 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
 | Charles Darwin - 1883 - Страниц: 494
...very rare, or wholly disappear. The numVer af humble-bees in any district depends in a great measure on the number of field-mice, which destroy their combs and nests; and OoL Newman, who has long attended to the habits of humble-bees, believes that " more than two-thirds... | |
 | John Michels (Journalist) - 1883 - Страниц: 880
...struggle for existence," he says, "The numlwr of humblebees 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 long attended to the habits of humblebees, believes that ' more than two-thirds... | |
 | Henry Christopher McCook - 1884 - Страниц: 490
...England, the heart's-ease and red clover (which they fertilize by carrying pollen from flower to flower), would become very rare or wholly disappear. The number...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... | |
 | Charles Darwin - 1884 - Страниц: 396
...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 on the number of field-mice, which destroy their combs and nests ; and Colonel Newman, who... | |
 | 1885 - Страниц: 686
...reach the nectar Hence it is highly probable that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and red clover...The number of humble-bees in any district depends on the number of field-mice, which destroy their combs and nests ; aud Col. Newman, who has long attended... | |
 | Junius Benjamin Remensnyder - 1886 - Страниц: 382
...climates having their distinct flora; and every traveler to *"If the genus of humble-bees became extinct or very rare in England, the hearts-ease and red clover would become very rare, or wholly disappear." — Darwin's Origin of Species, p. 71. 'distant parts makes new discoveries. And what symmetry in the... | |
 | Joseph Thomas Cunningham - 1886 - Страниц: 48
...protense, can only be fertilized by humble bees. The number of humble bees depends in great measure on the number of fieldmice, which destroy their combs and nests, and the number of field-mice is largely dependent on the number of cats. Carl Vogt has pursued this chain... | |
 | William Baker - 1892 - Страниц: 156
...These are his words : — It is 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... | |
 | Sir Patrick Geddes - 1893 - Страниц: 298
.... . . 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... | |
 | Sir Patrick Geddes - 1893 - Страниц: 232
...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... | |
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