The wings of the harmless mosquito are usually mottled, while the wings of the malarial mosquito are of an even color.
Volunteers have lived for months in the worst malarial regions in the world without a trace of the disease, the only precaution being to keep the doors and windows screened and to prevent mosquitoes from biting.
The positive determination of the disease is possible by an examination of the patient's blood, in which the malarial parasite can readily be found.
The distance that the malarial mosquito can fly is of interest as indicating the distance which one must go from a house, hunting for available pools.
In some cases, as in malaria, the very act of hatching the malarial brood is sufficient to throw the host on whom the brood will feed into a violent chill.
By staying in the house after sundown and by carefully screening the doors and windows, one may live in a malarial country with perfect immunity.
When persons have lived for a long time in malarial regions, the intermittency of the chill and fever is less noticeable and the continuous character of the fever often leads the disease to be mistaken for typhoid.
Malaria comes from the cellar, whenever the malarialmosquito can find there a breeding place.
It would seem that malarial fever is virtually indigenous to the soil of the agro, besetting every region as soon as man deserts it.
The blacks told me that at one time it had been one of the most important penal settlements in Australia, but had to be abandoned on account of the prevalence of malarialfever arising from the swamps in the neighbourhood.
I had not been established in this camp many days, however, before I was struck down, for the first time, with a terrible attack of malarial fever, probably produced by the many hours I had spent wading in the swamps at Port Essington.
The Physical Catastrophe induced by Selfishness One of the physical catastrophes that probably most accelerated the fall of Greek civilisation was malarial fever.
She held out her hand; and Billy, having been long enough in Sobrante to have acquired the habit, bent his malarial person over that hand and kissed it.
Billy's pulse was still far from normal when he reached El Buen Amigo, for he was infused with a strange, new-found warmth that burned like malarial fever but wasn't.
He's full of malarial fever, and last night I got thinking about him and decided to send him back to the Colorado mountains for a few months.
Lake Huleh itself, four miles long, is little more than a great malarial marsh, formed by the temporary stopping of the river by the eastern and western hills, which here approach within three or four miles of each other.
From the beautiful clear lakes on the heights the descent is sudden to the malarial marshes in the lowlands.
As a result, Greece is to-day and probably always has been the most malarial country in Europe.
We buried there the last of our Roman holidays under a sky that had changed from blue to gray since our journey began, and mournfully set out faces northward in the malarial Maremma.
If the Maremma is as malarial as it is famed, it does not look it.
Numerous medical authors have recorded facts which they deemed convincing as showing that malarial fevers may be contracted in this way.
Manson's son, who had never had malarial disease).
In my address as President of the Biological Society, in 1896, the subject chosen was "The Malarial Parasite and Other Pathogenic Protozoa.
The error in diagnosis, upon which the inference has been based that malarial fevers may be contracted through drinking water, has been widespread in this country, in Europe and in the British possessions in India.
The demonstration was entirely satisfactory, and no doubt was left in my mind that I saw living parasitic micro-organisms in the interior of red blood corpuscles obtained from the circulation of malarial fever patients.
Thus there are localities noted for being extremely dangerous on account of the malarial fevers contracted by those who visit them, which on this very account are rarely visited by man.
We have still to consider the question of the transmission of malarial fevers by the ingestion of water from malarious localities.
This view was sustained by me, in my work on "Malaria and Malarial Diseases," published in 1883.
Twenty-five years ago the best informed physicians entertained erroneous ideas with reference to the nature of malaria and the etiology [inquiry into the causes] of the malarial fevers.
The skin presents a jaundiced appearance in chronic malarial fever.
Perhaps the converse is more feasible in some circumstances--that is to say, preventing mosquitoes from having access to malarial persons, and so propagating the parasite in themselves.
The malarial cachexia that follows definite attacks of ague consists in a state of ill-defined suffering, associated with a sallow skin, enlarged spleen and liver, and sometimes with dropsy.
Milder cases of malarial fever are apt to become dangerous from the complications of dysentery, bronchitis or pneumonia.
Koch has suggested that the disinfection of malarial persons by quinine would have the desired effect, but other authorities of greater experience do not consider it practicable.
The Chinese immigrants suffer chiefly from fever of a malarial type, from beri-beri, a species of tropical dropsy, and from dysentery.
Remittent is a not unusual form of the malarial process in tropical and subtropical countries, and in some localities or in some seasons it is more common than intermittent.
But probably the greater part of the enormous total of deaths set down to malaria is due to the malarial cachexia.
Malarial fevers make their appearance in places where the forest has been recently felled, or where the surface earth has been disturbed.
On the 6th of November in that year he plainly saw the living parasites under the microscope in the blood of a malarial patient, and he shortly afterwards communicated his observations to the Paris Academie de Medecine.
Of the mortality due to malarialdisease a small part only is referable to the direct attack of intermittent, and chiefly to the fever in its pernicious form.
Before he had been many months in this class he was attacked bymalarial fever, which is so virulent in the Bannu Valley in the autumn months.
Here is a Bannuchi malik suffering from consumption, a not uncommon complaint in their crowded villages; next him is a Wazir lad from the hills, Muhammad Payo by name, suffering from chronic malarial poisoning.
Unarmed with the exception of an automatic pistol, he was about to brave the dangers of a night 'midst malarial mists and wild beasts of an African forest.
Whether they were malarial or not I cannot say, but certainly they were unfragrant to a degree.
It is said that, in order to prevent malarial exhalations, the water is constantly renewed from an arm of the North Sea Canal and the mud removed by dredging.
He, as we have seen by the entry of the 18th April was alive to the conviction that malarial poison is the basis of every disorder in Tropical Africa, and he did not doubt but that he was fully under its influence whilst suffering so severely.
Yes; we think past experience affords it, and it is offered to you by one who remembers moreover how Livingstone himself used to point out to him in Africa the peculiar features of death by malarial poisoning.
There will always be people going about with the malarial organism in their blood, and always anopheles mosquitoes ready to become infected with it and to carry the infection about.
In fact, the canal zone taken over by the Americans was perhaps the most malarial strip of territory in the world.
A corresponding crusade has been carried on for six years against the little anopheles gnat, the little criminal who carries the malarial poison.
Now it is quite possible to live there in perfect health, quite free from any malarial infection.
If there is anything that will take the conceit out of a man in a short space of time, it is this malarial fever when it gets a good hold.
Many deaths occurred which might have been obviated had there been a proper supply of anti-malarial remedies at hand.
White Eagle, one of the Ponca chiefs, who had lost his wife and four children, and who was himself fast sinking under disease developed by the malarial Indian Territory, came to Washington and gave eloquent testimony in behalf of his tribe.
The reason for the classification in the case ofmalarial fevers is obvious enough, but for the other diseases I never was able to find out upon what they founded their conclusions.
She had bronchial catarrh: there were no morbid cardiac sounds; and she had Malarial fever.
Here they were out in the open, lying on the earth, and dying by scores from malarial fever.
I learnt a good deal about malarial fevers from a patient's point of view before I was well again, for I had three consecutive attacks of fever, each differing from the preceding one in its manifestations.
The men of this country are the guns; they are loading themselves with a poison rising from the earth by breathing it constantly, the malarial poison.
Malarial fever, however, being due to the presence in the blood corpuscles of a microscopic animal, an amaeba, the treatment that the hakims adopted was not likely to be very successful.
He was exceedingly ill with malarial fever, and his skin was yellow, which was bad.
Of other diseases, malarial fevers, eye cases, venereal diseases, coughs and dyspepsia were the commonest.
Towards the end of September the cases of malarial fever among the soldiers and townspeople began to decrease in number, and I had more leisure.
To have lost two of his best friends in one year depressed him greatly, and to this were added constant attacks of malarial fever which made him very weak.
A few days later, after hunting lechwes in a swamp, Selous himself became ill, and for a fortnight both the travellers experienced all the trials of malarial fever.
When he arrived at Mombassa with his white rhino trophies, he was looking a good deal the worse for wear, and it may be computed that his system contained more than one man's fair share of malarial and tropical trypanosomes.
Sydenham a century later, intermittents were mixed up with continued fevers which had nothingmalarial in their cause or circumstances.
The ladies could not possibly take part in this dangerous sport--not so dangerous from the jaws of the alligators as from the dreaded miasma which is continually rising from the hotbeds of typhoid-malarial scums.
Hence the sport is fraught with some danger as well as unpleasant experiences from insects and the malarial localities.
I was surprised to find but few cases ofmalarial fever, and no well-marked cases either of typhus or typhoid fever.
But it had been more than two weeks since I had done any work, and I could not remember what it was that I had been dictating, or endeavoring to dictate, to the lady with the malarial husband.
And without waiting for any remark from me she left the room, and shortly returned with the malarial subject.
Without the malarial husband I should have asked for no better secretary; but he spoiled everything.
The next day it rained, and there seemed every probability that we should have continued wet weather, and that it would be days before the malarial one could sit under the apple-tree.
Two days after this the air was damp and rain threatened, and the malarialgentleman was supplied with comfortable quarters in the back parlor.
To keep my secretary at work, I gave her some notes of travel of which to make a fair copy, while I occupied myself in wondering what I was going to do about that malarial husband.
