A striking instance in which this examination was repeatedly made is related on p.

184.
"It is evident that our present definitions of anaemia are insufficient.
An essential part of the description in all of them is that there are defects of number, of color, or of both in the blood.

This is not necessarily or always true.

The fault may lie in a lack of activity or of availability in the corpuscles.

The state of things in the system may be like the want of circulating money during times of panic, when gold is hoarded and not made use of, and interference with commerce and manufactures results.
"Neither an anaemic appearance nor a blood-count is alone enough for a certain diagnosis.