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"Blood corpuscles (amphibian). c, colored corpuscles, flatwise and in profile; l, colorless corpuscles (leucocytes)." -Galloway, 1915

Blood Corpuscles

"Blood corpuscles (amphibian). c, colored corpuscles, flatwise and in profile; l, colorless corpuscles…

A large capillary from the frog's mesentery eight hours after irritation had been set up, showing emigration of leucocytes. Labels: a, Cells in the act of traversing the capillary wall; b, some already escaped.

Capillaries Showing Emigration of Leucocytes

A large capillary from the frog's mesentery eight hours after irritation had been set up, showing emigration…

Human colorless blood corpuscle, showing its successive changes of outline within ten minutes when kept moist on a warm stage.

The Change of Colorless Blood Corpuscles

Human colorless blood corpuscle, showing its successive changes of outline within ten minutes when kept…