OF SMITHSONIAN PUBLICATIONS. 275 



PiSKO, F. J. Present fundamental principles of physics. (R. 1879) 345 



Pitcher plant, new, {Darlingtonia Californica,) from California — J. Torrey ._ 61 



Pits at Embarrass, Wisconsin— E. E. Breed. (R. 1877) 323 



Pittsburg, on Des Moines river, composition of ancient pottery found at — R. 



N. Dahlberq; C. Dahlberg. (R. 1879) 345 



Plan of— 



a bibliography — J. Friedlander. (R. 1858) 109 



organization and regulations of U. S. National Museum — G. B. Goode. 



(P. 1881) 467, 445 



research upon the atmosphere — C. M. Wetherill. (R. 1866) 214 



Smithsonian exhibit at Centennial— S. F. Baird. (R. 1875) 298 



Planet — See Neptune, Uranus. 



Planetary — 



disturbances, lecture on— E. S. Snell. (R. 1855) 77 



motion, general integrals of — S. Newcomb 281 



motion, perturbative function of, tables for determining values of coeffi- 

 cients in — J. D. RuNKLE 79, 94 



orbits, secular variations of elements of — J. N. Stockwell. (R. 1871.) 



249, 232 

 Planetoids — See Asteroids. 



Planets — 



between Mars and Jupiter — Prof. Lespiault. (R. 1861) 149 



between Mars and Jupiter, lecture on — E. LooMis. (R. 1854) 75 



occultations of — See Downes, J. 



Planisphere of the visible heavens for observations of meteoric displays 359 



Plans for the installation of collections in the U. S. National Museum — G. B. 



Goode. (P. 1881) 467, 472 



Plans of the Smithsonian building — R. D. Owen P 



Plantae Fremontianse — J. Torrey 46 



Plantse Wrightianse Texano-Neo-Mexicana3. Parts i, ii — A. Gray 22, 42 



Plantamour, E. Report on transactions of the Society of Physics and Natu- 

 ral History of Geneva, July, 1864, to June, 1865; July, 1874, to June, 



1875. (R. 1865; R. 1877) 209, 323 



Plants — 



collected by J. C. Fremont in California — J. Torrey 46 



cryptogamous, present state of knowledge of — W. Reichardt. (R. 1871.) 249 



dates of blossoming of— F. B. Hough 182 



dates of defoliation or fall of leaf of— F. B. Houou 182 



dates of foliation of— F. B. Hough 182 



directions for collecting and preserving — L. F. Ward 460 



of Arctic America, descriptions of — A. Gray 342 



of Texas, New Mexico, and Mexico, collected by 0. Wright — A. Gray. 22 



of upper Missouri, list of— T. C. Porter. (R. 1850) 28 



of Washington, check-list of — L. F. Ward 461 



