orms of radiated animals aretwo classes, the sea urchins and the star fishes, whichdiffer very much from each other in external appear-ance, but which on close examination are found to besimple modifications of the same plan of structure. Iwill draw upon the blackboard three views of the seaurchin,… … we see in the center a circular space from which ra-diate five rows of small plates, the spaces betweenbeing occupied by large plates. In the circular space,alternating with the rows of small scales, are fivelarge plates, each pierced with a hole in which is aneyo. The remainder of the circular…
Patents · Claim · Combination · Ment · Fort · Scientific American · Manner · Woolen goods · Twelve months · Address munn · Emery wheel · Purposes set · Carbolic acid · Purpose set · Patent office · Tin foil
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
