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These flies do not lay eggs but produce full-grown larvæ which soon pupate in the ground. They are not entirely confined to the tropics but may extend far up into the subtropical regions. Five or six different species of these parasites are known, only one of which, however, has been shown to be of any pathological importance, as far as human beings are concerned.
Whatever the exact change of temperature was, in degrees of the thermometer, it was admittedly sufficient to transform the face of the earth, and bring a mantle of ice over millions of square miles of our tropical and subtropical regions. It remains for us to inquire into the causes of this transformation.
His house proved to be a veritable palace on the side of one of the hills rising abruptly back of the shore. Flights of massive stone steps, quaint walls covered with creepers, balustrades overlooking charming gardens, arcades from which one looked out on splendid vistas and shady terraces combined to make it a veritable paradise such as can be found only in tropical and subtropical lands.
None of the beds are of great horizontal extent, and there is much cross- stratification in the sands, and in some places black carbonaceous seams and lignite. In the midst of these leaf-beds in Studland Bay, Purbeck shells of the genus Unio attest the fresh-water origin of the white clay. On the whole, they remind the botanist of the types of subtropical India and Australia.
This is a very fatal infectious disease of many tropical and subtropical regions, spreading terror among the natives wherever it occurs. It is caused by the presence in the system of Protozoan parasites, the so-called Leishman-Donovan bodies, that have recently been studied by several observers. Dr. He has found the parasite in all stages of development in the bedbug.
He would go on, he would walk right into the jungle. His first disinclination was conquered, and the soft intoxication of the subtropical moonshine was in his blood.... But he wished he could walk as a spirit walks, without this noise of leaves.... Yes, this was very wonderful and beautiful, and there must always be jungles for men to walk in. Always there must be jungles....
His French companions and his great company of Indians about him, he repeated there, in the subtropical spring, the ceremony which ten years before had been performed two thousand miles and more by the water to the north, but in phrases which his inflexible purpose, valorously pursued, had given him a greater right to pronounce.
It is a small swamp only a small one then the fair uplands of our Colony begin. But until the road is built across it the river is the only means of travel inland and that, as I sorrowfully tell you, is blocked. Come; let us forget our business, our future wealth, for the time being and revel in the subtropical joys at Flora City. The land will remain. Each day sees an increase in its value.
The Municipal buildings are a handsome piece of architecture; but it is not in these features, nor in the Morrab Gardens, in spite of their subtropical vegetation, that the charm of the town lies. That charm is a certain homely friendliness in the aspect of the place, the bustle, the soberness and geniality of its people.
Considering the common opinion as to the distribution of the Amphipoda, namely, that they increase in multiplicity towards the poles, and diminish towards the equator, it may seem strange that I speak of a considerable number of species on a subtropical coast. In systematising from single dead specimens, as to the sex, age, etc. of which nothing is known, similar errors are unavoidable.
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