Journal of the New-York Microscopical Society, 5-6권The Society, 1889 |
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4 페이지
... Plants , and ( 4 ) of Animals . In the vegetable and animal kingdoms we have followed Linnæus , in regarding the inhabitants as ... plant character- istics . The same impossibility exists as to dividing all 4 [ January , JOURNAL OF THE.
... Plants , and ( 4 ) of Animals . In the vegetable and animal kingdoms we have followed Linnæus , in regarding the inhabitants as ... plant character- istics . The same impossibility exists as to dividing all 4 [ January , JOURNAL OF THE.
5 페이지
... plant worlds . On the other hand , some insisted that it should be shown to be positively and exclusively conso- nant with every known fact . There are intelligent people who still stand upon this narrow ground . Many scientific men ...
... plant worlds . On the other hand , some insisted that it should be shown to be positively and exclusively conso- nant with every known fact . There are intelligent people who still stand upon this narrow ground . Many scientific men ...
9 페이지
... plants , which stand at the lowest point in the scale of organiza- tion , have originated , and still originate , by spontaneous generation . " All of these extracts are approvingly com- mented on by Professor Haeckel , in his " History ...
... plants , which stand at the lowest point in the scale of organiza- tion , have originated , and still originate , by spontaneous generation . " All of these extracts are approvingly com- mented on by Professor Haeckel , in his " History ...
11 페이지
... plant ; that as we go down in the scale , organization narrows more and more , until at last the lowest organism consists of no concrete thing but protoplasm . Then we have argued from the other end , saying that the boundary between ...
... plant ; that as we go down in the scale , organization narrows more and more , until at last the lowest organism consists of no concrete thing but protoplasm . Then we have argued from the other end , saying that the boundary between ...
31 페이지
... plant - growth , which occurred on the sides and in the basin of a cold spring , at a point on the Shark River , in ... plants from the Shark River had been transferred , and has since been 1889. ] 31 NEW - YORK MICROSCOPICAL SOCIETY . A ...
... plant - growth , which occurred on the sides and in the basin of a cold spring , at a point on the Shark River , in ... plants from the Shark River had been transferred , and has since been 1889. ] 31 NEW - YORK MICROSCOPICAL SOCIETY . A ...
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animal aperture aquarium BASHFORD DEAN Beale's Beaumont bioplasm blood-corpuscle Bulletin Calotermes capsule cell-wall chambers Charles F collodion Cretaceous Cristellaria cyclosis d'Orb December DEVOE diameter Diatoms Doctor Beale E. A. SCHULTZE eggs Eleocharis enclosing Eutermes F. W. DEVOE fact fermentation film fishes Foraminifera fungi fungus galleries genus glass granules Greensand Hay-Fever hypha inch insect Isthmus J. D. HYATT J. L. ZABRISKIE January Jersey Journal larvæ living matter mandibles mass material membrane motile mounted Naturalist nest NEW-YORK MICROSCOPICAL SOCIETY nucleus OBJECTS EXHIBITED October oogonium oospheres operculum organic ovipositor P. H. DUDLEY pabulum paper persons present pirate perch plant plate President Proceedings Professor Huxley protoplasm queen rare RIEDERER Saprolegnia Scirpus sections shell showing side slide Société soldiers species specimens sporangium spores stained structure structureless substance swarm Termites thallus theory Timber Creek tion tissues tracheids tube turpentine vegetable ventral vital wood zoospores
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16 페이지 - But expectation is permissible where belief is not, and if it were given me to look beyond the abyss of geologically recorded time, to the still more remote period when the earth was passing through physical and chemical conditions which it can no more see again than a man can recall his infancy, I should expect to be a witness of the evolution of living protoplasm from not living matter.
16 페이지 - But though I cannot express this conviction of mine too strongly, I must carefully guard myself against the supposition that I intend to suggest that no such thing as Abiogenesis ever has taken place in the past or ever will take place in the future.
93 페이지 - Beast and fowl, reptile and fish, mollusk, worm, and polype, are all composed of structural units of the same character, namely, masses of protoplasm with a nucleus.
94 페이지 - Debemur morti nos nostraque," with a profounder meaning than the Roman poet attached to that melancholy line. Under whatever disguise it takes refuge, whether fungus or oak, worm or man, the living protoplasm not only ultimately dies and is resolved into its mineral and lifeless constituents, but is always dying, and, strange as the paradox may sound, could not live unless it died.
92 페이지 - Thus it becomes clear that all living powers are cognate, and that all living forms are fundamentally of one character. The researches of the chemist have revealed a no less striking uniformity of material composition in living matter.
94 페이지 - I shall probably have recourse to the substance commonly called mutton, for the purpose of stretching it back to its original size. Now this mutton was once the living protoplasm, more or less modified, of another animal — a sheep. As I shall eat it, it is the same matter altered, not only by death, but by exposure to sundry artificial operations in the process of cooking.
96 페이지 - Withdraw any one of these three from the world, and all vital phenomena come to an end. They are as necessary to the protoplasm of the plant, as the protoplasm of the plant is to that of the animal. Carbon, hydrogen, oxygen, and nitrogen are all lifeless bodies. Of these...
93 페이지 - And now, what is the ultimate fate, and what the origin, of the matter of life? Is it, as some of the older naturalists supposed, diffused throughout the universe in molecules, which are indestructible and unchangeable in themselves; but, iu endless transmigration, unite in innumerable permutations, into the diversified forms of life we know? Or is the matter of life composed of ordinary matter; differing from it only in the manner in which its atoms are aggregated.
93 페이지 - Thus a nucleated mass of protoplasm turns out to be what may be termed the structural unit of the human body. As a matter of fact, the body, in its earliest state, is a mere multiple of such units ; and, in its perfect condition, it is a multiple of such units, variously modified.
16 페이지 - With organic chemistry, molecular physics, and physiology yet in their infancy, and every day making prodigious strides, I think it would be the height of presumption for any man to say that the conditions under which matter assumes the properties we call " vital" may not, some day> be artificially brought together.