 ... first year, would destroy eighty thousand grubs. Let us suppose that the half, namely, forty thousand, are females, and it is known that they usually lay about two hundred eggs each, it will appear, that no less than eight millions have been destroyed,...  Indian Corn: Its Value, Culture, and Uses - Page 160by Edward Enfield - 1866 - 308 pagesFull view - About this book
 | James Anderson - Agriculture - 1800 - 632 pages
...eight millions of grubs have been destroyed, or prevented from being hatched, by the labours of this single family of jays. It is by reasoning in this...of nature, and to be cautious how we derange it by any of our short-sighted and futile operations. Not only are there a great diversity of birds who watch... | |
 | Cuthbert William Johnson - Agricultural chemistry - 1844 - 1210 pages
...that no less than eight millions have been destroyed, or prevented from being hatched, by the labours of a single family of jays. It is by reasoning in...derange it by our short-sighted and futile operations." Our own country abounds with insect-eating beasts and birds, and without doubt the more than abundant... | |
 | Samuel Maunder - Animals - 1848 - 924 pages
...destroyed, or prevented from being hatched, by the laboure of a single family of jayi. It i« by reawming in this way, that we learn to know of what Importance...nature, and to be cautious how we derange It by our abort and futile operations. From Vincent KollarV uacful work on the injuries done to vegetation by... | |
 | Thaddeus William Harris - Beneficial insects - 1852 - 536 pages
...require many more of a smaller size. Say that, on an average of sizes, they consumed twenty a-piece, these for the five make one hundred. Each of the parents...derange it by our short-sighted and futile operations." Our own country abounds with insect-eating beasts and birds, and without doubt the more than abundant... | |
 | Country life - 1852 - 608 pages
...is well known that they lay about 200 eggs each ; it will appear, that no less than eight million» have been destroyed, or prevented from being hatched...derange it by our shortsighted and futile operations." ED. NOTES FROM ILLINOIS. — Sir: It is rather late in the season to inform you of the effects of the... | |
 | Country life - 1852 - 618 pages
...labors of a single family of jays. It is by reasoning in this that we learn to know of what importance is to attend to the economy of nature, and to be cautious Low we derange it by our shortsighted and futile operations." ED. NOTES FEOM ILLIHOIS.— Sir: It is... | |
 | Thaddeus William Harris - Beneficial insects - 1862 - 700 pages
...require many more of a smaller size. Say that, on an average of sizes, they consumed twenty apiece, these for the five make one hundred. Each of the parents...derange it by our short-sighted and futile operations." Our own country abounds with insect-eating beasts and birds, and without doubt the more than abundant... | |
 | Thaddeus William Harris - Beneficial insects - 1862 - 696 pages
...one season. But as the grub continues in that state four seasons, this single pair, with their familv alone, without reckoning their descendants after the...derange it by our short-sighted and futile operations." Our own country abounds with insect-eating beasts and birds, and without doubt the more than abundant... | |
 | Thaddeus William Harris - Beneficial insects - 1862 - 676 pages
...reckoning their descendants after the first year, would destroy eighty thousand grubs. Let us suplxlse that the half, namely, forty thousand, are females,...derange it by our short-sighted and futile operations." Our own country abounds with insect-eating beasts and birds, and without doubt the more than abundant... | |
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