Allen — Allen. 



15 



Landesunters. 01—07, Chemiker, Carne- 

 eie-Geophys. Lab. seit 1907; * 1864, 

 April 2, Althol, Mass., U.S.A. (Eig. 

 Mitt.) 



Amer. Chem. Soc. Journ.: The exact deter- 

 minat. of sulphur in soluble sulphates (m. J. 

 Johnston), 29 S. (33, 1910). 



Amer. Journ., Silliman: On Wollastonite & 

 Pseudowollastonite (m. W. P. White & E. 

 Wright), 19 S. (21, 1906). — Minerals of the 

 composition MgSiOj (m. F. E. Wright & J. K. 

 Clement), 53 S. (82, 06). — The role of water 

 in Tremolite & certain other minerals (m. J. K. 

 Clement), 17 S. (26, 08) (auch Zeitschr. f. anorg. 

 Chemie: Lorenz, 68, 10). — Diopside & its 

 relations to calcium & magnesium metasili- 

 cates (m. W. P. WTiite) (with optical study: 

 by F. E. Wright & E. S. Larsen), 46 S. (27, 09). 

 — The nitrogen thermometer from zinc to 

 palladium. Chemical part (m. A. L. Day & 

 Sosman), 68 S. (29, 10) (auch Carnegie Inst., 

 11). — The mineral sulphides of iron (m. J. L. 

 Crenshaw & J. Johnston); (with crystallo- 

 graphic study by E. S. Larsen), 68 S. 

 (33, 12). — The mineral sulphides of iron (m. 

 L. Crenshaw, J. Johnston & E. Larsen), 67 S. 

 (33, 12) (auch Zeitschr. f. anorg. Chemie: 

 Lorenz, 76, 12). — The sulphides of zinc, 

 cadmium &, mercury; their crystalline forms 

 & genetic conditions (m. J. L. Crenshaw) 

 (microscopic study by H. E. Merwin), 55 S. 

 (34, 12) (auch Zeitschr. f. anorg. Chemie: 

 Lorenz, 79, 13). — The Stokes method for the 

 determination of pvrite & marcasite (m. J. L. 

 Crenshaw), 21 S. (38, U) (auch Zeitschr. f. 

 anorg. Chemie: Lorenz, 90, 14). — Effect of 

 temperature & acedity in the formation of 

 marcasite (FeSj) & wurtzite (ZnS); a contrib. 

 to the genesis of unstable forms (m. J. L. 

 Crenshaw & Merwin), 38 S. (38, 14) (auch 

 Zeitschr. f. anorg. Chemie: Lorenz, 90, 14). — 

 The composition of natural Bornite, 4 S. 

 (41, 16). — A method for the determinat. of 

 dissociat. pressures of sulphides & its applicat. 

 to covellite (CuS) & pyrite (FeS,) (m. R. H. 

 Lombard), 20 S. (43, 17). 



Economic Oeolo^y: The sulphides of copper 

 (m. E. Posujak & Merwin), 44 S. (10, 1915) 

 (auch Zeitschr. f. anorg. Chemie: Lorenz, 94, 

 15). — Some reactions involved in secondary i 

 copper sulphide enrichement (m. E. G. Zies & i 

 Merwin), 96 S. (11, 16). | 



Journ. Amer. Ceramlc Soc: A contrib. to the 

 methods of glass analyses with special reference I 

 to boric acid & the "two oxides of arsenic (m. [ 

 E. G. Zies), 47 S. — The condition of arsenic | 

 in glass & its role in glaaa making (m. E. G. 

 Zies), 3 S. (1, 1918). 



Journ. Eng. Sc, Ind. Chem.: The exact deter- 

 mination of sulphur in pyrite & marcasite (m. 

 J. Johnston), 7 S. (2, 1910) (auch Zeitschr. 

 f. anorg. Chemie: Lorenz, 69, 10/11). 



Journ. Franklin Ingt.: Chemical aspects of 

 volcanism with a coUection of the analyses of 

 volcanic gases, 52 S. (Jan. 1922). 



Journ. Washington Acad.: Studics in ore 

 deposition with special reference to the sulphi- 

 des of iron, 7 S. (1, 1911). 



Mining &, scientific press: Sulphides of iron & 

 their genesis, 1 S. (103, 1911). 



TschermakB Mln.-petr. Mltt.: D. Kalk- 

 Kieselreihe d. Minerale (m. A. L. Day & ande- 

 ren), 63 S. (26, 169, 1907). 



Washington, Carnegie Inst.: Isomorphism & 

 thermal properties of the feldspars (m. A. L. 



Dav), 53 S. (31, 1905) (auch Zeitschr. f. phys. 

 Chemie, 54, 1, 05). 



Siehe A. L. Dar. 



Allen, Herbert Stanley, Dr.; Lektor, 

 Phys., King's College, Univ., London, 

 danach Univ., Edinburgh, seit 23 Prof., 

 Xat. Philos., Univ., St. Andrews, Schottl. 

 (Eig. Mitt.) 



Photo-electricity; the liberation of electrons 

 by light; with chapters on fluorescence & 

 phosphorescence & photo-chemical actione & 

 photography, 234 S., London 1913, 9 & 221 S.. 

 New York 14. 



Ann. d. Physik: Lichtelektr. Ermüdg. d. Zn, 

 2 S. (32, 1910). 



Edinburgh, Roy. Soc. Proc: Aether & th© 

 quantum-theory (41, 1921). — The magnet. 

 character of the quantum (42, 22). 



London, Chem. Soc. Journ.: Atomic & mole- 

 cular numbers, 8 S. (113, 18). 



London, Roy. Soc. Proc: The photo-electric 

 fatigue of zinc, 11 & 5 S. (78 & 82, 1906 & 09) 



— The path of an electron in combined radial 

 magnetic & electric fields, 5 S. (85, 11). — 

 The photo-electric behaviour of iron in the 

 active & passive State, 5 S. (88, 13). — Charac- 

 teristic frequency & atomic number, 12 S. 

 (94, 18). 



PhiL Mag.: The effect of errors in ruling on 

 the appearance of a diffract.-grating, 4 S. 

 (6, 1903). — The photoelectric fatigue of me- 

 tals, 9 S. (20, 10). — The magnetic field of an 

 atom in relat. to theories of spectral series, 

 9 S. — The series spectrum of hydrogen & 

 the structure of the atom, 4 S. — An atomic 

 model with a magnetic core, 10 S. (29, 15). — 

 Atomic frequency & atomic number. — Fre- 

 quency formula withempirical constants, 10 S. 



— Electronic frequency & atomic number, 

 8 S. (34, 17). — Moleculär frequency & mole- 

 cular number, I, 12 S. — Moleculär frequency 

 & moleculär number; II: The frequency of 

 the longer residual rays, 6 S. — III : Inorganic 

 Compounds. Lindemann's formula, 16 S. (35, 

 18). — Optical rotat., optical isomerism & 

 the ring-electron, 14 S. (40, 21). — The angu- 

 lar momentum & some related properties of 

 the ring electron, 8 S. (41, 21). — Faraday's 

 Magnetic Lines as quanta, Teill, 15 S. (42,21). 



Allen, Samuel James Mcintosh, B. 



Sc. & M. Sc. McGill Univ., Dr. phil. 



Baltimore; stud. Montreal & Baltimore; 



1900— 03 Montreal, Demonstrator, 03—04 



Baltimore, Fellow, seit 19 Prof., Exp.- 



Physik, Univ., Cincinnati, U.S.A. ; * 1877, 



Okt. 5, Maitland, Neuschottland. (Eig. 



Mitt.) 



e 

 Amor. Phys. Soc. Rev.: The veloc. & ratio , 



t "* 



^or the primary & secondary ß rays of radium. 



— Le radium (1906). — Radioactivity of smoke 

 laden atmosphere. — On the ränge & total 

 ionization of the a particle (08). — On secon- 

 dary ß radiation from radium in solids & liquids. 

 The physical measurement of X rays, 35 S. 

 (29, 09) (auch Roentg. See. England 09). — 

 Secondary ß radiations (32,11). — Absorption 

 of y rays of radium by solids & liquids, 15 S. 

 (34, 12). — The comparative absorpt. of y & 

 X rays (m. E. J. Lorcntz), 15 S. (1, 13). — The 

 radioactive deposit fr. the atmosphere on an 

 uncharged wire, 6 S. (7, 16). — The absorption 



