 | Thaddeus William Harris, Massachusetts. Zoological and Botanical Survey - 1841 - 484 lehte
...their operations is known by the oozing of the sap and the dropping of the saw-dust from the holes. The bark around the 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 lehte
...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 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 lehte
...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...they have suffered." According to the observations of a writer in the " Massachusetts Agricultural Repository and Journal," vol. vi., the larvae of this... | |
 | Daniel Jay Browne - 1846 - 548 lehte
...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...will become disfigured and weakened by large, porous tumours, caused by the efforts of the trees to repair the injuries they have suffered." According to... | |
 | Daniel Jay Browne - 1846 - 542 lehte
...and in a few years the trunk and limbs will become disfigured and weakened by large, porous tumours, caused by the efforts of the trees to repair the injuries...they have suffered." According to the observations of a writer in the " Massachusetts Agricultural Repository and Journal," vol. vi.,' the larvœ of this... | |
 | Thaddeus William Harris - 1852 - 536 lehte
...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 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 lehte
...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 and limbs will become disfigured and weakened by large porous tumors, caused by the •efforts... | |
 | Thaddeus William Harris - 1862 - 696 lehte
...sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large...suffered. According to the observations of General HA S. Dearborn, who has given an excellent account* of this insect, the grubs attain their full size... | |
 | Thaddeus William Harris - 1862 - 700 lehte
...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 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 lehte
...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 swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumours, caused by the efforts... | |
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... 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 swell,... 
