Proceedings of the American Academy of Arts and Sciences, 26. kötetAmerican Academy of Arts and Sciences., 1891 |
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achenes acuminate acute acutish alcohol Algæ amount appears arsenic atomic weight axis base blade boiling Boston bracts branches bulbosa calyx Cambridge capsule cells Chem chloride Choreocolax color corolla cryptostomata crystals cupric oxide cupric sulphate cystocarp described diameter doublet dried elongated ester ether experiments fermentation flask flow function flowers frond glabrous grams H₂O hapteres heat holdfast hydrogen ignition inches long involucre iron kephir Kiowa County Kjellman Laminaria Laminaria dermatodea lanceolate layer leaves less lines broad lines long lobes lorea melting method motor Nahant nearly nitric acid obtained obtuse olivine ovate pallasites paper pedicels peduncles petioles Phyllaria Polysiphonia portion potassic primitive disk pubescent rhizogen Saccorhiza dermatodea salt San Luis Potosi sessile slender sodic carbonate soluble solution species specimens spores stamens stipe sulphuric acid temperature tetraspores tion troilite tube yeast yellow young plant
Népszerű szakaszok
129. oldal - Nevins is eight feet long, with some of the leaves four feet in length. The anthers are mostly arranged in vertical pairs, alternating with solitary ovaries. The seed is remarkably distinct from that of Z. marina, which is shorter, oblong, terete, and conspicuously 20-striate. The species has been described by Mr. Morong (Torr. Bull. 13. 160) as Z. marina, var. (?) latifolia. 2. Descriptions of new Mexican Species, collected chiefly by Mr. CG Pringle in 1889 and 1890.
114. oldal - ... f Turning now to the observations of Hertz, we find it stated that the material, the resistance, and the diameter of the wire of the micrometer circuit employed by him, have very little influence on the result The rate of propagation of an electrical disturbance along a conductor depends mainly on its capacity and coefficient of self-induction, and only to a small extent on its resistance. Hertz concludes that, owing to the great rapidity of the alternations, the magnetism of the iron is unable...
11. oldal - ... they were passed down through successive generations. Provided that the original owners of our Prehistoric meteorite had associations with China, still there is no reason for supposing that they had any communication with Siberia. Nevertheless, can it be considered much more remarkable that a Siberian meteorite should be found on an altar in an Ohio mound, than that a pipe of the red indurated clay, found only on the Pipe Stone Branch of the Little Sioux River of the Missouri, should be picked...
333. oldal - He inherited a distinguished name, and his labors have rendered it memorable aud illustrious, — one of the brightest in the annals of American surgery, — not to claim for it a still higher place in the history of the healing art.
156. oldal - in the Report of the New York State Agricultural Society for 1878, gives a statement which Roezl, the well known German collector, made to him in 1869 to this effect: that "he found in the State of Guerero a Zea which he thinks...
347. oldal - Its style is lofty and eloquent, written with candour, neither exaggerating vices of character, nor reviving national animosities, but rendering a just tribute to virtue, wherever found.
156. oldal - Some of the peculiarities of this remarkable corn were noted at the time, but nothing more was done until last year, when an attempt was made to grow it at the Botanic Garden, Cambridge, with quite unexpected results. The corn was planted early under glass, and as soon as danger from frosts was over the plants were transferred to a warm sunny location, where they soon began to grow vigorously and to send out numerous offshoots from the base. These " suckers" grew as rapidly as the main stalk, so...
315. oldal - That the sum of two hundred dollars be appropriated to defray the expenses of the social meetings of the Academy for the present year.
330. oldal - But he would get what he wanted out of a book as dexterously, as neatly, as quickly, as a rodent will get the meat of a nut out of its shell. In the address before spoken of, on the use of imagination in science, he handled his rapidly acquired knowledge of the great authors he cited so like an adept in book lore that one might have thought he was born in an alcove and cradled on a book-shelf.
323. oldal - Ether and Chloroform: a Compendium of their History, Surgical Use, Dangers, and Discovery. 1848. On the Employment of a New Agent in the Treatment of Stricture of the Urethra.