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طبعات أخرى - عرض جميع المقتطفات

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الصفحة 270 - Every species has come into existence coincident both in space and time with a preexisting closely allied species.
الصفحة 270 - Dionaea, or their like, should turn up in Eastern Asia. Very few of such isolated types remain without counterparts. It is as if Nature, when she had enough species of a genus to go round, dealt them fairly, one at least to each quarter of our zone ; but when she had only two of some peculiar kind gave one to us and the other to Japan, Manchuria, or the Himalayas ; when she had only one, divided these between the two partners on the opposite side of the table.
الصفحة 120 - Pursh, is one of the most frequent grasses along the streets. The Silver Creek hills are elevated about one hundred and fifty or two hundred feet above the level of the country in the rear of Jeffersonville." They form a continuous range, crossing the country from north to south. On the Kentucky side they constitute the commencement of a rugged and barren district, called the Knobs, and extending far to the south.
الصفحة 270 - Some of them are likewise European, but more are not so. Extending the comparison to shrubs and herbs, it more and more appears that the forms and types which we count as peculiar to our Atlantic region, when we compare them, as we first naturally do, with Europe and with our West, have their close counterparts in Japan and north China ; some in identical species...
الصفحة 305 - Burial Mounds," "Temple Mounds," "Sacrificial Mounds," "Observations," "Habitations," "Effigy Mounds," etc. Sepulchral mounds are those in which the dead were interred. In his work, " The .Mound Builders,'' page 50, Prof. McLean describes these burial mounds in the following language: "Mounds of sepulchre are very numerous, and usually have the form of a simple cone, but sometimes are elliptical, or pear-shaped. They are found without the walled inclosure and removed to a distance more or less remote....
الصفحة 344 - SUTURE.- The line of junction of two parts which are immovably connected together, like the line where the whorls of a univalve shell join, or the lines made on the exterior of a chambered shell by the margins of the sepia.
الصفحة 265 - These consisted of twelve monocotyledons, including the common oat, and at least one kind of grass and of seventy dicotyledons, which consisted, judging from the young leaves, of at least three distinct species. With such facts before us, can we doubt that the many birds which are annually blown by gales across great spaces of ocean, and which annually migrate, must occasionally transport a few seeds imbedded in dirt adhering to their feet or beaks?
الصفحة 292 - ... from ten to one hundred acres, and sometimes embrace even three hundred acres. The beds are laid out with great order and symmetry, and have certain peculiar features that belong to no recognized system of horticulture. These beds are entirely different from the system of field culture as practiced by the Indians, and no similar remains are connected with the enclosures of Ohio. It is evident that these beds do not belong to the epoch of the Mound Builders, for in some cases they extend over...
الصفحة 344 - A heavy, igneous rock, of a greenish-black or grayish color, generally composed of feldspar, augite, and hornblende ; so called because the rocks of this class often occur in large tabular masses, rising above one another like treppe, steps TRILOBITE.
الصفحة 337 - CARBONATE. A salt formed by the union of carbonic acid with a base. CARBONIC ACID.

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