 ... of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to...  Forest Leaves - Page 741890Full view - About this book
 | Thaddeus William Harris, Massachusetts. Zoological and Botanical Survey - 1841 - 484 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumors, caused by the efforts... | |
 | Cuthbert William Johnson - 1844 - 1210 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumours, caused by the efforts... | |
 | 1846 - 392 pages
...open new holes through the- bark. The seat of their operations is known by the oozing of the sap and dropping of the saw-dust from the holes. The bark...and weakened by large porous tumors, caused by the efforts of the trees to repair the injuries they have suffered." According to the observations of a... | |
 | Daniel Jay Browne - 1846 - 542 pages
...fragments of wood, to get rid of which, the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and dropping of the saw-dust from the holes. The bark around the part attacked begins to swell, and in... | |
 | 1846 - 390 pages
...fragments of wood, to get rid of which, the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and dropping of the saw-dust from the holes. The bark around the part attacked begins to swell, and in... | |
 | Thaddeus William Harris - 1852 - 536 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumors, caused by the efforts... | |
 | American Institute of the City of New York - 1853 - 550 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the saw dust from the hoh s The bark around the part attacked begins to swell, and in a few years the trunks... | |
 | Thaddeus William Harris - 1862 - 700 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumors, caused by the efforts... | |
 | Cuthbert William Johnson - 1869 - 1296 pages
...fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumours, caused by the efforts... | |
 | 1866 - 412 pages
...the heart wood being all cut away ; there is nothing but the bark left. The seat of their operation is known by the oozing of the sap, and the dropping of the saw dus.t from the holes. A pointed wire introduced will, by puncturing the grub, destroy it. But the... | |
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