18 



Coleoptera, Le Conte, list 140 



Coleoptera, Le Conte, new species 1G7 



Coleoptera, Melsheimer, catalogue 62 



Comparative vocabulary 170 



Conchologj, Binney, bibliography. .142, 174 



Congress, acts of B. C. N. 0., 67 



Conrad, check list, fossils, eocene 200 



Consanguinity, systems of 218 



Converging series, Ferrel 233 



Cope, families of reptiles 231 



Corbiculadse, Prime 145 



Correspondents, domestic 69, 238 



Correspondents, foreign 64, lo4, 22-5, 243 



Cottoids, Girard 30 



Cretaceous fossils. Meek 177 



Cretaceous reptiles, Leidy 192 



Dakota grammar and dictionary 40 



Dallas, address, corner-stone D 



Darlingtonia Californica, Torrey 61 



Davis, flood-tide 33 



Dean, medulla oblongata 173 



Diptera, Loew, monograph 141, 171 



Diptera, Osten Sacken, catalogue 102 



Diptera, Osten Sacken, monograph 141, 171, 



219 



Directions, collecting specimens 34 



Directions, meteorological observa- 

 tions 19, 148 



Downes, occultations 8, 9, 10, 11, 29, 54 



Draper, telescope in photography 180 



Drift, Whittlesey 197 



Eclipse 66, 100, 101 



Eggs, circular 139 



Eggs, instructions for collecting 139 



Egleston, catalogue minerals 156 



Electrical rheometry, Secchi 36 



EUet, physical geography Mississippi 



valley 13 



Entomologists, circular to 178 



Eocene fossils, Conrad 200 



Ethnology, circular 205 



Ethnology, instructions relative to 160 



Exchanges, list of, part 1 73 



Exchanges, list of, part 2 85 



Exchanges, list of, to 1858 117 



Exploring expedition, duplicate shells. 193 



Fauna and flora, Leidy 44 



Ferrel, converging series 233 



Fire-ball, Coffin 221 



Fishes, circular 234 



Fishes, families of. Gill 247 



Fishes, Girard on cottoid 30 



Flood-tide, Davis 33 



Flora and fauna, Leidy 44 



Force, record of auroras 84 



Foreign correspondents, list of. 64, 154, 225, 



243 



Fossil ox, Leidy 41 



Fossils, check list, Conrad 200 



Fossils, check list, Meek 177, 1S3 



Fremont, plants 46 



Genth and Gibbs, ammonia-cobalt bases 88 

 Geology, China and Japan, Pumpelly.. 202 



Geology, Hitchcock 90 



Gibbes, mosasaurus 14 



Gibbs and Genth, ammonia-cobalt bases 88 



Gibbs, Chinook jargon 161 



Gibbs, ethnological instructions 160 



Gill, families of fishes 247 



Gill, families of mammals 230 



Gill, families of mollusks 227 



Gilliss, solar eclipse, Peru 100 



Girard, Bibliography Nat. Hist 4^ 



Girard, cottoids 30 



Girard and Baird, catalogue, serpents.. 49 



Girard College, observations... 113, 121, 132, 



162, 175, 186, 195 



Glacial drift, Whittlesey 197 



Gliddon mummy-case, Pickering 208 



Gould, Neptune 18 



Gould, transatlantic longitude 223 



Grasshopper, circular 163 



Gray, Plantse Wrightianse 22, 42 



Guyot, meteorological and physical 



tables 31, 153 



Guyot, meteorological directions 19, 148 



Hagen, synopsis neuroptera 134 



Haldeman, coleoptera 62 



Hare, explosiveness of nitre 17 



Harkness, magnetic observations 239 



Harvey, Algse 32, 43, 95, 9G 



Haven, archaeology 71 



Hayden and Meek, palseontology upper 



Missouri 372 



Hayes, Arctic observations 106 



Heights, circular 236 



Henry, Professor, exposition of Smith- 

 son's bequest E 



Henry, Professor, magnetic telegraph .. 115 

 Hildreth, meteorological observations. 



Marietta 120 



Hilgard, geology of Louisiana 248 



Hill, solar eclipse 101 



Hitchcock, surface geology 90 



Iloek, meteoric shower 217 



Hudson's Bay, circular 137 



Hydrobiiuse, Stimpson 201 



