314 KANSAS ACADEMY OF SCIENCE. 



Report for the year ending- June, ISSO. 1882. Pp. 444; 84 pU.; 32 maps 

 folded in. Contains besides the report of the superintendent. Appendix No. 

 12. Report on the Blue Clay of the Mississippi river, by George Little, Ph. D.; 

 pp. 145-171; pi. 48. No. 14.« On the Determination of time, longitude, latitude, 

 and azimuth, by Charles A. Schott, Assistant; pp. 201-286; pll. 62-72. No. 16. 

 Report on the Currents and temjjeratures of Bering Sea and the adjacent 

 waters, by Wm. H. Dall, Assistant; pp. 297-340; pll. 80, 81. No. 18. An attempt 

 to solve the problem of the first landing place of Columbus in the New World, 

 by Capt. G. \. Fox, assistant secretary of the navy; pp. 347-411; pi. S3. No. 

 19. An inquiry into the variation of the compass off the Bahama Islands at 

 the time of the Landfall of Columbus in 1492, by Charles A. Schott, Assistant; 

 pp. 412-417; pi. 84. 



Report for the year ending June, 1881. 1883. Pp. 496; pll. 33-63; 32 maps 

 folded in. Contains besides the report of the superintendent. Appendix Nos. 

 8, 9. Terrestrial Magnetism. — Directions for magnetic observations with 

 portable instruments, and collection of results for declination, dip, and in- 

 tensity, by C. A. Schott, Assistant; pp. 126-224; pll. 34-37. No. 10. Meteorologic 

 Researches. Part III — Theory of barometric hypsometry and reduction of the 

 barometer at sea-level, by William Ferrel; pp. 225-268; pi. 38. No. 11. The 

 Report on the Oyster Beds of the James River, Virg-inia, and of Tangier and 

 Pocomoke Sounds, Maryland and Virginia, by Lieut. Francis Winslo^wt, IT. 



5. N. Association, C. and G. S.; pp. 269-353; pll. 39-63. No. 15. On the Deduc- 

 tion of the Ellipticity of the Earth from Pendulum Experiments, by C. S. 

 Peirce, Assistant; pp. 442-456. 



Report for the year ending June, 1882. 1883. Pp. 590; pll. 26-52; 25 maps. 

 Contains besides the report of the superintendent. Appendix No. 11. Results 

 of the Transcontinental Line of geodesic spirit leveling near the parallel of 

 39 degrees, executed by Andrew Braid, Assistant. Part I — From Sandy Hook, 

 N. J., to St. Louis, Mo., C. A. Schott, Assistant; pp. 209 and 517-556; pll. 33-36. 

 No. 12. Secular Variation of the Magnetic Declination in the United States 

 and foreign stations, by C. A. Schott, Assistant; pp. 277-328: pll. 37-40. No. 14. 

 Records and Results of magnetic observations made at the charge of the 

 "Bache Fund" of the National Academy of Sciences, 1871-1876, by J. E. Hil- 

 gard. Superintendent; pp. 329-426. No. 17. Discussion of the Tides of the Pa- 

 cific Coast of the United States, by William Ferrel; pp. 437-450; pll. 45-47. No. 

 21. A new reduction of La Caille's observations of fundamental stars in the 

 southern heavens, 1749-1757, by C. R. Powalky, Ph. D. ; pp. 469-502. No. 22. 

 Report of a conference on gravity determinations; pp. 503-516. 



Report for the year ending June, 1883. 1884. Pp. 504; pll. 25-50; 24 maps 

 folded in. Contains besides the report of the superintendent. Appendix No. 

 11. Results for the length of the primary base-line in Yolo County, California. 

 Measured in 1881 by the party of George Davidson, Assistant. Computation 

 and discussion of results by Charles A. Schott, Assistant; pp. 273-288; pi. 32. 

 No. 12. Results of observations for atmospheric refraction on the line Mount 

 Diablo to Martinez, Cal., in connection with hypsometric measures by spirit- 

 level, the vertical circle, and the barometer, made in March and April, 1880, 

 by George Davidson, Assistant. Discussion by Charles A. Schott, Assistant; 

 pp. 289-321; pi. 33. No. 13. Discussion of Magnetic Observations at the United 

 States polar station at Ooglaamie, Alaska, by C. A. Schott, Assistant; pp. 

 323-365; pi. 34. No. 18. Mean places of 1278 time and circumpolar stars for 

 epoch 1885.0, by George Davidson, Assistant; pp. 383-472. 



Report for the year ending June, 1884. 1885. Pp. 650; pll. 20-25; 19 maps 

 folded in. Contains besides the report of the Superintendent, Appendix No. 



6. Tables for the projection of maps, based on a polyconic development of the 

 Clarke spheroid, and computed from the equator to the pole; pp. 135-321. No. 



7. Formulae and Factors for the computation of latitudes, longitudes,* and 

 azimuths (third edition); pp. 323-375. No. 12. Physical Hydrography of Dela- 

 ware river and Bay. Comparison of recent with former surveys, by H. L. 

 Marindin, Assistant; pp. 431-434; pll. 22, 23. No. 13. Geology of the sea bot- 

 tom in the approaches to New York Bay, by A. Lindenkohl; pp. 435-438; pi. 24. 

 No. 14. Determinations of Gravity with the Kater pendulums, by Edwin Smith, 

 Assistant; pp. 439-473. No. 17. Description of a relief model of the depths of 

 the sea in the Bay of North America and the Gulf of Mexico, by J. E. Hil- 

 gard. Superintendent; pp. 619-621; pi. 25. 



Report for the year ending June, 1885. 1886. Pp. 540; pll. 19-46; 18 maps 



