In the preparation of the present paper, the literature proved of little value. It contained nothing about the circulation of thyroid adenomas, so we were compelled to limit ourselves to the literature on the circulation of the normal thyroid, which is decidedly meager.
The considerable difference of opinion about the minuter details is striking. Two schools have grown up, a French and a German, the first led by Testut, Poirier, Bernard and Thane (quoted by Landström1), generally claiming the presence of anastomosis between the thyroid arteries; the second, represented by Kopsch, Von Eiselsberg, Hurtle and Jaeger-Luroth (quoted by Landström1), maintaining that thyroid arteries are end arteries, or that the anastomosing vessels are only capillaries.
Landström1 and Streckeisen,2 by their injections, demonstrated clearly that anastomoses were present on the surface of the glands, not only between arteries of the same side but also between those of opposite