 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
 | Robert Bird - 1870 - Страниц: 262
...probable that if the whole genus of humble-bees become 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... | |
 | Charles Darwin - 1873 - Страниц: 492
...that, if the whole genus of humble-bees became extinct or very rare in England, the heartsease and led 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... | |
 | Bath Natural History and Antiquarian Field Club (Bath, England) - 1873 - Страниц: 536
...humble-bees. He says he has " very little doubt 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." He then goes on to remark that " the number of humble-bees in any district depends in a great degree... | |
 | George St. Clair - 1873 - Страниц: 280
...able to reach the nectar. Hence we may infer, that if the whole genus of humble bees became extinct, or very rare in England, the heartsease and red clover would become very rare, if they did not wholly disappear. The number of humble bees in any district depends in a great degree... | |
 | George St. Clair - 1873 - Страниц: 296
...and red clover would become very rare, if they did not wholly disappear. The number of humble bees in any district depends in a great degree on the number of field mice, which destroy their combs and nests, so much so that Mr H. Newman, who has long attended... | |
 | Dr. Schmidt (Eduard Oskar), Oscar Schmidt - 1875 - Страниц: 372
...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...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... | |
 | Dr. Schmidt (Eduard Oskar), Oscar Schmidt - 1875 - Страниц: 362
...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...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... | |
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1875 - Страниц: 486
...instance of this when speaking of the fertilisation of the red clover by the visits of the humble-bee. " The number of humble-bees in any district depends...of fieldmice, which destroy their combs and nests ; . . . the number of mice is largely dependent, as every one knows, on the number of cats Hence, it... | |
 | William Swinton, George Rhett Cathcart - 1880 - Страниц: 364
...doubt, 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 field-mice, which destroy their combs and nests. More than two thirds of them are thus destroyed all over England. 5. Now the number of mice is largely... | |
 | William Swinton, George Rhett Cathcart - 1880 - Страниц: 346
...doubt, 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 field-mice, which destroy their combs and nests. More than two thirds of them are thus destroyed all over England. 5. Now the number of mice is largely... | |
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