Methods of Study in Natural History |
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Page 37
... Polyps and Acalephs or Jelly - Fishes , and Echino- derms , including Star - Fishes , Sea - Urchins , and Holothurians . His reason for this distinction is the fact , that in the latter the organs or cavities of the body have walls of ...
... Polyps and Acalephs or Jelly - Fishes , and Echino- derms , including Star - Fishes , Sea - Urchins , and Holothurians . His reason for this distinction is the fact , that in the latter the organs or cavities of the body have walls of ...
Page 44
... Polyps or Sea - anemones and corals , Acalephs or Jelly - Fishes , and Echinoderms or Star - Fishes , Sea - Urchins and the like . In the Polyps the plan is executed in the simplest manner ; the body consists of a sac , the sides of ...
... Polyps or Sea - anemones and corals , Acalephs or Jelly - Fishes , and Echinoderms or Star - Fishes , Sea - Urchins and the like . In the Polyps the plan is executed in the simplest manner ; the body consists of a sac , the sides of ...
Page 47
... Polyps , but by radiating tubes passing through the ge- latinous mass of the body . At the periphery is a Melicertum seen from above , with the tentacles spreading : oo , radiating tubes with ovaries ; m , mouth ; tttt , tentacles ...
... Polyps , but by radiating tubes passing through the ge- latinous mass of the body . At the periphery is a Melicertum seen from above , with the tentacles spreading : oo , radiating tubes with ovaries ; m , mouth ; tttt , tentacles ...
Page 48
... Polyps , or hollowed out of the substance of the body as in Jelly - Fishes , are here enclosed within independent walls of their own , m w 2 m W m Echinarachnius , opened by a transverse or horizontal section , and showing the internal ...
... Polyps , or hollowed out of the substance of the body as in Jelly - Fishes , are here enclosed within independent walls of their own , m w 2 m W m Echinarachnius , opened by a transverse or horizontal section , and showing the internal ...
Page 49
... into lobes in the Jelly - Fish , instead of remaining tubular as in the Polyp . There are , however , many Jelly - Fishes in which it is strictly tubular as in the Polyps . To carry the com- 3 D CLASSIFICATION AND CREATION . 49.
... into lobes in the Jelly - Fish , instead of remaining tubular as in the Polyp . There are , however , many Jelly - Fishes in which it is strictly tubular as in the Polyps . To carry the com- 3 D CLASSIFICATION AND CREATION . 49.
Common terms and phrases
ab-oral region Acalephs adult Animal Kingdom Aristotle Articulates Astræans Baer belong bilateral symmetry Birds Blue and gold body branch Bryozoa buds Cabinet Edition called cavity cells centre character classification compared Complete complication of structure condition connected Coral Reefs corresponding Crinoids Crustacea Ctenophora Cuvier disk distinct divided divisions Echino Echinoderms Embryology ence existence facts Families Fishes Genera Genus geological geological period germ gills gradation groups growth Holothurians Hydroid Illustrated individual inner sac Insects instance investigation Jelly-Fish kind Linnæus living lower lowest mals Mammalia mesoblast mode Mollusks mouth natural naturalists Ophiuran organs peculiar period phases Poems Poetical Polyps present relation representatives Reptiles resemblance scientific Sea-Urchin shell side Silurian Small 4to Species stage Star-Fish Steel Portrait stem Strobila succession surface tentacles tion transverse true tubes ture Twice-Told Tales Vertebrates whole Winged Insect Worms yolk young zones
Popular passages
Page 20 - THE GLACIERS OF THE ALPS : being a Narrative of Excursions and Ascents. An Account of the Origin and Phenomena of Glaciers, and an Exposition of the Physical Principles to which they are related.
Page 23 - I have devoted my whole life to the study of Nature," Louis Agassiz said in summing up the result of his life's work, "and yet a single sentence may express all that I have done. I have shown that there is a correspondence between the succession of Fishes in geological times and the different stages of their growth in the egg, — this is all.
Page 20 - Dictionary of the Noted Names of Fiction ; including also Familiar Pseudonyms, Surnames bestowed on Eminent Men, and Analogous Popular Appellations often referred to in Literature and Conversation.
Page 123 - Does not every member of the crow family caw, whether it be the jackdaw, the jay, or the magpie, the rook in some green rookery of the Old World, or the crow of our woods, with its long, melancholy caw that seems to make the silence and solitude deeper ? Compare all the sweet warblers of the songster family — the nightingales, the thrushes, the mockingbirds, the robins; they differ in the greater or less perfection of their note, but the same kind of voice runs through the whole group. These affinities...
Page 42 - when scientific truth must cease to be the property of the few, when it must be woven into the common life of the world...
Page v - Paleontology, the former showing us norms of development as distinct and persistent for each group as are the fossil types of each period revealed to us by the latter; and that the experiments upon domesticated animals and cultivated plants, on which its adherents base their views, are entirely foreign to the matter in hand, since the varieties thus brought about by the fostering care of man are of an entirely different character from those observed among wild species. And while their positive evidence...
Page 14 - A History of the Administration of the Department of the Gulf in the year 1862. With an Account of the Capture of New Orleans, and a Sketch of the Previous Career of the General, Civil and Military.
Page 166 - But these also have their bounds within the sea: they in their turn reach the limit beyond which they are forbidden by the laws of their nature to pass, and there they also pause. But the Coral wall continues its steady progress ; for here the lighter kinds set in, — the Madrepores (p. 167), the Millepores, and a great variety of Sea-Fans (p. 167, below) and Corallines, and the reef is crowned at last with a many-colored shrubbery of low feathery growth.
Page 122 - ... cat as its stately and majestic form does to the smaller, softer, more peaceful aspect of the cat. Yet notwithstanding the difference in their size, who can look at the lion, whether in his more sleepy mood, as he lies curled up in the corner of his cage, or in his fiercer moments of hunger or of rage, without being reminded of a cat ? And this is not merely the resemblance of one carnivorous animal to another; for no one was ever reminded of a dog or wolf by a lion. Again, all the horses and...