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S-NA-W

317.73

ORGANIZATION OF HYGIENIC LABORATORY.

WALTER WYMAN, Surgeon-General,
U. S. Public Health and Marine-Hospital Service.

ADVISORY BOARD.

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U. S. Army; Surgeon John F. Urie, U.S. Navy; D. E. Salmon, Chief of U. S. Bureau of Animal Industry; and Milton J. Rosenau, U.S. Public Health and Marine-Hospital Service, ex officio.

Prof. William H. Welch, Prof. Simon Flexner, Prof. Victor C. Vaughan, Prof. William T. Sedgwick, and Prof. Frank F. Wesbrook.

LABORATORY CORPS.

Director.-P. A. Surg. Milton J. Rosenau.
Assistant Director.-Asst. Surg. John F. Anderson.
Pharmacist.-M. H. Watters, Ph. G.

DIVISION OF PATHOLOGY AND BACTERIOLOGY.

Chief of Division.-P. A. Surg. Milton J. Rosenau.

Assistants. Asst. Surgs. John F. Anderson, Herman B. Parker, Edward Francis Thomas B. McClintic, and Clarence W. Wille.

DIVISION OF ZOOLOGY.

Chief of Division.—Ch. Wardell Stiles, Ph. D.

Assistants.-Phillip E. Garrison, A. B.; Brayton H. Ransom, B. Sc., M. A.; Earle C. Stevenson, B. Sc.; Arthur L. Murray.

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Itinerary of the trip through the Southern Atlantic States—Continued.
South Carolina....

Camden, Camden County...
Haile Goldmine, Lancaster County
Kershaw County

Charleston, Charleston County
Georgia...

Atlanta, Fulton County..
Macon, Bibb County
Milledgeville, Baldwin County
Fort Valley, Houston County
Albany, Dougherty County
Willacoochee, Coffee County.

Waycross, Ware County
Florida.

Jacksonville, Duval County
Waldo, Alachua County

Ocala, Marion County
Symptomatology of uncinariasis

Light cases
Medium cases

Severe cases.
General predisposing factors

Infection occurs chiefly on sandy soil.
Infection occurs chiefly in rural districts
Symptoms are more severe in summer than in winter.
Whites appear to be more severely affected than negroes.
Occupation of patients..
Severe cases are more common in women and children than in males over

25 years of age.

Several cases are likely to occur in the same family
Objective and subjective symptoms; analysis of symptoms.

Onset and incubation....
Stages of uncinariasis...

Stage of purely local symptoms.....
Stage of simple anemia or oligocythemia (chlorotic stage)

Dropsical stage...
Duration of uncinariasis

Length of life of the individual parasites
General external appearance...

General lack of development; stunted growth.
Skin.....

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59 Page.

Wounds heal slowly..
Cutaneous lesions caused by uncinariasis.
Looss's theory of cutaneous infection
Bentley's theory of ground itch
Hair
Breasts

Nails
Head..

Face
Eyelids, conjunctiva
Eyes

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Objective and subjective symptoms; analysis of symptoms-Continued.
General external appearance-Continued.
Head-Continued.

Nostrils....
Lips and gums.
Teeth

Tongue
Neck.
Thorax.
Abdomen.

"Potbelly” or “buttermilk belly," dropsy and tympanites Extremities.. Genitalia

Mucous membranes
Excretions and secretions..

Urine
Feces..

Consistency
Reaction...
Color...
Blotting paper test

Microscopic examination..
Circulatory system
Anemia...

Blood
Cervical pulsations
Heart

Pulse.
Temperature.
Respiratory system.

Nostrils...

Respiration Muscular system

Emaciation

Great physical weakness.
Digestive system

Lips, gums, teeth, tongue (see p. 66)
Nausea
Appetite...

Perverted appetite, “dirt-eating"
Pain in “stomach;” indigestion
Constipation and diarrhea

Feces.....
Nervous system

Eyes
Ears...
Mental lassitude, headache, dizziness, and nervousness

Patellar reflex...
Genital system

External genitalia, sexual function, menstruation, sterility

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78 Page.

Tendency to abortion....
Prevalence of uncinariasis in the United States

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Objective and subjective symptoms; analysis of symptoms—Continued.
Clinical diagnosis of hookworm disease

Blotting paper test with feces
Microscopic examination of feces.

Gross examination of feces...
Treatment of hookworm disease.
Anthelminthic treatment

Thymol
Male fern

Calomel
General treatment.
Prognosis .....
Lethality of hookworm disease
Post-mortem appearances .
Prevention of hookworm disease

Adult worms in the intestine; treatment.
Eggs in the feces; control and destruction.
The infecting (encysted) stage of the larva.

Disinfecting premises.
Drinking water
Clean hands

Wearing shoes
Common interpretation of hookworm disease..
Economic importance of hookworm disease
Geographic distribution and abstracts of cases found in the United States..
Bibliography
Index to zoological names
Index to authorities cited..
Addenda.....

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