OF SMITHSONIAN PUBLICATIONS. 257 



Niituio — 



and iu-t, on tables of the constants of — C. Babbage. (R. 1856) 91 



and mechanism of lever. Toner lecture No. iv — H. C. Wood 282 



and origin of force— W. B. Taylor. (R. 1870) 244, 375 



of reparatory inflammation in arteries after ligature. Toner lecture No. 



VII E. O. SnAKESPKARK '. 321 



Nature — Sre Constants of Nature. 



Navajo Indians, language of, said to resemble Welsh — S. Y. McMasters. (R. 



18G5) S- 209 



Navajo Indians, sketch of the — J. Letterman. (R. 1855) 77 



Naval ofBcers, authority to, to receive and transmit specimens to Smithsonian... 34 



Navigation of Ohio and other rivers, improvement of — C. Ellet 13 



Navy Department, authority given by, to naval oflScers to receive and transmit 



specimens to the Smithsonian Institution 34 



Neah Bay, Washington Territory, description of two new species of fishes 



from— D. S. Jordan; C. H. Gilbert. (P. 1880) 425 



Nebraska — 



ancient fauna of — J. Leidy 58 



palaeontology of— F. B. Meek; F. V. Hayden " 172 



report on fossils from — J. Leidy. (R. 1851) 51 



Nebulse, index-catalogue of books relative to — E. S. Holdkn 311 



Nebulae, researches relative to the — Prof. Gautier. (R. 1863) 187 



Nebular hypothesis, bibliography of the — E. S. Holden .: 311 



Nematoda of northeast coast of North America — A. E. Verrill. (P. 1879)_- 333 



Nemertina of northeast coast of America — A. E. Verrill. (P. 1879) 333 



Nemichthys avocetta, new species of Nemichthys, description of — D. S. Jor- 

 dan ; C.H.Gilbert. (P. 1880) 425 



Neptune — 



ephemerides of, 1848, 1846-49, 1850, 1851, 1852— S. C. Walker. 4, 5, 6, 7, 24 



history of discovery of — B. A. Gould 18 



investigation of orbit of, with tables of its motion — S. Newcomb 199 



researches relative to — S. C. Walker 3 



secular variations of elements of orbit of — J. N. Stockwkll 232 



Nereis-Boreaii-Americana — W. H. Harvey: 



Part I. Melanospermece 32 



Part II. Rhodospermece 43 



Part III. C hlorospermece 95 



Parts I, II, III, complete 96 



Neritidaj, fresh-water — W. G. Binnky 144 



Nerve, polarized, effect of irritation of— -B. F. Lautenbach. (R. 1878)-. 341, 411 



Nervous system of Rana pipiens, anatomy of — J. Wyman 45 



Nests — 



and eggs of American birds, instructions for collecting — S. F. Baiud. 



(R. 1858) 109, 139 



17 



