. Fig. 24. Abnormal horny growth on the head of a deer. Specimen in State Museum, Augusta, Maine. Courtesy of the superintendent the region of the lymphatics, may alter their function and secrete real milk. This development of a part out of place is not common, but it occurs frequently enough to show^ the fact that each part of the body is a kind of definite unit quite independent of other parts, all of which casts important light upon the semi-independ- ent nature of unit characters.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1910