The American Journal of Science and ArtsS. Converse, 1855 |
Dentro del libro
Resultados 1-5 de 100
Página 7
... already known , although the exact ratios deduced from the tables may hereafter be much modified . I. The Tetradecapoda are far more numerous in extra - tropical latitudes than in the tropical . The proportion in the table is 521 : 146 ...
... already known , although the exact ratios deduced from the tables may hereafter be much modified . I. The Tetradecapoda are far more numerous in extra - tropical latitudes than in the tropical . The proportion in the table is 521 : 146 ...
Página 20
... already numerous analyses of this mineral , we are not yet arrived to a certainty with regard to its composi- tion . This is owing to various causes , principally , I suppose , to the fact that analysts have in most cases not taken the ...
... already numerous analyses of this mineral , we are not yet arrived to a certainty with regard to its composi- tion . This is owing to various causes , principally , I suppose , to the fact that analysts have in most cases not taken the ...
Página 31
... already possessed of the phe- * From " Observations made at the Magnetical and Meteorological Observatory at Hobarton , in Van Dieman Island , " vol . iii , Introduction . - Phil . Mag . , Oct. , 1854 . nomena over a considerable ...
... already possessed of the phe- * From " Observations made at the Magnetical and Meteorological Observatory at Hobarton , in Van Dieman Island , " vol . iii , Introduction . - Phil . Mag . , Oct. , 1854 . nomena over a considerable ...
Página 36
... already become inconsiderable ; and it is gen- erally greater in the northern than in the corresponding southern latitudes . The exact contrary is the case on the Atlantic side and in the region of the Trades ; for here the annual ...
... already become inconsiderable ; and it is gen- erally greater in the northern than in the corresponding southern latitudes . The exact contrary is the case on the Atlantic side and in the region of the Trades ; for here the annual ...
Página 40
Feeling ourselves the importance of making additions to the researches already brought forward on the composition of eggs , we have undertaken this task together , the questions which it raises being partly zoological and partly ...
Feeling ourselves the importance of making additions to the researches already brought forward on the composition of eggs , we have undertaken this task together , the questions which it raises being partly zoological and partly ...
Contenido
1 | |
13 | |
24 | |
31 | |
38 | |
48 | |
55 | |
71 | |
385 | |
391 | |
397 | |
411 | |
418 | |
430 | |
443 | |
449 | |
107 | |
121 | |
130 | |
144 | |
145 | |
164 | |
176 | |
183 | |
212 | |
232 | |
234 | |
243 | |
252 | |
263 | |
270 | |
297 | |
318 | |
349 | |
354 | |
371 | |
1 | |
45 | |
53 | |
65 | |
72 | |
85 | |
99 | |
112 | |
118 | |
135 | |
151 | |
168 | |
281 | |
375 | |
394 | |
406 | |
416 | |
455 | |
Otras ediciones - Ver todas
Términos y frases comunes
acid alcohol Allanite American ammonia analysis angle animal appears atmosphere Azoic bodies carbonic carbonic acid cells character chemical chlorid color compound contains copper corresponding crustaceans crystalline crystals described diamagnetic earth ecliptic ecliptic currents eggs ether existence fact feet fish formation formula fossils genera genus Geological gives Hauer heat hydrochloric acid inches iron Journal Kenngott Lake limestones liquid lower magnesia magnetic mass Mastodon matter mean meridian metallic meteoric stones meteorites miles mineral nature nearly needle North observations obtained organic origin oxyd oxygen pharyngeal phenomena plane plants plates portion posterior present probably Prof pyrites quantity Rafinesque rays regard remarkable resembling River rocks sandstone Schreibersite SECOND SERIES seen silica Silurian solution species specific gravity specimens substance sulphur surface teeth tellurmethyle temperature tion tooth vapor variations vegetable individual velocity volume
Pasajes populares
Página 4 - I mean stock to remain in this country, to the United States of America, to found at Washington, under the name of the Smithsonian Institution, an establishment for the increase and diffusion of knowledge among men.
Página 6 - ... as they shall deem best suited for the promotion of the purpose of the testator, anything herein contained to the contrary notwithstanding.
Página 12 - And the said regents shall make, from the interest of said fund, an appropriation, not exceeding an average of twenty-five thousand dollars annually, for the gradual formation of a library, composed of valuable works pertaining to all departments of human knowledge.
Página 453 - Gift of the State of New York. 13034, 0. 5. Sixth annual report of the Regents of the University of the State of New York on the condition of the State Cabinet of Natural History, &o.
Página 8 - Resolved, That hereafter the annual appropriations shall be apportioned specifically among the different objects and operations of the Institution in such manner as may, in the judgment of the Regents, be necessary and proper for each, according to its intrinsic importance, and a compliance in good faith with the law.
Página 300 - An Introduction to Practical Astronomy, with a collection of Astronomical Tables ; by Prof. ELIAS LOOMIS, LL.D., &c. — Every cultivator of practical astronomy must have felt the want of some treatise embracing within moderate compass the requisite formulae and tables, together with descriptions of the most approved instruments and methods of observation.
Página 316 - Temple, which afforded a good view of the entire scene. On a sudden, all traffic in the thronged mart was suspended, porters cleared the front street of every description of merchandise, boatmen ceased lading and unlading their vessels, and put out into the middle of the stream, so that a few moments sufficed to give a deserted appearance to the busiest part of one of the busiest cities of Asia.
Página 299 - Parallel of latitude lying between Dona Ana on the Rio Grande and Pimas Villages on the Gila ; by Lieut.
Página 2 - House whether the Smithsonian Institution has been managed, and its funds expended, in accordance with the law establishing the Institution ; and whether any additional legislation be necessary to carry out the designs of its founders, and that said committee have power to send for persons and papers.
Página 179 - ... of the point. Grains of sand were thus pouring over the rocks in countless myriads, under the influence of the powerful current of air which seems to sweep constantly through this pass from the ocean to the interior. Wherever I turned my eyes, — on the horizontal tables of rock, or on the vertical faces turned to the wind, — the effects of the sand were visible: there was not a point untouched, — the grains had engraved their track on every stone. Even quartz was cut away and polished;...