. Maryland geological survey. 8 DINOSAURIA. PLATE XV. PAGE Fig. 1. Tooth of Ccelueus gracilis Marsh. Natural size. Near Muir- kirk. (3336 G. C.) (After Marsh.) 187 Figs. 2-5. Pleuroccelus nanus Marsh. (After Marsh.) 188 2. Posterior cervical vertebra, x ^/^- Near Muirkirk. (5678 U. S. N. M.)2a. Section of same at line Supra-occipital, superior view. X V2- Near Muirkirk. (5692 U. S. N. M.)3b. Same, posterior Same, inferior view. 4. Dorsal vertebra, x %• Near Muirkirk. (4968 U. S. N. M.) f. Lateral cavity (pleurocoele). a. Anterior end. p. Posterior end. n. Neural canal. s. Sutu


. Maryland geological survey. 8 DINOSAURIA. PLATE XV. PAGE Fig. 1. Tooth of Ccelueus gracilis Marsh. Natural size. Near Muir- kirk. (3336 G. C.) (After Marsh.) 187 Figs. 2-5. Pleuroccelus nanus Marsh. (After Marsh.) 188 2. Posterior cervical vertebra, x ^/^- Near Muirkirk. (5678 U. S. N. M.)2a. Section of same at line Supra-occipital, superior view. X V2- Near Muirkirk. (5692 U. S. N. M.)3b. Same, posterior Same, inferior view. 4. Dorsal vertebra, x %• Near Muirkirk. (4968 U. S. N. M.) f. Lateral cavity (pleurocoele). a. Anterior end. p. Posterior end. n. Neural canal. s. Suture for neural arch. 5. Sacral vertebra. Left lateral and posterior views. X V2- Near Muirkirk. (4946 U. S. N. M.) r. Facet for rib, other letteringas in Fig. 4. 5U MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PLATE XV.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1901