| 1835 - 588 páginas
...particular islets they frequent. They commence hardly be called an occasional visitant to this country, the this operation about the first week in May, and the hole is those which hare appeared here have been evidently cxgenerally excavated to the depth of three feet,... | |
| 1847 - 282 páginas
...some of the burrows. Many Puffins dig their own burrows, and commence this operation early in May : the hole is generally excavated to the depth of three feet, often in a curving direction, and sometimes with two entrances. The males principally perform this work, and are so intent upon it, as... | |
| 1849 - 614 páginas
...regularly departing between the 10th and the 20th of August. Many resort to the islands, selecting snch as are covered with a stratum of vegetable mould;...rabbits to dispossess upon the particular islets they freqnent. They commence this operation about the first week in May, and the hole is generally excavated... | |
| Charles Knight - 1866 - 584 páginas
...of Man, and most of the islands indeed of the English and Scottish coasts. Many resort to the Faroe Islands, selecting such as are covered with a stratum...depth of three feet> often in a curving direction, uud occasionally with two entrances. When engaged in digging, which in principally performed by the... | |
| Charles Knight - 1866 - 582 páginas
...of Man, and most of the islands indeed of the English and Scottish coasts. Many resort to the Faroe Islands, selecting such as are covered with a stratum...hole is generally excavated to the depth of three IVct, often 313 AUK. 318 in a curving direction, and occasionally with two entrances. When engaged... | |
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