Name.

Period of Incu-bation.

Occurrence of Eruption.

Character of Eruption.

Fading or Disappearance of Eruption.

Duration of illness.

Scarlatina - Scarlet

4 to 10 days.

Usually 2d or 3d day of fever,

Bright scarlet and diffused.

Fifth day of fever commonly.

8 to 15 days

Fever. (Presents a great variety of ir-regular forms.)

(within 36 hours of actual commencement of illness.)

Rubeola. .......................

10 to 14 days.

Fourth day of fever, or after 72 hours of illness.

Small red dots like flea bites; crescentic.

On seventh day of fever.

6 to 10 days

Measles.

Rubella.......

7 to 14 days.

Fourth to sixth day.

Like measles, but less -distinct; patches more irregular, and brightest near center.

Fourth day after appearance of-ten desquamates in bran-like scales, but is uncertain.

8 to 10 days

Rotheln.

Variola .......................

12 days.

Third day of fever.

Small red pimples, becoming vesicular and subsequently pustular; umbilicated.

Pustules mature on 8th or 9th day; scabs follow on 10th or 12th following, falling off two days later.

14 to 21 days

Small-pox.

Varicella.....................

4 days.

Second day of fever.

Small rose pimples, becoming vesicles.

Slight scab forms on fourth day of fever.

6 to 7 days

Chicken-pox.

Erysipelas.................

3 to 7 days.

Second or third day.

Diffuse redness and swelling.

Uncertain.

Uncertain.

Typhus Fever...............

1 to 12 days.

Fourth to eighth day.

Mulberry color, usually over

Uncertain.

14 to 21 days

Ship Fever.

abdomen.

Typhoid Fever..............

10 to 14 days, or sometimes sud-denly.

Seventh or fourteenth day.

Rose colored spots, few in num-ber and far apart.

Uncertain (may be wholly want-ing).

20 to 30 days

Enteric Fever.