PUBLICATIONS OF THE SMITHSONIAN INSTITUTION. 437 



CONTENTS. 



(59.) Chappelsmith. Tornado near New Harmony, Indiana. 



(63.) Bailey. New species and localities of microscopic organisms. 



(70. ) Laphani. Antiquities of Wisconsin. 



(72.) Leidy. Extinct sloth tribe of North America. 



(73.) Publications of societies and periodicals in Smithsonian Library. Part I. 



77. Tenth annual report of the Board of Regents of the Smithsonian Insti- 

 tution, showing the operations, expenditures, and condition of the Institution up 

 to January 1, 1S5G, and the proceedings of the Board up to March 22, 185G. 

 [34th Congress, 1st session. Senate Mis. Doc. No. 73.] 1856. 8vo., pp. 440, 

 79 woodcuts. 



78. Smithsonian Contributions to Knowledge. Vol. VIII. 1856. 4to., pp. 

 556, 9 plates and 27 woodcuts. 



CONTENTS. 



(71.) Haven. Archaeology of the United States. 



(8L) Olmsted. Recent secular period of aurora borealis. 



(80.) Alvord. Tangencies of circles and of spheres. 



(82.) Jones. Chemical and physiological investigations relative to vertebrata. 



(84.) Force. Auroral Phenomena in Higher Northern Latitudes. 



(85.) Publications of societies and periodicals in Smithsonian Library. Part II. 



79. New tables for determining the values of the coefficients, in the pertur- 

 bative function of planetary motion, which depend upon the ratio of the mean 

 distances. By John D. Runkle. Accepted for publication, November, 1855. 

 [November, 1856.] 4to., pp. 64. (S. 0. ix.) 



80. The tangencies of circles and of spheres. By Benjamin Alvord, major 

 United States Army. Acceptedforpublication, January, 1855. [January', 1856.] 

 4to., pp. 16, 25 woodcuts and 9 plates. (S. C. viii.) 



81. On the recent secular period of theaurora borealis. By Professor Denison 

 Olmsted, LL.D. Accepted for publication, January, 1855. [May, 1856.] 

 4to., pp. 52. (S. C. VIII.) 



82. Investigations, chemical and physiological, relative to certain American 

 vertebrata. By Professor Joseph Jones, M. D. Accepted for pu'l)lication, 

 March, 1856. [July, 1856.] 4to., pp. 150, and 27 woodcuts. (S. C. viii.) 



83. On the relative intensity of the heat and light of the sun upon different 

 latitudes of the earth. By L. "W. Jleech, A. M. Accepted for publication, 

 September, 1855. [November, 1856.] 4to., pp. 58, 5 woodcuts and 6 plates. 

 (S. C. IX.) 



84. Appendix. Record of am'oral phenomena observed in the higlu;r northern 

 latitudes. Compiled by Peter Force, f July, 1S56.J 4to.,pp. 122. (S. C.vili.) 



85. Appendix. Publications of learned societies and periodicals in the library 

 of the Smithsonian Institution. I'art II. [May, 1S56.] 4to., pp. 38. (S. C 



VIII.) 



86. Observations on Mexican hi.story and archaeology, with a special notice 

 of Zapotec remains, as delineated in j\Ir. J. G. Hawkins's drawings of Mitla, Etc. 

 By Brantz Mayer. Accepted for publication, June, 1856. [November, 1856.] 

 4to., pp. 36, 17 woodcuts and 4 plates. (S. C. ix.) 



