OF THE SMITHSONIAN INSTITUTION. 19 



113. Contributions to Knowledge. Vol. XII— Continued. 



Castvell, a. Meteorological observations at Providence, Khodc Island, 



28^ years. No. 103. 

 Smith, N. D. Meteorological observations near Washington, Arkansas, 



20}'ears. No. 131. 

 Mitchell, S. W. Researches upon venom of the rattlesnake. No. 135. 



113. Discussion of the Magnetic and Meteorological Observations made at 



the Girard College Observatory, Philadelphia, in 1840-'41-'42-'43- 

 '44-'45. Part I. Investigation of the eleven year period in the am- 

 plitude of the solar-diurnal variation and of the disturbances of the 

 magnetic declination. By A. D. Bache. November, 1859. 4to., 

 pp. 22, 5 woodcuts. (S. C. xi.) 



114. Observations on Terrestrial ^Magnetism in Mexico. Conducted under 



the direction of Baron Von Mijller, with notes and illustrations of 

 an examination of the volcano Popocatepetl and its vicinity. By 

 August Sonntag. February, 1860. 4to., pp. 92, 4 woodcuts, one 

 plate. (S. C. XI.) 



115. Proceedings of the Board of Regents of the Smithsonian Institution, 



in relation to the Electro-Magnetic Telegraph. 1861. 8vo., pp. 40, 

 7 woodcuts. (M. C. II.) 



116. List of Public Libraries, Institutions, and Societies in the United 



States and British Provinces of North America. By William J. 

 Rhees. 1859. 8vo., pp. 84. 



117. Catalogue of Publications of Societies and of other Periodical Works 



in the Library of the Smithsonian Institution, July 1, 1858. Foreign 

 Works. 1859. 8vo., pp. 264. ( M. C. in.) 



118. Catalogue of the Described Lepidoptera of North America. By John 



G. Morris. May, 1860. 8vo., pp. 76. (M. C. in.) 



119. On Fluctuations of Level in the North American Lakes. By Charles 



Whittlesey. July, 1860. 4to., pp. 28, 2 plates of 4 figures. (S. 

 C. xii.) 



120. Results of Meteorological Observations made at Marietta, Ohio, 



between 1826 and 1859, inclusive. By S. P. Hildreth. To which 

 are added results of observations taken at Marietta, by Joseph 

 Wood, between 1817 and 1823. Reduced and discussed by Charles 

 A.Schott. September, 1867. 4to., pp. 52, 14 woodcuts. (S. C. xvi.) 



121. Discussion of the Magnetic and Meteorological Observations made at 



the Girard College Observatory, Philadelphia, in 1840-'41'-42'-43- 

 '44-45. By A. D. Bache. Part II. — Investigation of the solar- 

 diurnal variation in the magnetic declination and its annual inequality. 

 June, 1862, 4to., pp. 28, 8 woodcuts. (S. C. xiii.) 



