Brackett, R. N., The peridodites of Pike Co., Ark........... Branchipus, new species from Indiana.......................... Branner, J. C., The age and correlation of the mesozoic rocks of the Sergipe- Alagoas basin of Brazil........................ The age of the crystalline rocks of Arkansas.. The peridodites of Pike Co., Ark.................. Brinton, D. G., A limonite human vertebra from Florida..................... On the alleged Mongoloid affinities of the American race..... Bristol, W. H., A new indicating or self-registering barometer (experimental A new indicating or self-registering thermometer (experimen. PAGE 188 286 187 188 188 325 323 325 324 91 90 A new pressure indicator or recorder (experimental model)... 68 Broadhead, G. C., title of paper..... Britton, N. L., title of paper...... Butler, A. W., Observations on the housebuilding habit of the muskrat.... 289 222 289 Callitriche, inflorescence of........... Campbell, D. H., The systematic position of the Rhizocarpeæ.. Carbon monoxide, poisoning by............... Cash account of Permanent Secretary. Cast iron, influence of aluminum upon.. Chandler, S. C., title of paper....................... Charcoal production..... Cincinnati, ancient channel of the Ohio at..... Civilization of Northwest America, development of.............................................. ... Executive Proceedings.. Local Committee.... - Officers --Statistics.. Ohio, Lake Erie water... Colorado, oil fields of......... Color of the sky, photographic experiments... Combustion, methods of organic analysis by. Committee on anatomical nomenclature with special reference to the indexing chemical literature, report............ international congress of geologists, report,....... the preservation of archæologic remains on the public to secure from congress the abolition of the duties on scientific books and apparatus imported into this country, report.. Deception, psychology of.. 208 394 ............ lxxxvii, 409 328 152 Denton, J. E., On the influence of moisture in steam upon the steam con- sumption per pound, of engines of less than fifty pounds...... Relative economy of high speed engines of less than fifty Dow, H. H., title of paper....................... Dudley, W. L., Some modifications of the methods of organic analysis by combustion................... Dynamical units.... Dynamometer, floating.. Earthquakes, intensity of........ Economic engineering, science of... 152 152 124 284 367 79 94 379 368 131 129 81 87 Electric current, experiment on direction and velocity................ Entomological club, abstract of proceedings of Cleveland meeting.. memoranda......... Eruptive rocks of Minnesota............................. Ethers, propylidene di-ethyl and di-methyl... Evolution, phase of....... Executive Proceedings..... Farquhar, H., Economic value of binary arithmetic.... Fashay, P. M., title of paper.......... Fellow, honorary......... Fellows..... elected at Cleveland meeting Fernow. B. E., Need of a forest administration for the United States....... Fish, chemistry of....... Flora of eastern and western Michigan.......... Florida, limonite human vertebra from....... Flowers, cause and significance of dichogamy in...... Flying squirrels of Nebraska, color variations...... Food supply of the future and the doctrine of Malthus.. Foote, H. C, remarks by....................... Fossil wood and lignites of the Potomac formation.......................... 190 367 85 395 289 212 126 283 401 368 222 lxvi, 412 lxvi 412 359 130 288 325 284 287 378 415 206 Fort Union group at Montana, vegetable organism from........ 199 206 lxvi title of paper......................... Friction, effect of, at the connecting rod bearings on the forces transmitted.. General Secretary, report................... Geologic terranes, use of fossils in determining the age of.................... Geometric figure, method of representing the imaginary elements of.................. Granites of the Northwestern states and their general lithologic characters.. Hall, C. W., The distribution of the granites of the northwestern states and - Halsted, B. D., Pollen germination and pollen measurements Hampe's method of determining CuO in metallic copper............. Harkness, Wm., On the value of the solar parallax deducible from the Amer- Hay, O. P., Notice of a supposed new species of Branchipus from Indiana... Heat, diffusion of, in homogeneous rectangular masses.. Hill, C. S., The science of economic engineering Shipbuilding and shipping as a national economic.. R. T., title of paper..... Horton, S. D., The parity of moneys as regarded by Adam Smith, Ricardo and Mill.... Hough, G. W., title of paper.... Howland, E. P., Best methods of making instantaneous photographs during both day and night. Illustrated by experiments and pro- Description of a new and improved dissolver for the magic ........ Some new experiments in producing anæsthesia with nitrous oxide and air, and nitrous oxide and oxygen in condensed air-chambers, Hyde, E. W., title of paper............................ Hydrangea, study of, as to the objects of cross-fertilization..... Illumination, obliteration from....... Incandescent lamps as machines for transforming electrical energy into the 91 16 Jacobus, D. S., Effect of friction at the connecting rod bearings on the forces transmitted........... General solution of the transmission of force in a steam engine, 153 134 196 222 328 Kansas, rock-salt in...... Keep, W. J., The influence of aluminum upon cast-iron........ 206 328, 329 Knowlton, F. H., The fossil wood and lignites of the Potomac formation..... Lachnosterna, sexual characters of the species........ Lake Cheyenne, evidence that it continued till the ice age.. Landreth, O. H., The economical production of charcoal for blast furnace pur- 285 202 127 145 131 ............ 1, 410 401 Libbey, Wm., jr., Some of the characteristics of the Yakutat Indians of Alaska Leverett, F., On the occurrence of the "forest bed" beneath intra-morainic 317 Mabery, C. F., The influence of aluminnm upon cast iron..... W. P., Fatal poisoning by carbon monoxide............................................................................. Meehan, T., Adaptation in the honeysuckle, and insect visitors......... A study of the Hydrangea, as to the objects of cross-fertilization - Some new facts in the life-history of Yucca and the Yucca moth.. 284 Meetings and officers for 1889..................................... order of proceedings...... Meetings and officers of association of geologists and naturalists. Meetings, comparative attendance at............... Members....... deceased.......... Mendenhall, T. C., Lecture by......................... On dynamical units..... 81 On the effect of the added term of the equation of the quad- 86 190 187 Missouri, terraces of............................................. Moneys, parity of....................... Moore, J. W., titles of papers........ Morainic drift, the "forest-bed" beneath...... tions of the energy involved................ Mesozoic rocks of the Sergipe-Alagoas basin of Brazil.......... Merritt, E., Incandescent lamps considered as machines for transforming Metallic bar, method of determining the emissivity of... Michelson, A. A., Address...... title of paper.... Michigan, comparison of the flora of Eastern and Western.. Minnesota, eruptive rocks of............ valley, horizons of oil and gas in.. ............. Montana, vegetable organism from the Fort Union group........ Morgan, F. H., Preliminary note on the final product of the action of concen- trated sulphuric acid on sugar........ 130 Preliminary note upon iodine as a reagent in the analysis of 129 Some notes of progress in chemical methods of water analy sis with especial reference to the ammonia process....................... Nicaragua canal: its general features and the results anticipated from its con- Nichols, E. L., On an experiment bearing upon the question of the direction |