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Сторінка xxviii
... Utricles as the primordial forms of all animal tissues ; by Dr. W. J. BURNETT . 6. On a new type of scales in Fishes ; by Prof. L. AGASSIZ . [ Not received ] . 7. On the relation of the distribution of Lice to the different Faunas ; by ...
... Utricles as the primordial forms of all animal tissues ; by Dr. W. J. BURNETT . 6. On a new type of scales in Fishes ; by Prof. L. AGASSIZ . [ Not received ] . 7. On the relation of the distribution of Lice to the different Faunas ; by ...
Сторінка 127
... UTRICLES AS THE PRIMORDIAL FORMS OF ALL ANIMAL TISSUES . By Dr. W. J. BURNETT , of Boston . With the promulgation of the cell - doctrines of Schwann and Schlei- den , morphological science immediately acquired a basis for it progress ...
... UTRICLES AS THE PRIMORDIAL FORMS OF ALL ANIMAL TISSUES . By Dr. W. J. BURNETT , of Boston . With the promulgation of the cell - doctrines of Schwann and Schlei- den , morphological science immediately acquired a basis for it progress ...
Сторінка 128
... utricle ; which last , by expansion , widened into a cell , inside of which was subsequently formed a nucleus by the ... utricles , or minute hollow spheres , having a membrane and contents . Granular matter , therefore , used in ...
... utricle ; which last , by expansion , widened into a cell , inside of which was subsequently formed a nucleus by the ... utricles , or minute hollow spheres , having a membrane and contents . Granular matter , therefore , used in ...
Сторінка 129
... utricles , instead of solid granules , the subsequent behavior can be well understood - such as their growth from almost indefinite points to distinct vesicles , and this by endosmosis through the albuminous membrane , and their ...
... utricles , instead of solid granules , the subsequent behavior can be well understood - such as their growth from almost indefinite points to distinct vesicles , and this by endosmosis through the albuminous membrane , and their ...
Сторінка 130
... utricles , from which the primary tissues arise , the utricular condition being most marked at those parts where the " animality " is highest , such as the nervous system . In the production of the caudate portion of the spermatic ...
... utricles , from which the primary tissues arise , the utricular condition being most marked at those parts where the " animality " is highest , such as the nervous system . In the production of the caudate portion of the spermatic ...
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A. D. BACHE AGASSIZ Albany alumina ammonia animals anthracite appears Association Astronomical atmosphere AUGUST 23 aurora B. A. GOULD body Boston Cambridge carbonic acid catalogue cells Charleston chloride Cincinnati circuit clock-pause coal Coast Survey color communication contain crystals curve direction discharge distance earth electricity electrotome error exhibited exist experiments fact feet fillet formula gastropods ground Gulf of Fonseca Haven height HENRY hydrochloric acid inches intervals iron Lake Lake Managua Lake Nicaragua Lieut light Louis magnesia magnet mass means meeting method miles mineral Mollusca motion nature Nemertes observations obtained ovum oxide paper pass-time phenomena Philadelphia Planariæ portion potash present Prof quantity registers remarkable rutile salts Section shells signals silica SILLIMAN solution species specimens Standing Committee stations sulphuric sulphuric acid surface telegraph temperature tion velocity volcano W. B. ROGERS Washington wire York
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Сторінка 168 - To conclude therefore, let no man, upon a weak conceit of sobriety or an ill-applied moderation, think or maintain that a man can search too far or be too well studied in the book of God's word or in the book of God's works ; divinity or philosophy; but rather let men endeavour an endless progress or proficience in both...
Сторінка 169 - ... let no man, upon a weak conceit of sobriety or an ill-applied moderation, think or maintain that a man can search too far or be too well studied in the book of God's word or in the book of God's works ; divinity or philosophy ; but rather let men endeavour an endless progress or proficience in both ; only let men beware that they apply both to charity, and not to swelling ; to use, and not to ostentation ; and again, that they do not unwisely mingle or confound these learnings together.
Сторінка 65 - I am happy to have it in my power to Say that my worthy friend Cap! Lewis is recovering fast, he walked a little to day for the first time, I have discontinued the tent in the hole the ball came out...
Сторінка xiii - The objects of the Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science In different parts of America, to give a stronger and more general impulse and more systematic direction to scientific research, and to procure for the labors of scientific men increased facilities and a wider usefulness.
Сторінка 326 - It will be observed that this argument rests entirely on the assumption that varieties occurring in a state of nature are in all respects analogous to or even identical with those of domestic animals, and are governed by the same laws as regards their permanence or further variation. But it is the object of the present paper to show that this assumption is altogether false...
Сторінка 170 - ... is not, in the library. He cannot be certain, even then, that the book is not in the collection, for it may have been received since the last appendix was printed. Supplements soon become intolerable. The whole catalogue must then be re-arranged and reprinted. The expense of this process may be borne, while the library is small ; but it soon becomes burdensome, nnd ere long insupportable, even to national establishments.
Сторінка 347 - The minutes of the last meeting were read by the Secretary, and approved. The following communications were then received : 1.
Сторінка 170 - ... not in the collection, for it may have been received since the last appendix was printed. Supplements soon become intolerable. The whole catalogue must then be rearranged and reprinted. The expense of this process may be borne so long as the library is small, but it soon becomes burdensome, and ere long insupportable even to national establishments. There is but one course left — not to print at all. To this no scholar consents except from necessity. But to this alternative, grievous as it...
Сторінка 179 - Thus we should have all our catalogues formed substantially upon one plan. Now, even if the plan adopted were that of the worst of our catalogues, if all were on the same plan, this uniformity would render catalogues, thus made, far more useful than the present chaos of irregularities.
Сторінка 176 - Antiquarian Society's Catalogue has been stereotyped, and the titles are placed under the care of the Smithsonian Institution, it is proposed to issue a new edition of the Catalogue of the Library of Congress. What inducements would there be for adopting this plan ? It has been the practice in this library to print a new edition of the catalogue every ten years, and to issue annual supplements. About one-fifth of the Catalogue has been printed five times ; two-fifths, four times, &c. Now, from what...