ABSTRACT
While dissecting the heart of the common turtle in August, 1860, I observed certain elongated, flattened white bodies, upon the interior of the cavities, and on the valves. The number of the bodies was considerable, and they existed in all the chambers of the organ, but I had no opportunity of examining the blood-vessels. Their average length was aline and a half, and the breadth about one third of this. On examining with the microscope, I found them to be fluke worms which presented some novel features.
This, however, can scarcely be the case; the spawn of the Bullhead consists of a compact mass of agglutinated ova, and is firmly attached to the under sides of stones and other submerged bodies; these fish, moreover, love a gravelly bottom, and are not generally found in the same company with the mud-loving swan-mussel.
