Denning — Dennis. 



281 



tere complexe de resolubilite, 3 S. — Caracteres 

 de cert. fonct. integrab. & operat. correspond., 

 6 S. — Calcul d. coeffic. d'une serie trigono- 

 metr. quelconque dont la somme est donnee, 

 4 S. (17S, 21). — L. fonct. quasi-analyt. de 

 variable reelle, 3 S. (173, 21). — Fonct. definies 

 par d. series de fract. rationn., 2 S. (174, 22). 

 Paris, ficole norm. Ann.: Memoire sur la 

 totalisat. d. nombres derives non sommables, 

 96 & 58 S. (33, 1916). 



Denning, William Frederick ; Astron., 

 Bristol, England; * 1848, Redpost, 

 Sommerset. 



Telescopic -werk for starlight evenings. — 

 Meteoric shower of november. 



Astron. Nachr.: Radiant points of meteors 

 visible in july & august, 4 S. (162, 1903). — 

 Observats. of Mars in 1903, 3 S. (164, 04). — 

 Estimated magnitudes of Nova cygni 1920, 

 1 S. (211, 20). 



Canada, Astron. Soc. Journ,: Notes on the 

 great meteoric stream of 1913, february 9th., 

 Seen in Canada & the United States, 10 S. (7, 

 1913). — Great meteoric stream of februa- 

 ry 9th, 1913, 3 S. — A meteoric shower in june, 

 3" S. (10, 16). — Real paths of bright meteors 

 seen in 1916, 2 S. (11, 17). — A few notes on 

 amateur observers & observats., 3 S. (12, 18). 



— The observat. of meteors & computat. of 

 their real paths, 2 S. (13, 19). 



London, Astron. Soc. Month. Not.: Rotat. 

 periods of the markings on Jupiter, 3 S. — 

 Recent observat. of Mars & Jupiter, 4 S. (63, 

 1902/03). — The shower of Leonids in 1903, 5 S. 



— The rotat. period of Saturn in 1903, 5 S. — 

 The rotat. period of Saturn, 2 S. (64, 03/04). — 

 Value of meteoric radiants based on three 

 paths, 2 S. — The meteors fj Biela's co- 

 met, 5 S. (65, 04/05). — Observats. of Ju- 

 piter in 1903 & 1905—6, 3 S. (66, 05/06). 



— Early & late Perseids, 5 S. (67, 06/07). — 

 Real paths of brilliant meteors observed in 

 1908, IS.— The remarkable meteor of 1909 

 February 22, 7^ 30°', 1 S. — The fireball of 

 1909 February 22, 1^ 33'", 3 S. — Shower of C 

 Draconids, 2 S. (69, 08/09). — The real paths 

 of 429 fireballs & shooting stars observed in 

 the British isles during the 15 years 1897 to 

 1911 inclusive, 28 S. — Radiant points of 

 shooting stars observed at Bristol, chiefly in 

 1899—1911, 9 S. (72, 11/12). — On fireballs & 

 shooting stars, 5 S. — Observat. of the Orionids, 

 6 S. (73, 12/13). — Real paths of 252 fireballs & 

 shooting stars observed in the British Isles 

 during the four years 1912 to 1915 inclusive, 

 21 S. (76, 16). — The meteoric shower of ja- 

 nuary (m. F. Wilson), 2 S. — Observat. of 

 Nova aquilse, 1 S. (78, 18). — A detonnating 

 fireball in sunshine, 1922 febr. 7, "i^ ö5^, 3 S. 



— Meteoric phenomena, febr. 7 — 22, 2 S. (82, 

 22). 



1^ Dennis, Louis, D. Sc. 1922 Hamil- 

 ton; stud. 81—86 Ann Arbor, 89—91 

 Univ., München, Techn. Hochsch., Aachen 

 & Dresden, Lab. Fresenius, Wiesbaden ; 

 87—89 Instr. in chemistry, Univ., Ithaca, 

 91 Assist. Prof., 94 Assoc. Prof., 1900 

 Prof., anorg. & analyt. Chem., seit 03 

 Prof., anorg. Chem., Dir. chem. Abtlg., 

 Ithaca, N. Y.; * 1863, Mai 26, Chicago. 

 (Big. Mitt.) 



Laboratory manual to elementary chemistry^), 

 1902. — Qual. chem. anal., 142 S., London 02. 



— Laboratory manual to elementary chemi- 

 stry (beide mit F. Clarke), 02. — Problems in. 

 inorganic chemistry, 03. — Gas analyse, Lon- 

 don 13. 



Berichte d. Deut. Chem. Ges.: Üb. d. volum. 

 Bestimmung, d. dampfförm. Kohlenwasserstoffe 

 (W. Hempel), 3 S. (24, 1891). — Üb. Stickstoff- 

 wasserstoffsäurei), 10 S. (40, 1907). 



Amer. Chem. Journ.: A simple acid pump 

 (11, 1918). 



Amer. Chem. Soc. Journ.: The analytical 

 properties of iron phosphide & phosphate^), 

 8 S. — Contrib. to the chemistry of Cer*) (16, 

 1894). — Zirconium tetraiodide"»), 7 S. — Se- 

 parat, of thorium from the other rare earths 

 by means of k-trinitride, 6 S. — Some new 

 Compounds of thaUium (m. M. Doan & A. Gill), 



8 S. (18, 96). — Contrib. to the chemistry of 

 didymium (m. E. Chamot), 11 S. — Comparison 

 of var. rapid methods for determin. CO, & CO 

 (m. C. Edgar), 12 S. (19, 97). — A new form of 

 Discharger for spark spectra of soluts., 3 S. 



— Upon the salts of hydronitric acid (m. C. 

 Benedict & A. GiU), 8 S. (20, 98). — Deter- 

 minat. of CO, CH^ & H by combust.^), 13 S. 

 (21, 99). — Contrib. to the chemistry of the 

 rare earths of the yttrium group (m. B. Dales), 



35 S. (24, 1902). — Determinat. of benzene in 

 illuminating gas (m. O'Neill), 9 S. (23, 03). — 

 Atomic weight of indium (m. W. Geer), 2 S. — 

 Hydronitric acid & the inorganic trinitrides®), 



36 S. (26, 04). — Hydronitric acid, 14 S. — 

 Anhydrous hydronitric acid^), 8 S. (29, 07). — 

 Determ. of benzine in illum. gas (m. E. Carthy), 

 15 S. (30, 08). — Fract. crystalliz. of the picrates 

 of the earths (m. C. Bennett), 4 S. — Some new 

 forms of project. apparat., 4 S. (34, 12). — 

 Hydrogen telluride & the atomic weight of 

 Te (m. R. Anderson), 28 S. (36, 14). — Electro- 

 lysis of soluts. of the rare earths (m. B. Lemon) 



7 & 14 S. (m. P. v. d. Meulen) (37, 14). — 

 Fract. crystalliz. of the picrates of the rare 

 earths of the didymium group (m. F. Rhodes), 



9 S. (37, 15). — Electrolysis of soluts. of the 

 rare earths (m. A. Rav), 7 S. — Gallium (m. 

 J. Bridgman), 31 S. (40, 18). — Selenic acid & 

 copper selenate (m. J. Koller), 21 S. (41, 19). — 

 Germanium I: Extract. from Ge-bearing zink- 

 oxyd. Non occurrence in Samarskite (m. J. 

 Papish), 13 S. (43, 21). — Germanium III: Ge- 

 tetrabromide & Ge-tetrachloride (m. F. Hance), 



8 S. (44, 22). 



Journ. Ind. Ens. Chem.: To what extent 

 should College training confer practically effi- 

 ciency along technical lines?, 3 S. (1, 1909). — 

 A new form of orsat apparat., 4 S. (4, 12). — 

 Apparat, for the determ. of melting points, 

 2 S. (12, 20). 



Reference Landbook ol the medlcal sclences: 

 Gas analysis, 19 S. (9, 1893). 



Zeltschr. f. anorg. Chemie: Lorenz: Trenng. 

 d. Thoriums v. d. seltenen Erden d. Cer- & 

 Yttriumgruppen durch stickstoffwasserstoff- 

 saures K, 5 S. (0, 1894). — Beitr. zur Chemie 

 d. Cers,3) 15 S. (7, 94). — Über kristall. 

 NH^CP) 15 S. (9, 95). — Trenng. des Thori- 

 ums V. d. anderen seltenen Erden durch stick- 

 stoffwasserstoffsaures K, 6 S. — Eine neue 

 Form d. Entladers für Funkenspektren v. 

 Lösgn., 2 S. — Üb. d. Salze d. Stickstoff- 

 wasserstoffsäure (m. C. Bennedict), 8 S. (17, 

 98). — Bestimmg. v. CO, CH« & H durch 

 Verbrenng.«), 15 S. (21, 99). — Stickstoff- 

 wasserstoffsäure & d. anorgan. Trinitride*). 

 42 S. (40, 1904). — D. Elektrolyse v, Lösgn. 



