Example (b), 37° C. = 98.6° F.
Method: 37 × 2 = 74. 74 - 7.4 = 66.6. 66.6 + 32 = 98.6.

Example (c), 40° C. = 104° F.
Method: 40 × 2 = 80. 80 - 8 = 72. 72 + 32 = 104.

RULES OF TAKING TEMPERATURE.

Per mouth.—Retainthermometerfrom1 to 33 minutes.
rectum35
axilla1015
Temperature per rectum is ½° F. higher than per mouth.
“ “ axilla is ⅒° to ³/₁₀° F. lower than per mouth.

TEMPERATURE OF WATER.

Cold signifies a temperature below 65° F.
Cool between 65° and 80° F
Tepid 80° 90° “
Warm or neutral 90° 100° “
Hot 100° above.
Very hot or very cold indicates extremes of temperature.

PULSE RATE.

Six to twelve months  105-115.
Two to six years90-105.
Seven to ten years80- 90.
Eleven to fourteen years75- 85.
Adults60- 78.

RESPIRATIONS.

Two months to two years35 per minute.
Two months to six years23
Six months to twelve years20
Twelve months to fifteen years18
Fifteen months to twenty-one years  16-18