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Cut 35.— Section through a normal placenta of seven months, in situ. Am, 
amnion; Cho, chorion; V2, villus trunk; 77, sections of villi in the substance of the 
placenta; D, decidua; A/c, muscularis; D’, compact layer of decidua; Ve, uterine 
blood-vessel (or gland?) opening into the placenta. The fcetal blood-vessels are 
drawn black; the maternal blood spaces are left white; the chorionic tissue 1s 
stippled, except the canalized fibrine, which is shaded by lines; the remnants of the 
gland cavities in D! are stippled dark. (Drawn from nature by J. H. Emerton. ) 
