 Hence we may infer as highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover would become very rare or wholly disappear. The number of humble-bees in any district depends in a great...  The National Review - Стр. 200редактор(ы): - 1860Полный просмотр - Подробнее о книге
 | Alphonso Gerald Newcomer - 1893 - Страниц: 280
...very rare, or wholly disappear. The number of humble-bees in any district depends in a great measure on the number of fieldmice, which destroy their combs and nests ; and Col. Newman, who has long attended to the habits of humble-bees, believes that " more than two-thirds... | |
 | Charles Darwin - 1896 - Страниц: 408
...petals. Hence we may infer as highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover...of humble-bees in any district depends in a great measure upon the number of fieldmice, which destroy their combs and nests ; and CoL Newman, who has... | |
 | Charles Darwin - 1896 - Страниц: 406
...petals. Hence we may infer as highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover...of humble-bees in any district depends in a great measure upon the number of fieldmice, which destroy their combs and nests ; and CoL Newman, who has... | |
 | 1898 - Страниц: 908
.... . . Hence we may infer as highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover...of humble-bees in any district depends in a great measure on the number of field-mice, which destroy their combs and nests; and Col. Newman, who has... | |
 | David Starr Jordan - 1898 - Страниц: 454
...probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartease and red clover would become very rare or wholly disappear....of humble-bees in any district depends in a great measure on the number of field mice, which destroy their combs and nests; and Col. Newman, who has... | |
 | Elias J. MacEwan - 1898 - Страниц: 440
...very rare, or wholly disappear. The number of humble-bees in any district depends in a great measure on the number of field-mice, which destroy their combs and nests; and Colonel Newman, who has long attended to the habits of humble-bees, believes that' more than two thirds... | |
 | Elias J. MacEwan - 1899 - Страниц: 438
...wing-petals. Hence we may infer as highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover...of humble-bees in any district depends in a great measure on the number of field-mice, which destroy their combs and nests; and Colonel Newman, who has... | |
 | 1900 - Страниц: 1124
...probable that, if the whole genus of humble-bees became extinct or very rare in England, the heart's-ease and red clover would become very rare or wholly disappear....district depends in a great degree on the number of field mice which destroy their combs and nests ; and Colonel Newman, who has long attended to the habits... | |
 | Edwin Herbert Lewis - 1902 - Страниц: 312
...probable that, if the whole genus of humble-bees became extinct or very rare in England, the heart's-ease and red clover would become very rare, or wholly disappear....of humble-bees in any district depends in a great measure upon the number of field-mice, which destroy their combs and nests ; the number of mice is... | |
 | Edward Bell - 1902 - Страниц: 258
...he says, "We may infer it is highly probable that if the whole genus of humble-bees became extinct in England, the heartsease and red clover would become very rare, or wholly disappear" (p. 53). In "Oross- and Self-Fertilization of Plants," Darwin says, " Tnfolium pratense will more or... | |
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