N. B. — New genera and species are in Italics.
Academy, manuscript pamphlets referring to early meetings of the,
349.
Acicalyptus, 127.
Acids, Fatty, on the oleic acid series of, 349.
Agassiz, Louis. Diversity of origin of human race, 7. On the
Allantois, 15. On organic tissues, 21. Cyprinodonts, 42. On
cell-segmentation, 46. On cartilaginous fishes, 63. Cestracion, 65.
New red sandstone, 69. Phenomena accompanying the first ap-
pearance of a circulating system, 166. Classification of Polyps,
187. Classification in Zoology, 221. Orthagoriscus Mola, 319.
The glanis of Aristotle, 325. On the general characters of orders
in the classification of the Animal Kingdom, 346. On the death of
Francis C. Gray, 347. On the correspondence of different stages
of embryonic development with the different stages of geological
succession, 353. On De Beaumont's theory, 355. The order to
which Ammonites belong, 356. The family of Naiades, 378.
Ages of trees, as known from their rings, 335.
Allantois, on the formation and function of the, 12.
Alsia, 184.
Californica, 185.
Aluminum, 127, 221, 255.
Amaroria, 51.
Ammonites, to which order of the Cephalopoda do they belong ? 356.
Anhalonium, 270.
Anorthoscope, 162.
Aphides, researches on the development of, 55.
Arago, François, decease of, 62.
Ariocarpus, 270.
Arrowroot, 116.
Arsenic, octohedral crystals of, 204.
Astronidium, 53.
Astronomical Journal, 5.
Atomic weights of the elements, 83.
Atomic weights, the numerical relation between the, with some
thoughts on the classification of the chemical elements, 90.
Babbage's Calculating Engine, 389.
Bacon, J. Observations on the oil contained in the Crustaceans found
in the Cochituate water, 178.
Beck, Charles. Petronius Arbiter, 254.
Bigelow, Jacob. On epidemics, 35. The cause of the death of
Pliny the Elder, 336.
Binocular combination, 213.
Bioscope, on the, 106.
Bleeders, 61.
Bond, G. P. Observations for curves of terrestrial magnetism, 186.
Planet Saturn, 186. Disturbance of the horizontality of the axis of
the Great Equatorial at Cambridge, 194. Effect of the Moon's
attraction, 194. On the use of equivalent factors in the method of
least squares, 251. The results of the photography of the stars
Mizar and Alcor, 386.
Brackenridgea Hookeri, 51.
nitida, 51.
BURNETT, W.J. Formation and function of the Allantois, 12. On
cartilaginous and osseous tissues, 17. On the signification of cell-
segmentation, and the relations of this process to the phenomena of
reproduction, 43. Researches on the development of the Aphides,
55. On the intimate structure of muscle, 61. On the development
of organs, 64. Decease of, 163.
Cactaceæ, synopsis of the, of the Territory of the United States, 259.
Additions, 345.
Cactus, spec., 259, 264, 299, 301, 306.
Cactus Region, geography of the, of the United States, 311.
Calculating Engine of Babbage, 389.
CALDWELL, George C. On the oleic acid series of fatty acids, 349.
Carbonaceous deposit, 379.
Cell-segmentation, on the signification of, 43.
Cereus, 278.
Subgen. Echinocereus, 278.
acifer, 284,
adustus, 280.
Berlandieri, 286, 314.
cæspitosus, 280.
chloranthus, 278.
conoideus, 284.
ctenoides, 279.
dasyacanthus, 279.
dubius, 282.
Engelmanni, 283.
enneacanthus, 282.
Fendleri, 281.
gonacanthus, 283.
hexaedrus, 285.
longisetus, 280.
Mojavensis, 281.
paucispinus, 285.
pectinatus, 279.
pentalophus, 314.
phæniceus, 284.
polyacanthus, 284.
procumbens, 286.
Remeri, 285.
rufispinus, 280.
stramineus, 282.
triglochidiatus, 283.
tuberosus, 286.
viridiflorus, 278.
Subgen. Eucereus, 286.
Emoryi, 286.
Greggii, 287.
variabilis, 287.
VOL. III.
Subgen. Lepidocereus, 287.
giganteus, 287.
Thurberi, 288.
Subgen. Pilocereus, 288.
Schottii, 288.
Cestracion, 65.
CHANNING, W. F. On photographic pictures, 2. On the velocity of
sound, 26. On the Ericsson engine, 32. On Magneto-electric
machines, 90.
Chemical analysis, apparatus for, 70.
Chemical interest, on some points of, connected with the manufacture
of ductile iron, 341.
Circulating system, on the phenomena accompanying the first appear-
ance of, 166.
Cochituate water, change which has taken place in, 173.
Cochituate water, oil contained in the Crustaceans found in the, 178,
252, 253.
Coins of Athens, 215.
Coke of Richmond, 106.
Cole, THOMAS, decease of, 10.
COMMUNICATIONS from
Agassiz, L., 6, 7, 23, 42, 46, 63, 65, 69, 85, 166, 185, 187, 192,
194, 204, 221, 319, 325, 347, 353, 356, 379.
Bacon, J., 178.
Beck, Charles, 254.
Bigelow, Jacob, 336.
Bond, G. P., 186, 194, 251, 386.
Bowen, Francis, 357.
Burnett, W. J., 12, 17, 43, 55, 61, 64.
Caldwell, George C., 349.
Channing, W. F., 2, 26, 32, 90.
Cooke, J. P., 70, 83, 86, 90, 159, 204.
Durkee, Silas, 168, 320.
Engelmann, George, 259, 311.
Eustis, H. L., 10, 22, 251.
Felton, C. C., 173, 210, 215, 333, 371.
Gould, A. A., 61, 109, 253.
Gould, B. A., Jr., 47, 131, 167.
Gray, Asa, 34, 41, 48, 73, 90, 94, 127, 159, 166, 181, 258, 335.
Hall, James, 204.
Hayes, A. A., 85, 92, 108, 162, 173, 190, 198, 199, 221, 322,
336, 341, 355, 379.
Hayward, George, 60.
Henry, Joseph, 198.
Hitchcock, President, 3, 325.
Holmes, O. W., 5, 334, 355.
Horsford, E. N., 34, 88, 89, 109, 127, 185, 321, 364.
Hunt, T. S., 192.
Jackson, Charles, Jr., 31.
Jackson, C. T., 68, 162, 193, 196, 252, 255, 322.
Jenks, Dr., 320.
Kneeland, Dr., 108.
Leidy, Dr., 10.
Lovering, Joseph, 22, 38, 106, 107, 160, 169, 187, 206, 225, 229,
320, 383.
Peirce, Benjamin, 8, 9, 10, 25, 28, 31, 37, 64, 67, 83, 85.
Pickering, Dr. C., 382.
Rogers, William B., 81, 106, 186, 213, 220, 315, 319.
Sequard, Brown, 24.
Treadwell, D., 33, 91.
Winlock, Joseph, 25.
Wyman, Jeffries, 9, 25, 35, 60, 61, 68, 89, 162, 167, 255.
Wyman, Morrill, 11.
Conservation of force, 389.
Contractility, cause of, in vegetable tissues, 167.
Cooke, J. P. Apparatus for conducting filtration in vacuo, 71. On
atomic weights of the elements, 83. On a crystal of rhombic
arsenic, 86. The numerical relation between the atomic weights,
with some thoughts on the classification of the chemical elements,
90. On stibiobizincyle and stibiotrizincyle, 159. Octohedral crys-,
tals of arsenic, 204.
Corn-starch, 112.
Crystal of rhombic arsenic, 86.
Culex pipiens, 168.
Curves, on relation of, 83.
Cyprinodonts, fam., 42.
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