The Mirror of Literature, Amusement, and Instruction | Page 2

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what is before or below him. The first serves to direct his flight, the other presents the object of his pursuit: and as we commonly, and with advantage, place our hand over the brow, to obstruct the rays of light falling from above, which enables us to see clearer an object on the ground, so must the projecting hood of this creature converge the visual rays to a point beneath.
Glowworms emit light only for a short period in the year; and I have but partially observed it after the middle of July. I have collected many of these pretty creatures on a bank before my house, into which they retire during the winter, to shine out again when revived by the summer's warmth; but in this latter season I have frequently missed certain of my little protegés, and have reason to apprehend, that they formed the banquet of a toad, that frequented the same situation.
Observing above, that the glowworm does not emit light after the 14th of July, I mean thereby that clear, steady light, which has rendered this creature so remarkable to all persons; for I have repeatedly noticed, deep in the herbage, a faint evanescent light proceeding from these creatures, even as late as August and September. This was particularly manifested September the 28th, 1826. The evening was warm and dewy, and we observed on the house-bank multitudes of these small evanescent sparks in the grass. The light displayed was very different from that which they exhibit in warm summer months. Instead of the permanent green glow, that illumines all the blades of the surrounding herbage, it was a pale transient spot, visible for a moment or two, and then so speedily hidden, that we were obliged, in order to capture the creature, to employ the light of a candle. The number of them, and their actions, creeping away from our sight, contrary to that half lifeless dulness observed in summer, suggested the idea, that the whole body had availed themselves of this warm, moist evening, to migrate to their winter station. A single spark or so was to be seen some evenings after this, but no such large moving parties were discovered again. If we conclude, that the summer light of the glowworm is displayed as a signal taper, the appearance of this autumnal light can have no such object in view, nor can we rationally assign any use of it to the creature itself, unless, indeed, it serves as a point of union in these supposed migrations, like the leading call in the flight of night-moving birds. The activity and numbers of these insects, in the above-mentioned evening, enabled me to observe the frequent presence and disappearance of the light of an individual, which did not seem to be the result of will, but produced by situation. During the time the insect crawled along the ground, or upon the fine grass, the glow was hidden; but on its mounting any little blade, or sprig of moss, it turned round and presented the luminous caudal spot, which, on its falling or regaining its level, was hidden again.
A summary of the peculiarities of the year 1825, very appropriately concludes the volume, from which we may be tempted to make future extracts.
THE TALIPOT TREE,
The first of our Engravings is a species of palm, a native of Ceylon, and is one of the most magnificent wonders of the vegetable kingdom. The leaf is circular, terminating in the most beautiful rays, and folding up into plaits like a fan, which, in figure, it nearly resembles.
This leaf is used in the maritime provinces of Ceylon as a mark of distinction, each person being allowed to have a certain number of these leaves, folded up as fans, carried with him by his servants; and also in the Kandian country, in the shape of a round, flat umbrella on a long stick. The talipot leaves are likewise used by the common people to shelter themselves from the rain, one leaf affording sufficient shelter for seven or eight persons. It is also used in making tents.
In 1818, Sir Alexander Johnston gave to Sir Joseph Banks a very fine specimen of a tent made of their leaves, large enough to hold a party of ten persons at table.
All the books of importance in Pali and Cingalese, relative to the religion of Buddhoo, in Ceylon, are written on lamina of these leaves, with either a brass or an iron style. There are some of these books in Sir A. Johnston's collections, which are supposed to be from 500 to 600 years old, and which are still very perfect. In the museum of the Asiatic Society, there is a complete copy of the Pali book, called the _Pansyapanas Iatakah_, written on 1,172 laminae of the finest description of
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