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always properly adjusted. Movable furniture should be provided for the lower grades. The slope of desk tops should be capable of viagra gold (sildenafil) 800mg adjustment to the proper angle for writing purposes. Special attention should be paid to viagra gold (sildenafil) 800mg the importance of the child bringing the book up toward its eyes, instead of bringing its viagra prix eyes closer to the book. School lighting may be improved by the use of prisms and other devices. If artificial illumination is employed this should be of the modern viagra prix semi-indirect pattern. Tungsten lights should, of course, not be used for direct il- lumination, and all cluster electric illumination should be provided with full frosted globes until replaced by illumination of the semi-indirect type. The question of the proper type of window shade and of its regular and correct adjustment should also be considered. Unnecessary homework should be eliminated. The use of colored crayons for blackboard work should be interdicted except for un- usual school work, and blackboards not in viagra prix use might be covered with light shades. The above facts are not of mere local interest. They should be carefully weighed by all communi- ties in which there is a public school. Physicians cannot afford to ignore a subject of such vital in- terest to a large percentage of their patients and they should particularly viagra prix urge upon parents the need of carefully supervising their children's posture in reading and writing at home. New Tests of Death. It is quite natural that the subject of the speedy and accurate diagnosis of death should receive viagra gold (sildenafil) 800mg in- creasing interest in those countries in which the business of killing seems to have supplanted all other forms of human activity. Three methods of determining the cessation of life are discussed in La viagra prix Clinica Medica Italiana, 1915, No. 3. The first of these is the ether test. A drop of ether is in- stilled into the conjunctival sac of one eye. If this is followed by a reddening of the conjunctiva it affords proof that the circulation is intact and that life is still present. The other eye is used as a control. The second test has recently been pro- posed by Icard. It consists in the subcutaneous injection of fluorescin, which, if the individual is still living, is soon followed by a yellowish coloring of the skin and mucosa. The conjunctiva and the mucous membrane of the mouth, and particularly of the frenum of the tongue, show this coloration most distinctly. The test consists in the injection of 8 to 10 c.c. of a solution of 20 grams of fluorescin and 30 grams of sodium carbonate in 100 grams of distilled water. viagra gold (sildenafil) 800mg A negative result is obtained in cases of marked slowing or enfeeblement of the cir- culation, as during the agonal condition. The third test has recently been proposed by Halluin. It consists in direct exploration of the heart by means of a stilette. This is introduced through a small incision in one of the intercostal spaces. viagra gold (sildenafil) 800mg Any viagra gold (sildenafil) 800mg move- ment in the heart is communicated to the stilette. In some instances of suspended animation it is possble to arouse cardiac activity by means of gentle movements of the stilette, combined with artificial respiration. Negro Pigment and Tropical Heat. It is hardly anywhere disputed that the pigmented skin of the African and other dusky races is an acquired defence against the actinic solar rays, by virtue of which these people can labor in tropical heat and yet escape insolation. The pigment, how- ever, favors absorption of the heat rays and we have therefore to take into consideration the heat regulating mechanism of the body, which makes possible the adaptation of the latter to temperature changes. Before viagra gold (sildenafil) 800mg the Royal Imperial Society of Vienna last April (Berliner kiinische Wochen- schrift, June 7) Stigler related some experiments on a negro viagra gold (sildenafil) 800mg and a white man who worked in high September 18, 1915] MEDICAL RECORD. 489 degrees of heat. The ergostat was used and the blood pressure, pulse, respiration, and temperature were noted. viagra prix In the Negro the temperature fell much more rapidly than in the white, and the tests tended to show that the resistance of the negro to heat stagnation is due chiefly to the fact that his viagra gold (sildenafil) 800mg cutaneous vessels dilate much more readily and completely, so that more heat is radiated. The pigment, however, serves a useful purpose because it viagra gold (sildenafil) 800mg absorbs the yellow heat rays which otherwise would pentrate to the cortex and cause sunstroke. Neither the ultraviolet nor the ultrared rays play any role in the genesis of the latter. The white man in the tropics may become acclimated to the heat to some degree in respect both to his heat reg- ulating mechanism and the production of viagra prix protective pigment, but the process is a gradual one, and not infrequently the man dies before it is complete. "Superinfection" and Vaccination. It viagra gold (sildenafil) 800mg is well understood that vaccination viagra prix performed too viagra gold (sildenafil) 800mg late, i.e. after the incubation period of variola, cannot arrest or abort the latter, and that as a gen- eral rule there is no "take." In very rare cases the two eruptions, vaccina viagra gold (sildenafil) 800mg and variola, have appeared