocity of q 

 leonis, 7 S. (3, 1916). 



^^ Dawson, Harry Medforth; Doz., 

 Chem., Yorkshire-Coll., Leeds, England; 

 * ? 



Berichte d. Deut. Chem. Ges.: Kupfer- 



komplexbildg. in wäßr. NH.-Lösgn., 7 S. 

 (42, 1909). 



London, Chem. Soc. Journ.: The format. of 

 periodides in nitrobenzene solut.*), 11 S. (85, 

 1904). — The nature of ammoniacal copper 

 soluts., 9 & 11 S. (89 & 95, 06 & 09). — 

 Volume changes which accompany transf ormata. 

 in the system NaaSjOa : 5 U^O^), 5 S. (91, 07). 

 — Influence of foreign subst. on transit. 

 temperat. & the determinat. of molec. weights^), 

 6 S. (93, 08). — Dynamics of the react. betw. 

 iodine & actone^), 10 S. (9;», 09). — Changes 

 in volume in the format. of dilute soluts., 15 & 



8 S. (97, 10). 



London, Chem. Soc. Journ.: The act. of 

 acids as catalysts in relat. to the nature of the 

 solvent medium, 9 S. — lonisat. in non- 

 aqueous solv.^), 8 S. (99, 11). — The condits. 

 of isodynamic change in the aliph. ketone, 

 11 S. (101, 12). — Keto-enolic tautomerism & 

 the absorpt. spectra of the aliph. ket., 9 S. — 

 The catalytic activity of acids. Evaluat. of 

 the activities of the hydrogen ion & the undiss. 

 acid (m. F. Powis), 12 S. (103, 13). — 

 Dynamics of the act. of halogens on aliph. - 

 aldehyds. keto-enol isom. of the aldehyds (m. 

 D. Burton & H. Ark), 16 S. — Catalyt. activity 

 of acids in ethyl-alcoholic solut. (m. F. Powis), 



9 S. — React. betw. jodine & aliph. aldehyds 

 (m. J. Marshall), 4 S. (105, 14). — Dynamics 

 of isom. change. Ketoenol transformat. of cya- 

 noacet. acid & its derivats (m. R. Sugden 

 & A. Taylor), 9 S. — The dual theory of acid 

 catalysis; the catalytic activity of monochlo- 

 roacetic acid in presence of its salts (m. Cl. 

 K. Reiman), 12 S. (107, 15). — The dual 

 theory of acid catalysis. A comparison of the 

 activities of certain strong acids (m. Th. W. 

 K. Reiman), 12 S. (107, 15). — The dual 

 theory of acid catalysis. A comparison of the 

 activities of certain strong acids (m. Th. W. 

 Crann), 16S. (109, 16).— The ternary system — 

 sodium sulphate, ammonium sulphate & water. 

 14 S. — The freezing points of mixtures of 

 phenol, o-cresol, m-cresol & p-cresol (m. Ch. 

 A. Mountford), 13 S. — The estimat. of phenol 

 & the three isomeric cresols in mixtures of 

 these substances (m. Ch. A. Mountford), HS. 

 (113, 18). 



Zeitschr. f. physlk. Chemie: Ostwald: Einfl. 

 d. starken Elektrol. auf Verteilgsphänom., 7 S. 

 (56, 1906). — Nature of ammoniacal soluts. of 

 cupric hydroxide, 13 S. (69, 09). 



Zeitschr. f. wiss. Photosrr.: Einwirkg. d. 

 Lichtes auf Chlorwasser, 3 S. (14, 1914/15). 

 Mit ') E. E. Goodsoii, «) C. G. Jackson, ») M. S. Leslie. 



"v Da-wson, Sir John William; war 

 Prof., Naturgesch., Univ., Montreal; 

 * 1820, t 1899, Nov. 19, Montreal. 



Day, Arthur, Dr. phil. 1894 Yale 

 (U.S.A.) ; stud. Yale & Berlin; 94—97 

 Instructor, Phys., Yale, 97—1900 Hilfs- 

 arb., Phys.-Techn. Reichsanst., Charlot- 

 tenburg, 00—07 Geolog. Survey, seit 07 

 Direktor, Geophys. Labor., Carnegie Inst., 

 Washington; * 1869, Okt. 30, Brookfield 

 Mass., (Eig. Mitt.) 



Isomorphism & thermal properties of the feld- 

 spars, introd. by. G. F. Becker (m. E. T. Allen 

 & J. P. Iddings), Washington, D.C. 1905. — 

 High temperat. gas thermometry; with an 



