Knowledge of natural history, revfrom Reason why: natural history, giving reasons for hundreds of interesting facts in connection with zoology; and throwing light upon the peculiar habits and instincts of the various orders of the animal kingdom . ough thewhole skin of the body are thus constantlyexhaling the noxious and decayed par-ticles of the body. It is calculated thatabout three or four pounds of waste mat-ter pass off through the skin every twenty-four hours. 102. Why is watered milk the most suitable food forthe nourishment of the infant? Because this aliment has a close analogy to blo


Knowledge of natural history, revfrom Reason why: natural history, giving reasons for hundreds of interesting facts in connection with zoology; and throwing light upon the peculiar habits and instincts of the various orders of the animal kingdom . ough thewhole skin of the body are thus constantlyexhaling the noxious and decayed par-ticles of the body. It is calculated thatabout three or four pounds of waste mat-ter pass off through the skin every twenty-four hours. 102. Why is watered milk the most suitable food forthe nourishment of the infant? Because this aliment has a close analogy to blood, andthe greatest amount of nutrition is therefore afforded in anagreeable form, and by an easy method, whereas any othermode of supplying the same amount and quality of foodwould overtax the powers and functions of the infant. 103. If a small drop of milk be* submitted to the microscope itwill be found to manifest nearly the same appearances as a drop ofblood will present. A multitude of minute pearly sphericles with themost perfect outline, reflecting light brilliantly from their center, andvarying in magnitude from the 12,500th to the 3,000the part of an inch > in diameter, and even larger as seen floating in the fluid. The general. 38 KNOWLEDGE OF NATURAL HISTORY. My pulse as yours doth temperately keep time,And makes as healthful music.—Shakspere. magnitude and number of these globules vary much, not only in thecase of one species of animal compared with another, but with differentindividuals of the same species, and even with the same Individualunder different circumstances. The constituent upon which the nutritiveproperties of milk mainly depends is butter; in this respect womansmilk is found to be by far the richest, as will be seen from the follow-ing comparative results:— Woman. Cow. Goat. Ass. Fat Sugar Protein Water 104. Why is it better for manki


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1916