INDEX. 



355 



Petersen's second comet, 140, 147. 



Phonetics, essentials of, review of, 165. 



Phyllohraiichus, gen., Agassiz, 270. 



Pickering, Charles. Table of the Egyptian computation of time, 



164, 225. 

 Planetary motion, perturbative function of, 241. 

 Planets, masses of, 250. 

 Planets, periods of, 241. 

 Planets, rings of, 264. 

 Plantse Fendlerianse Novi-Mexicanae, 5. 

 Plants of New Mexico, 6. 

 Platygonus compressus, Le Conte, 1. 

 Polyphemidse, fam., 47, 49. 

 Polyphemus, gen., 49. 



brevicaudis,!)., 49. 

 Pontella, gen., 10, 26. 



acuta, Dana, 30. 



acutifrons, D., 30. ' 



agiliSy D., 30. 



argentea, D., 33. 



hrachiata, D., 27. 



contracta, D., 28. 



crispata, D., 29. 



curia, D., 28. 



detonsa, D., 33. 



detruncata, D., 29. 



elliptica, D., 27. 



emerita, D., 31. 



exigua, D., 30. 



fera, D., 34. 



frivola, D., 33. 



hebes, D., 32. 



media, D., 29. 



perspicax, D., 32. 



plumata, D., 27. 



princeps, D., 34. 



protensa, D., 32. 



regalis, D., 31. 



rubescens, D., 31. 



