. Maryland geological survey. DINOSAURIA. PLATE XIX. PAGE Figs. 1-4. Pi^uRoccELus ALTUS Marsh 200 1. Metatarsal. X %. Near Muirkirk. (5687 U. S. N. M.) 2. Middle caudal vertebra, front view. X Vs- Near Muirkirk. (5626 U. S. N. M.) 3. Same, side view. 4. Outer and side view of tooth. Natural size. Near Muirkirk. (3333 G. C.) (After Marsh.) Fig. 5. AsTRODON JOHNSTONi Leidy. Outer, side, and inner views of tooth. Natural size. Bladensburg. (798 Yale Mus.) (After Marsh.). 202 Figs. 6, 7. Dryosaukus grandis Lull 204 6. Astragalus, front view. X %. Near Muirkirk. (5652 U. S. N. M.) 7. Metatarsals, f
. Maryland geological survey. DINOSAURIA. PLATE XIX. PAGE Figs. 1-4. Pi^uRoccELus ALTUS Marsh 200 1. Metatarsal. X %. Near Muirkirk. (5687 U. S. N. M.) 2. Middle caudal vertebra, front view. X Vs- Near Muirkirk. (5626 U. S. N. M.) 3. Same, side view. 4. Outer and side view of tooth. Natural size. Near Muirkirk. (3333 G. C.) (After Marsh.) Fig. 5. AsTRODON JOHNSTONi Leidy. Outer, side, and inner views of tooth. Natural size. Bladensburg. (798 Yale Mus.) (After Marsh.). 202 Figs. 6, 7. Dryosaukus grandis Lull 204 6. Astragalus, front view. X %. Near Muirkirk. (5652 U. S. N. M.) 7. Metatarsals, front view. X V2. Near Muirkirk. (5684, 5704 U. S. N. M.) . 518 MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PLATE
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