| By the removal of the cruor the lymph becomes gradually paler. |
| He found, when the cruor is deprived of its iron, that it becomes colourless. |
| The cruor, or red portion of the blood, has been found, on submitting it to a microscope, to be composed of globules. |
| The red colouring matter called hematine, may be obtained from the cruor by washing with cold water and filtering. |
| The cruor communicates a red tinge to the water, which should be changed every day. |
| In a mass of healthy blood, one half or upwards is red cruor. |
