. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. NIPPLE DEVELOPMENT OF PLACENTALS 113 be incorrect, we still find these views repro- duced in almost all textbooks of zoology and comparative anatomy at the present time. In ^^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bresslau, E. (Ernst), 1877-; Hill, James Peter, 1873-1954. London : Methuen & Co.

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