REPORT OF THE SECRETARY. 23 



tlon shall warrant the expenditure for this purpose. The following 

 is a list of the works in quarto published by the Smithsonian Insti- 

 tution in 1865 : 



Discussion of the Magnetic and Meteorological Observations made 

 at Girard College Observatory, Philadelphia, in 1840, 1841, 1842, 

 1843, 1844, and 1845. Fourth section comprising Parts X, XI, and 

 XII. Dip and total force. By A. D. Bache, LL. D. Pp.44. (Pub- 

 lished January, 1865.) 



Pala3ontology of the Upper Missouri: A report upon collections 

 made principally by the expeditions under command of Lieutenant 

 G. K. Warren, U. S. topographical engineers, in 1855 and 1856. 

 Invertebrates. By P. B. Meek and P. V. Haj^den, M. D. Part I. 

 Pp. 156 and five plates. (Published April, 1865.) 



Cretaceous Reptiles of the United States. By Joseph Leidy, M.D. 

 Pp. 142 and twenty plates. (Published May, 1865.) 



These memoirs, which have all been described in previous reports. 

 Combined with section third of Professor Bache' s discussion and Dr. 

 Draper's article on the construction of a silvered glass telescope, 

 published in 1864, formed volume XIV of the "Contributions to 

 Knowledge," (490 pp., 25 plates,) which was distributed in part 

 during the past year. 



Of other quarto works in press in 1865, the following are nearly 

 ready for publication, and will constitute part of volume XV of the 

 " Contributions:" 



Astronomical, magnetic, tidal, and meteorological observations 

 within the arctic circle, by Isaac I. Hayes, M. D., reduced and dis- 

 cussed by C. A. Schott, of the U. S. Coast Survey. 250 pp., with 

 two charts and a number of diagrams. 



Investigation of the Orbit of Neptune, with general tables of its 

 motion. By Simon Newcomb, of the U. S. Naval Observatory. 

 Pp.116. 



The memoirs actually completed and issued in the year therefore 

 embraced 342 pp. and 25 plates, which, added to the 366 pp. stereo- 

 typed but not distributed, in the same period, makes an aggregate 

 of 708 pp. and 25 plates in quarto as the record of the year. 



The following works in octavo were also published or printed in 

 1865: 



Instructions relative to Ethnology and Philology of America. 

 Appendix A — physical characters of the Indian races ; Appendix B — 

 numerical systems. By George Gibbs. Pp. 18. (Published May, 

 18G5.) 



