Skull of Greek tortoise Small 320×246 Medium 640×491 Large 1024×786 Download Tiff Original 2400×1842 | (505.5 KB) Description Skull of a Greek tortoise, showing the brain cavity. Keywords brain, cavity, Greek, head, skull, Tortoise, zoology Galleries Reptile Anatomy Source: Finley, John H. Nelson's Perpetual Loose-Leaf Encyclopedia (New York City: Thomas Nelson and Sons, 1917) 11:240
