Greek Tortoise Plastron Small 236×320 Medium 473×640 Large 756×1024 Download Tiff Original 2160×2924 | (1.2 MB) Description "Scales on ventral surface of plastron of Greek tortoise. G., Gular; H., humeral; P., pectoral; Ab., abdominal; F., femoral; A., anal; M., marginal." -Thomson, 1916 Keywords greek tortoise shell, gular, humeral, ventral plastron scales Galleries Reptile Anatomy Source: J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)