INDEX. 



775 



Miller, E. R., dustfall of March 9, 



1918, 599. 

 Mineralogy, 1818-1918, Ford, 240. 



— of Black Lake Area, Quebec, 

 Poitevin and Graham, 479. 



MINERALS. 



Colerainite, 479. 



Cristobalite, 417. 



Epsomite, 638. 



Periclase, California, 581. 



Serpentine, 693. 



Stichite, 479. 



Tridymite, 417. 

 Mitchell, C. A., Edible Oils and 



Fats, 615. 

 Morgan, G. T., Arsenic and Anti- 

 mony, 615. 

 Motion, law of dissipation, Jonson, 



578. 

 Mouth, Histology, Hopewell-Smith, 



480. 



N 

 New York State Museum, Report, 



Clarke, 545. 



O 

 OBITUARY. 



Eastman, C. R., 692. 



Gilbert, G. K., 669. 



Hidden, W. E., 480. 



Irving, J. D., 550. 



Peckham, S. F., 620. 



Pedler, A., 480. 



Phillips, W. B., 692. 



Rathbun, R., 620. 



Trowbridge, C. C, 550. 



Williams, H. S., 550. 



Williston, S. W., 620. 

 Oils and Fats, Mitchell, 615. 

 Oregon Cascades, geology, Smith, 

 Osborn, H. F., Equidae, 770. 



546. 

 Ozone and ultra-violet transpar- 

 ency of the atmosphere, Strutt, 



543. 



P 



Page, L., a century's progress in 

 physics, 303. 



Paleontology, vertebrate, develop- 

 ment, Lull, 193. 



Pennsylvania, geologic section, 

 Butts, 523. - 



Periodic-table, modification, Hackh, 

 481. 



Petrology, rise of, Pirsson, 222. 



Phillips, A. H., vanadium in sed- 

 imentary rocks, 473. 



Phosphates of the Western United 

 States, Mansfield, 591. 



Physics, a century's progress, Page, 

 303. 



— Experiments in, Franklin and 

 MacNutt, 618. 



Physiology, Chemical, Cramer, 549. 



Phytopathology, Whetzel, 549. 



Pirss'on, L. V., rise of Petrology as 

 a science, 222. 



Planetary System, Origin, Miller, 

 542. 



Potential measurements, switch for, 

 White, 610. 



R 



Radioactive mineral springs of Col- 

 orado, 621. 



Rathbun, R., and his contributions 

 to zoology, 757. 



Rhode Island, geology, Hawkins, 



437- 

 Robertson, T. B., Physical Chemis- 

 try of Proteins, 548. 



ROCKS. 



Calcite-brucite rocks, Rogers, 582. 

 Diabase, Rhode Island, 452. 

 Gabbro, lopolith, Grout, 516; 



Rhode Island, Hawkins, 455. 

 Green schist, Rhode Island, 449. 

 Rogers, A. F., American occurrence 

 of periclase, 581. 



Sakhalin, "Miocene flora" of, 

 Kryshtofovich, 502. 



Sarawak Museum Journal, 479. 



Scott, S. E., separation of germa- 

 nium, 663. 



Scott, W., determination of vanadic 

 acid, 427. 



Schuchert, C, historical geology, 

 1818-1918, 45; notice of H. S. 

 Williams, 682; Earth's Changing 

 Surface, 770. 



Science, Century of, 1818-1918, 1 

 et seq. 



— Elements of General, Caldwell 

 and Eikenberry, 690. 



Serpentine, origin, Benson, 693. 



Seward, A. C, Fossil Plants, 475. 



Sherman, H. C, Chemistry of 

 Food, 548. 



Smith, E. A., Zinc Industry, 689. 



Smith, E. F., Life of James Wood- 

 house, 541; Electro-Analysis, 766. 



Smith, G. O., century of govern- 

 ment geological surveys, 171. 



Soderman, M. A., barium and stron- 

 tium, separation, 538. 



Sosman, R. B., work of the Geo- 

 physical Laboratory, Washing- 

 ton, 255. 



Spectra, iron, King, 767. 



Spectrum, solar, occurrence of 

 ultra-violet bands in, Fowler and 

 Gregory, 617. 



Springer, F., Mysticocrinus, 666. 



Stoichiometry, Young, 689. 



