The advantage depends on the obstruction given to the descent of the sap. The ring should be cut out in spring, and be of such a width that the bark may remain separated for the season.
In England the people are free to assemble as they please, to march in procession through the streets, to gather in open spaces, to listen to the harangues, often forcibly expressed, of mob orators, provided always that no obstruction is caused or that no disorder or breach of the peace is threatened.
It is invariably the result of some cause acting generally, such as renal disease, valvular defect of the heart, or an impoverished state of the blood; while a mere oedema is usually dependent upon some local obstruction to the return of blood or lymph, or of both, the presence of parasites within the tissue, such as the filaria sanguinis hominis or trichina spiralis, or the poisonous bites of insects.
But in November 1898, on the occasion of the renewal of the commercial convention with Austria, the attack on the ministry was renewed with unprecedented virulence, obstruction being systematically practised with the object of goading the government into committing illegalities, till Banffy, finding the situation impossible, resigned on the 17th of February 1899.
The extreme pain and rapid swelling of the vocal cords - with threatened obstruction to the respiration - that characterize acute laryngitis may often be relieved by the sedative action of this drug upon the circulation.
But the proposals of the latter met with organized obstruction on the part of the Socialist deputies, and after a few months' tenure of office he gave way to M.
In cases of obstruction or of palsy of the gullet, his three modes of treatment are ingenious.
Owing to the obstruction which they offer to drifting sands, artificial dunes are in course of time formed about them, and in this way they become at once more effective and less costly to maintain.
The waterway of the present London Bridge is 690 ft., and the removal of the obstruction caused by the old bridge caused a lowering of the low-water level by 5 ft., and a considerable deepening of the river-bed.
In the end the obnoxious clauses were only withdrawn when the Socialists used the forms of the House to prevent business from being transacted It was the first time that organized obstruction had appeared in the Reichstag, and it was part of the irony of the situation that the representatives of art and learning owed their victory to the Socialists, whom they had so long attacked as the great enemies of modern civilization.