 ... the orchard and nurseries, gliding silently across the meadows or encircling the stacks of grain in search of mice and insects. Thousands upon thousands of mice of different kinds thus fall victims to their industry. Their economic relations, therefore,...  Bird-lore - Էջ 1801903Ամբողջությամբ դիտվող - Այս գրքի մասին
 | United States. Department of Agriculture - 1889 - 668 էջ
...to their industry. Their economic relations therefore are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned. In winter many have noticed the tracks of mice which often form networks in the snow, crossing and recrossing,... | |
 | WASHINGTON GOVERNMENT - 1889 - 654 էջ
...to their industry. Their economic relations therefore are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned. Frogs are devoured greedily, while other batrachians and small reptiles ,are occasionally eaten. Crawfish... | |
 | Albert Kenrick Fisher - 1893 - 324 էջ
...to their industry. Their economic relations therefore are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned. Those who have rambled much in the country in the clear winter mornings must have noticed the tracks... | |
 | 1893 - 320 էջ
...to their industry. Their economic relations therefore are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned. Those who have rambled much in the country in the clear winter mornings must have noticed the tracks... | |
 | Ohio Academy of Science - 1901 - 734 էջ
...crustaceans, and insects Their economic relations, therefore, are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned." (Fisher.) 144. (375.) BUBO VIRGINIANUS (Gmel.). 159. Great Horned Owl. Synonyms: Strix virglnanus.... | |
 | Florence Merriam Bailey - 1902 - 698 էջ
...therefore, are of the greatest importance, particularly on account of the abundance of the species in many farming districts ; and whoever destroys them through...ignorance or prejudice should be severely condemned." (Fisher.) 373b. M. a. mccalli (Cuss.). TEXAS SCREECH OWL. Dichromatic ; gray or rufous. Gray phase... | |
 | Rudolph Martin Anderson - 1907 - 312 էջ
...to their industry. Their economic relations, therefore, are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned" (Fisher, Hawks and Owls, 166-173). Genus BUBO Dumeril. 167. (375). Bubo virginianus (Gmel.). Great... | |
 | Davenport Academy of Sciences - 1910 - 576 էջ
...to their industry. Their economic relations, therefore, are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned " (Fisher, Hawks and Owls, 166-173). Genus BUBO Dumeril. 167. (375). lin 60 virginianus (Gmel.). Great... | |
 | Davenport (Iowa) Public Museum - 1910 - 898 էջ
...to their industry. Their economic relations, therefore, are of the greatest importance, particularly on account of the abundance of the species in many...ignorance or prejudice should be severely condemned " (Fisher, Hawks and Owls, 166-173). Genus BUBO Dumeril. 167. (375). Bubo virginianus (Gmel.). Great... | |
 | 1906 - 374 էջ
...species fall victims to their industry. Their economic relations therefore are of the greatest importance and whoever destroys them through ignorance or prejudice should be severely condemned. The commoner hawks also are beneficial, destroying great numbers of mice or insects, it is all right... | |
| |
