xxvm 



Sitzurgsberichte der mathematisch-physi- 

 kalischen Clasee der K. B. Akademie der 

 Wissenschaften zu Miinchen Heft. III., 

 1892. I. II. III., 1893 ; I. II. III. IV., 

 1894 ; I. II. III., 1895 ;L, 1896. Miinchen, 

 1893-96. From the Akademie. 



Soci<5te de Geographic. Compter Rendus 

 dee Seances, 1897, Nos. 1 to 19. Paris, 

 1897. From the Society. 



Smithsonian Miscellaneous Collections. 

 The Constants of Nature, pt. V. A recalcu- 

 lation of the Atomic weights, by F. W. 

 Clarke. A index to the genera and species 

 of the Foraminifera, by C. D. Sherborn, 

 pt. II., Washington, 1896-97. 



Smithsonian Institution. — Bulletin of the 

 United States National Museum, No. 47. 

 The fishes of North and Middle America, 

 by D. S. Jordan, Ph.D. B. W. Ever- 

 mann, Ph.D., pt. 1, Washington, 1896. 

 Atmospheric Actinometry and the Actinic 

 constitution of the Atmosphere, by E. 

 Duclaix, 1896. From the Institution. 



Smithsonian Miscellaneous Collections. 

 Smithsonian Physical tables, by T. Gray, 

 1896. Methods for the determination of 

 organic matter in air, by D. H. Bergey, 

 B.S , M.D. Equipment and work of an 

 iEro-Physical Observatory, by A. McAddie. 

 Mountain Observatories in America and 

 Europe, by E. S. Holden, Director of the 

 Lick Observatory, 1896. The Air of Towns, 

 by Dr. J. B. Cohen. The Atmosphere in 

 relation to Human Life and Health, by F. 

 A. R. Russell. Virginian Cartography, a 

 bibliographical description, by P. Lee 

 Phillips. Air and Life, by H. de Variguy, 

 M.D, Argon, a new constituent of the 

 atmosphere, by Lord Rayleigh and Professor 

 W. Ramsay. Smithsonian Contributions to 

 Knowledge, Vols. XXX., XXXI., XXXII. 

 From the Smithsonian Institution. 



Transactions of the Wagner Free Institute 

 of Science of Philadelphia, Vol. IV., 

 January, 1S96. From the Institute. 



Transactions of the Academy of Science, 

 St. Louis, Vol. VII No. 4. The law of 

 minimum deviation of light by a Prism, 

 by Francis E. Nipher. No. 5. Relations of 

 Salix Missouriensis, Bebb, to S. Cordata 

 Muhl, by N. M. Glatfeller, M.D. No. 6. 

 Flowers and insects, by C. Robertson. No. 

 7. On a rotational motion of the cathode 

 disc in the Crookes tube, by F. E. Nipher. 

 No. 8. At what age do pupils withdraw 

 from the public schools, by 0. M. Wood- 

 ward. No. 9. Geometrical constructions 

 of the lines of force proceeding from (a), 

 Two parallel electrified lines (&), two electri- 

 fied points, by W. H. Roever. No. 10. A 



study of the Kansas Ustilaginese, especially 

 with regard to their germination, by J. B. 

 S. Norton. No. 11. Flexure of telescopes, 

 by M. Updegraff. No. 12. Geometrical 

 properties of the lines of force proceeding 

 from (a), a sytem consisting of an electrified 

 plane, and an electrified line parallel to 

 the plane (b), a system consisting of an 

 electrified plane, and an electrified point, 

 by W. H. Roever. No. 13. Results of 

 double star observations made with the 

 equatorial of the Morrison Observatory,by H. 

 S. Pritchell. No. 13. North American Bees, 

 descriptions and synonyms, by C. Robertson. 

 No. 15. Relations of the Devonian and Car- 

 boniferous in the Upper Mississippi Valley, 

 by C. R. Keyes. No. 16. Critical Notes on 

 the " Muricidse," by L. C. Baker. From 

 the Academy of Science, St. Louis. 



Proceedings of the American Academy of 

 Arts and Sciences, Vol. XXXIL — No. 1. 

 Contributions from the Gray Herbarium of 

 Harvard University, by B. L. Robertson and 

 J. M. Greenman. 2No. 2. A revision of the 

 atomic weight of Magnesium, by T. W. 

 Richards and H. G. Parker. No. 3. On the 

 group of real linear transformations whose 

 invariant is a real quadratic form, by H. 

 Taber. No. 4. Studies in Morphogenais, 

 VI., a contribution to the quantitative study 

 of correlated variation, and the comparative 

 variability of the sexes, by C. B. Davenport 

 and C. Bullard. No. 5. Investigations of 

 American Petroleum, by C. F. Mabery.j 

 XXVI. On the Butanes and Octanes in 

 American petroleum, by C. F. Mabery and 

 E. J. Hudson. No. 6, XXVII. The con 

 stituents of Pennsylvania, Ohio, and 

 Canadian Petroleum, between 150deg. and 

 220deg. / by C. Mabery. No. 7, XXVIII. 

 Refractive power of the Hydrocarbons and 

 Chlorine deriatives described in the pre 

 ceding paper, by C. F. Mabery and E. J. 

 Hudson. No. 8, XXIX. On the composi 

 tion of a South American Petroleum, by C. 

 Mabery and A. S. Kittelberger. No. 9, 

 The genera of North American Melanopli, 

 by S. H. Scudder. No. 10. Cycle in the 

 life of the individual (Ontogeny), and in 

 the evolution of its own group (Phylogeny), 

 by A. Eyatt. 



No. 2, XL VIII. The Vicosity of Mercury 

 Vapour. By A. A. Noyes and H. M. Good 

 win. No. 12 — On the action of Ammonia 

 upon Capri Ammonium Acetobromide. By 

 T. W. Rishards and R. J. Forsythe, No. 

 13— On obtaining meteorological records in 

 the upper air by means of kites and balloons. 

 By A. L. Rotch. No. 14— The energy con 

 ditions necessary to produce the Riatgen 



