PLATE 3 
EXPLANATION OF FIGURES 
6 Detail of a cross-section of earthworm, regeneration complete, showing 
the epithelial growth and the intimate relations of the fibers of the plug to the 
muscle layers. Iron haematoxylin and orange G. XX 750. 
7 Camera-lucida drawings of cells from blood smears and films, stained with 
Wright’s stain for blood corpuscles. X 1700. A. Contracted corpuscle with 
basophile granules. B. Contracted corpuscles with eosinophile granules. C. 
Same as B showing cytoplasm expanded. D. Clump of agglutinated corpuscles. 
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