272 ALPHABETICAL INDEX 



Pepin, Lake, antiquities on the banks of— L. C. Estes. (R. 1866) 214 



Perca flitvescens, notes on — F. Steindachnkr. (P. 1878) 332 



Perc'idffi, notes on — D. S. Jordan 306 



Perennibrancbiates, acknowledgment of— J. G. Fisher. (E. 1863) 187 



Periodical phenomena — 



directions for registry of 148 



observations on, 1851 to 1859 — F. B. Hough 182 



registration of— J. Henry. (E. 1855) 77 



registrj' of 65, 148 



Periodicals — 



deposited in Library of Congress, meteorological articles in. (E. 1873 ) 275 

 in Library of Smithsonian Institution. Parts r,ii; foreign works ; 1866. 



73, 85, 117, 179 



received by the Institution, list of. (E. 1880j 442, 436 



received in reading-room of Smithsonian Institution in 1853, check-list of. Q 



Perrine, T. M. Antiquities of Union county, Illinois. (R. 1873) — 275 



Perrine, T. M. Mounds near Anna, Union county, Illinois. (E. 1872) 271 



Persistence of images— F. N. Moiono. (E. 1866) 214 



Perspiration and respiration, apparatus for testing results of — M. Pettenkofkr. 



(E. 1864) 188 



Peru — 



earihquake in, August 13, 1868— J. V. Campbell. (E. 1870) 244 



Indiansof— F. L. Galt. (E. 1877) 323 



Olmos, total eclipse of sun, September 7, 1858, observed near — J. M. 



GiLLIS.S 100 



Peslin, M. Relation between barometric variations and general atmospheric 



currents. (E. 1877) 323,398 



Peter, E. Ancient mounds in Kentucky, (E. 1872) 271 



Peter, E. Ancient mound near Lexington, Kentucky. (E. 1871) 249 



Petite Anse Island, salt deposit on — E. W. Hilqard 248 



Petitot, E. Account of the Indians of British America. (E. 1865) 209 



Petrel, supposed new, from Sandwich Islands, description of — E. Eidoway. 



(P. 1881) 467 



Petroleum collections, circular in reference to — S. F. Baird. (P. 1881) ._ 467, 447 



Petroleum or rock oil, history of— T. S. Hunt. (E. 1861) 149 



Pettenkofer, M. Apparatus for testing the results of perspiration and res- 

 piration. (E. 1864) 188 



Pettigrkw, J. B. Modes of flight in relation to aeronautics. (R. 1867) 215 



. Phajn-'gamia of Kerguelen Island — A. Gray 294 



Phulangidae, instructions for collecting— H. C. Wood. (R. 1866) 214 



Phenomena — 



accompanying the propagation of electricity in highly rarefied elastic 



fluids— A. Dk La Eive. (E. 1863) 187 



in telegraphic lines during the aurora borealis — G. B. Donati. (E. 1872.) 271 



