Toilers in the SeaSociety for Promoting Christian Knowledge, 1889 - 373 pages |
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Page 21
... calcareous mud which it pervades is separated from its solution in the ocean - waters . " Again , in 1870 , Professor Huxley emphasised the discovery by remarking that " the Bathybius formed a living scum or film on the sea - bed ...
... calcareous mud which it pervades is separated from its solution in the ocean - waters . " Again , in 1870 , Professor Huxley emphasised the discovery by remarking that " the Bathybius formed a living scum or film on the sea - bed ...
Page 23
... calcareous matter exists in solution , molecular changes take place , the normally homogeneous protoplasm then frequently being converted into minute globular masses , which , when seen under the microscope resemble sago - grains in ...
... calcareous matter exists in solution , molecular changes take place , the normally homogeneous protoplasm then frequently being converted into minute globular masses , which , when seen under the microscope resemble sago - grains in ...
Page 29
... calcareous skeleton or shell . By com- mencing with a reference to this well - known organism ( fig . 1 ) , although it may in some points differ from the shell - making species , an acquaint- FIG . 1. - PROTEUS , or AMЕВА . ance with ...
... calcareous skeleton or shell . By com- mencing with a reference to this well - known organism ( fig . 1 ) , although it may in some points differ from the shell - making species , an acquaint- FIG . 1. - PROTEUS , or AMЕВА . ance with ...
Page 33
... calcareous shell , or skeleton , many of which in form resemble very microscopical snail shells . ( Plate I. ) From the perforations which the walls of these shells present they were called Foraminifera , or pore - bearers and though ...
... calcareous shell , or skeleton , many of which in form resemble very microscopical snail shells . ( Plate I. ) From the perforations which the walls of these shells present they were called Foraminifera , or pore - bearers and though ...
Page 39
... calcareous shell , consisting of a central globular portion , partly surrounded by a closely - applied tubular part , and having no septum in the interior . In a short time the young animals protruded their contractile processes from ...
... calcareous shell , consisting of a central globular portion , partly surrounded by a closely - applied tubular part , and having no septum in the interior . In a short time the young animals protruded their contractile processes from ...
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Actinophrys algæ annelids appear atolls barrier reefs beautiful become body boring sponge bottom branches bristles budding calcareous canals cavity cell central capsule chalk chambers Chelura cilia Cliona Cloth boards coast colony colour consists coral islands coral reefs Dana Darwin dead delicate deposit depth developed disk dredge eggs enclosed excavated fact fathoms Fcap feet filaments flagellum fluid Flustra Foraminifera fringing reef Gorgonia granules growth History horny Hydroid hypothesis inch Infusoria inhabit lagoon larvæ layer less living marine mass matter membrane microscope minute mollusk monads mouth naturalists nature observed ocean organs outer particles perforated phosphorescence plates Polycystina polypary polypes portion Professor protoplasm pseudopodia Radiolaria reproduction resemble rock sand sarcode says sea-fans sea-pens sea-water secreted shells shore side skeleton sometimes species spicules stomach structure substance surface tentacles thin tion tube vegetable Wallich whilst whole worm zooids zoophytes zoospores
Fréquemment cités
Page 383 - ANCIENT HISTORY FROM THE MONUMENTS. This Series of Books is chiefly intended to illustrate the Sacred Scriptures by the results of recent Monumental Researches in the East. Fcap. 8vo, cloth boards, 2s. each. Assyria, -from the Earliest Times to the Fall of Nineveh.
Page 366 - It is often urged, in respect to some scientific conclusion, that, after all, it is only an hypothesis. But what more have we to guide us in nine-tenths of the most important affairs of daily life than hypotheses, and often very ill-based ones? So that in science, where the evidence of a hypothesis is subjected to the most rigid examination, we may rightly pursue the same course.
Page 383 - Assyria, from the Earliest Times to the Fall of Nineveh. By the late GEORGE SMITH, Esq., of the British Museum.
Page 28 - ... a little particle of apparently homogeneous jelly changing itself into a greater variety of forms than the fabled Proteus, laying hold of its food without members, swallowing it without a mouth, digesting it without a stomach, appropriating its nutritious material without absorbent vessels or a circulating system, moving from place to place without muscles, feeling (if it has any power to do so) without nerves, multiplying itself without eggs ; and not only this, but in many instances forming...
Page 366 - ... to guide us in nine-tenths of the most important affairs of daily life than hypotheses, and often very ill-based ones? So that in science, where the evidence of an hypothesis is subjected to the most rigid examination, we may rightly pursue the same course. You may have hypotheses and hypotheses. A man may say, if he likes, that the moon is made of green cheese: that is an hypothesis.
Page 366 - ... which is based on sound scientific knowledge is sure to have a corresponding value; and that which is a mere hasty, random guess, is likely to have but little value. Every great step in our progress in discovering causes has been made in exactly the same way as that which I have detailed to you. A person observing the occurrence of certain facts and phenomena asks naturally enough, what process, what kind of operation known to occur in nature...
Page 168 - There breed, and die, and leave a progeny, Still multiplied beyond the reach of numbers, To frame new cells and tombs; then breed and die As all their ancestors had done, — and rest, Hermetically...