Medical and Veterinary Entomology: A Text Book for Use in Schools and Colleges, as Well as a Handbook for the Use of Physicians, Veterinarians and Public Health Officials

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Page 114 - The conclusions drawn from these experiments were: "1. The mosquito — Culex fasciatus — serves as the intermediate host for the parasite of yellow fever. "2. Yellow fever is transmitted to the nonimmune individual by means of the bite of the mosquito that has previously fed on the blood of those sick with this disease.
Page 140 - Ordinance shall be guilty of a misdemeanor, and upon conviction thereof shall be punished by a fine of not less than five ($5.00) dollars nor more than five hundred ($500.00) dollars, or by imprisonment in the County Jail' for not less than six (6) months, or by both such fine and imprisonment.
Page 376 - II. Cells cylindrical, longer or shorter, and only dividing in one plane, and elongating to about twice the normal length before the division. a. Cells straight, rod-shaped, without sheath, nonmotile, or motile by means of flagella 2.
Page 202 - District shall cause all such manure to be removed from the premises at least twice every week between June...
Page 114 - ... 9. A house may be said to be infected with yellow fever only when there are present within its walls contaminated mosquitoes capable of conveying the parasite of this disease. 10. The spread of yellow fever can be most effectually controlled by measures directed to the destruction of mosquitoes and the protection of the sick against the bites of these insects. 11. While the mode of propagation of yellow fever has now been definitely determined, the specific cause of this disease remains to be...
Page 400 - This important new work is based on the unique methods of the Pediatric Department of the Harvard Medical School. By these methods the food is fitted to the baby and not the baby to the food, while all procedures are presented for a definite reason and on a scientific basis. There has, up to the present, been no book in English presenting in detail the physiology of digestion and metabolism in infancy — which must form the basis of all scientific and rational infant feeding — and none describing...
Page 205 - ... feet beyond the building line. The walls must be substantial and watertight, with stone or iron coping, bedded in cement, set fair with the surface of the alley. They must be covered with heavy wrought-iron doors, flush with the alley pavement or surface, sufficiently strong to carry heavily loaded carts or other vehicles, and provided with ventilation by means of a flue inside of the stable and extending above the roof of the same, and they must be drained by sewer connection, as directed by...
Page 201 - No person owning a stable shall keep any manure or permit any manure to be kept in or upon any portion of the premises other than the bin or pit described, nor shall he allow any such bin or pit to be overfilled or needlessly uncovered.
Page 6 - Parasites is understood living organisms, which for the purpose of procuring food, take up their abode, temporarily or permanently, on or within other living organisms.
Page 255 - ... aid of a magnifier) that they have a brown appearance. The abdomen consists of five rings, is velvety and variegated with dark brown and straw color. On the under side it is of the same color, but not variegated in the same way, there being a dark spot in the middle of each ring. The feet are brown, the under side of the head is puffed out and white. The antennae are extremely small and spring from two lobes which are sunk into a cavity at the anterior and under part of the head. The eyes are...

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