October 12, 1906.] 



SCIENCE. 



473 



No. 7. New Method of Determining Compressi- 

 bility. By T. W. Richards and W. N. Stull. 

 Octavo, 45 pages, 5 text figures. 



No. 8. Bibliographic Index of North American 

 Fungi. By W. G. Farlow. Octavo. Vol. 1, 

 part 1, XXXV + 312 pages. 



No. 9. The Collected Mathematical Works of G. 

 W. Hill. Quarto, 4 vols. Vol. 1, xviii + 363 

 pages; Vol. 2, vii + 339 pages; Vol. 3, 577 

 pages. Vol. 4 in press. 



No. 10. Contributions to Stellar Statistics. On 

 the Position of the Galactic and Other Planes 

 Toward Which the Stars Tend to Crowd. By 

 Simon Newcomb. Quarto, 30 pages. 



No. 11. Production of Sex in Human Offspring. 

 By Simon Newcomb. Octavo, 34 pages. 



No. 12. The Action of Snake Venom upon Cold- 

 blooded Animals. By Hideyo Noguchi. Octavo, 

 16 pages. 



No. 13. Influence of Grenville on Pitt's Foreign 

 Policy, 1787-1798. By E. D. Adams. Octavo, 

 79 pages. 



No. 14. Guide to Archives of the Government at 

 Washington. By C. H. Van Tyne and W. G. 

 Leland. Octavo, xiii + 215 pages. 



No. 15. Fecundation in Plants. By D. M. Mot- 

 tier. Octavo, viii + 187 pages, 75 text figures. 



No. 16. Contributions to the Study of the Be- 

 havior of the Lower Organisms. By H. S. 

 Jennings. Octavo, 256 pages, 81 text figures. 



No. 17. Traditions of the Arikara. By G. A. 

 Dorsey. Octavo, 202 pages. 



No. 18. Researches on North American Acridiidse. 

 By Albert P. Morse. Octavo, 56 pages, 8 plates. 



No. 19. Coloration in Polistes. By Wilhelmine 

 M. Enteman. Octavo, 88 pages, 6 colored 

 plates, 26 text figures. 



No. 20. The Coral Siderastrea radians. By J. 

 E. Duerden. Quarto, v -f 134 pages, 11 plates, 

 13 text figures. 



No. 21. Mythology of the Wichita. By G. A. 

 Dorsey. Octavo, viii + 351 pages. 



No. 22. Report on the Diplomatic Archives of 

 the Department of State, 1789-1840. By A. C. 

 McLaughlin. Octavo, 73 pages. 



No. 22. Revised edition. 



No. 23. Heredity of Coat Characters in Guinea 

 Pigs and Rabbits. (Paper No. 1, Station for 

 Experimental Evolution.) By W. E. Castle. 

 Octavo, 78 pages, 6 plates, 8 text figures. 



No. 24. Mutants and Hybrids of the Oenotheras. 

 (Paper No. 2, Station for Experimental Evo- 

 lution.) By D. T. MacDougal, assisted by A. 



M. Vail, G. H. Shull and J. K. Small. Octavo, 

 7 pages, 22 plates. 



No. 25. Evolution, Racial and Habitudinal. By 

 J. T. Gulick. Octavo, xii + 269 pages, 5 plates. 



No. 26. Exploration in Turkestan. By Raphael 

 Pumpelly, W. M. Davis, R. W. Pumpelly and 

 Ellsworth Huntington. Quarto, xii .+ 324 

 pages, 6 plates, 174 text cuts. 



No. 27. Bacteria in Relation to Plant Diseases. 

 By Erwin F. Smith. Quarto, xii + 285 pages, 

 31 plates, 146 text cuts. 



No. 28. A Revision of the Atomic Weights of 

 Sodium and Chlorine. By T. W. Richards and 

 R. C. Wells. Octavo, 70 pages. 



No. 29. The Color Sensitivity of the Peripheral 

 Retina. By J. W. Baird. Octavo, 80 pages. 



No. 30. Stages in the Development of Slum 

 cicutaefolium. (Paper No. 3, Station for Ex- 

 perimental Evolution.) By G. H. Shull. Oc- 

 tavo, 28 pages, 7 plates, 11 text cuts. 



No. 31. The Isomorphism and Thermal Prop- 

 erties of the Feldspars. Part I., Thermal 

 Study; by A. L. Day and E. T. Allen. Part II., 

 Optical Study; by J. P. Iddings. (With an 

 introduction by G. F. Becker.) Octavo, 95 

 pages, 25 text cuts, 26 plates. 



No. 32. Chimaeroid Fishes and their Develop- 

 ment. By Bashford Dean. Quarto. In press. 



No. 33. Researches in Stellar Photometry. By 

 J. A. Parkhurst. Quarto. In press. 



No. 34. American Fossil Cycads. By G. R. Wie- 

 land. Quarto, vii -{- 296 pages, 51 plates, 141 

 figures. 



No. 35. Investigations of Infra-red Spectra : Part 

 I., Infra-red Absorption Spectra; Part II., Infra- 

 red Emission Spectra. By W. W. Coblentz. 

 Octavo, 331 pages, 152 figures. 



No. 36. Studies in Spermatogenesis with especial 

 reference to the ' Accessory Chromosome.' By 

 N. M. Stevens. Octavo, 32 pages, 7 plates. 



No. 36. Studies in Spermatogenesis, Part II. By 

 N. M. Stevens. Octavo. In press. 



No. 37. Sexual Reproduction and the Organiza- 

 tion of the Nucleus in certain Mildews. By 

 R. A. Harper. Octavo, 104 pages, 7 plates. 



No. 38. Writings on American History, 1903. 

 Prepared under direction of A. C. McLaughlin. 

 Octavo, 172 pages. 



No. 39. Handbook of Learned Societies. Octavo. 

 Vol. 1 ( North and South America ) . In press. 



No. 40. The Nucleation of the Un contaminated 

 Atmosphere. By Carl Barus. Octavo, xii + 

 152. 



No. 41. Traditions of the Caddo. By G. A. 

 Dorsey. Octavo, 136 pages. 



