Batrachospermum, 523. plants, 754. Beaver, 371. Blood fossil, 629. corpuscles, 188. Bolles, E. C., note by, 509. Boomer, mountain, 434, Botanical directory, 684. Brachyodon, 97. Brain, lowest mammalian, 312. Brooks, W. K., articles by, 144, 622. Buffalo, 165. Bunotheria, 751. Burgus latro, 72. Burial, 183, 197. California, botany of, 699. shell money of, 30, 344. Calkins, W. W., note on mollusks, 687. Caloptenus spretus, 22, 663. Calvin, S., article by, 471. Calycanthus, 304. Camæosaurus supremus, Canker worm, 190. 629. Carbonic acid, absorption of, by vegetable cell wall, 240. Carcinus monas, 241. Carpenter, P. P., obituary notice of, 504. Carpodacus purpureus, 276. Catastrophism, 449. Caton, J. D., on wild turkey, 321. Cells, tin, 572. Celtis occidentalis, 490. Celts, jadeite, 626. Cephalopoda, embryology of, 681. Certbia, 472. Cervus, 358. Chaulelasmus Couesii, 68. Chilomonas, 511. Chlorophyll, 175, 176. Chrysalis, change of colors in, 647. Chub, 149. Cirripedia, 108. Cladophora, 518. Cockroach, 243. Cod-fish eggs, development of unfertilized, 622. Colaptes, 471. Colcol, 344. Colorado, botany of, 573. geology of, 73, 681. Indians, ruins of, 264. spiders of, 367. Colors of animals, 641. insects, 641. Beal, W. J, on æstivation, 257; on fertilization of Compass plant. 255, 486, 564. Grasses, poisonous, 682. Gray, Asa, articles by, 42, 113, 366, 431. Gregory, J. J. H.. botanical note by, 114. Grote, A. R., articles by, 221, 242. Gryllus, teeth in crop of, 398. Guadalupe Island, birds of, 617. Gundlach, E., on new periscopic eye-piece, 632. Hagen, W. E., on philosopher's stone, 32. Halsted, B. D., articles by, 363, 364, 513. Hawock, 347. Hayden, F. V., U. S. Geological survey, 47, 73. Earth's axis, 499. Echidna, 444. Echinoids, 110. Heron, night, 616. Heliostat, 758. Helix, vitality of, 100. Eggs of vertebrates, development of unfertilized, Hen's egg, development of unfertilized, 622. 622. Herrick, C. L., note on Trenton limestone, 247- fur-bearing, 618. of United States, new, 492. Man, fossil, in Europe, 692. in the Pliocene, 689. Mantis, 650. Marcellus shales, 57. Marsh, O. C., articles by, 375, 689. Martindale, I. C., note by, 432. Philosophical Society of Washington, 126. Phoenicopteri, 40. Phyllotaxis of cones, 177. Pickerel, development of, without fecundation, 494. Mason, O. T., anthropological notes by, 118, 181, Pipa, branchiae of embryo, 491. 245, 308. Nostoc, 517. Nut-hatch, red-bellied. Pipilo megalonyx, 44. fossil, of America, 47, 186. of Nevada and Arizona, 335. protection of, against animals, 683. Plasma, passage of through membranes, 239, Polar colonization, 226. research, 696. Polarization, 53. Pollen, 54. Pomotis vulgaris, 151. Pontia rapæ, 647. Poocotes gramineus, 276. Pottery, Indian, 264. Pourtales, L. F. de, on flora and fauna of Florida Prehistoric remains, 125. Protective coloration, 641, 659. Protencephala, 313, 383. Pseudis, 587. Pterocles, 40. Pueblo Indians, 591, 735. Pulex, 756. Quail, 283. Rabies mephitica, 618. Reynolds, II. S., article by, 308. Rhododendron maximum, 306. Riley, C. V., article by, 663. Rockford shales, 57 Rodentia, 702. Roots, respiration of, 305. Russell, I. C., articles by, 11, 406. Ryder, J. A., on digital reduction, 603. Sager, A., on embryo reptiles, 566. Nutter, F. II., note on red-bellied nut-hatch, 566. Salt Lake, 121, 445, 570. Sanguinaria, three-flowered, 431. Saporta, Count G. de, articles by, 47, 184. Saurian, 629. Saxifraga Virginica, 366. |