 | William Lonsdale Watkinson, William Theophilus Davison - 1860 - 576 páginas
...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....of humble-bees in any district depends, in a great degree, on the number of field-mice, which destroy their comba and nests ; and Mr. H. Newman, who has... | |
 | New Zealand Institute - 1870 - 508 páginas
...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....of humble-bees in any district depends in a great degree on the number of field mice, which destroy their combs and nests j and Mr. H. Newman, who has... | |
 | 1885 - 662 páginas
...that, if the whole genus of humble-bees became extinct or very rare hi England, the heartsease and red clover would become very rare or wholly disappear. 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... | |
 | 1907 - 536 páginas
...very rare or 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 ; and Colonel Newman, who has long attended to the habits of humble-bees, believes that^ " more than two-thirds... | |
 | 1914 - 764 páginas
...the heartsease and red clover would become very rare or wholly disappear. The number of bumblebees 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... | |
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Now the number of. mice is largely dependent, as every one knows, on the number of cats; and Col. 
