Love, the course of true, 28. —— the instinct of, 124. —— the power of, 133. —— the companionship of, 219. —— the perfect, 300. —— a necessary attraction, 325. Lovers, married, economically apart, 219. Lower animals, economic dependence among, 5, 6. —— mothers, 180. Loyalty, growth of the virtue of, 274. —— the first principle of social existence, 274. —— different phases of, 274. —— to the father, 275. —— to the king, 275. —— modern examples of, 276. —— to work, 276. “Lynn, the Three Old Maids of,” 88. Maid, the old, in proverb, 88. “Maids, the Three Old, of Lynn,” 88. Males, Nature’s experiments in, 130. Mammalia, the order, resultant of primary sex-distinction, 35. Mammalia, the habits of the order, 36. Man the food supply of woman, 22. —— the economic environment of woman, 38. —— woman’s strongest modifying force, 38. —— the choice of a young, 71. —— “marriage makes a mouse of a,” 113. —— the maternalizing of, 127. —— a good family, 303. —— the new, 316. —— dual nature of, 332. —— sovereignty of, due to accident of sex, 337. —— young, in the city, 311. —— visiting women, 311. —— a new incentive for, 315. Manhood, woman’s new estimate of true, 315. Marriage, not a partnership, 10. —— development of monogamous, 25, 95. —— advantage of, to the race, 25. —— moral qualities of, 25. —— a lottery (quot.); 28. —— attitude of a woman toward, 86. —— of convenience, 92. —— women to improve the race by, 92. —— “makes a mouse of a man,” 113. —— _vs._ collectivity, 115. —— a sanctioned form of sex-union, 213. —— and “the family,” 213. —— _vs._ the family, 215. —— development of, retarded by the family, 218. —— increasing demand for true, 218. —— not identical with home, 220. —— bachelor apartments _vs._, 297. —— human comfort not dependent on, 298. —— without housekeeping, 299. —— men and women forced by their needs to, 300. —— value of the care of children to, 301. —— social freedom before, 309. —— social freedom after, 310. —— friendship often destroyed by, 310. —— the cross-bred product of our, 332. —— relation, permanence of, 301. Married lovers economically apart, 219. Marrow’s Food for infants, 196. Mars, 192. Martineau, Harriet, 53. Martyrs, development of, 80. Martyrs in proverb, 80. —— men and women equal as, 147. Masculine activity in obstetrics, 197. Master, vices of the, 338. Maternal duties, alleged requirements of, 19. —— energy, the source of productive industry, 126. —— instinct, unworthy of superstitious reverence, 194; results of, 198. —— passion a sex-distinction, 41. —— sacrifice, as a means of benefiting the species, 191. Maternalizing of man, 127. Maternity. See Motherhood. Matriolatry, 174, 176. Measure of human motherhood, 190. Men, progress of humanity accomplished by, 74. —— forced by their needs to marriage, 300. —— the better friendship of, 306.