176 0. C. Marsh — Notes on Mesozoic Vertebrate Fossils. 

 Explanation or Plates. 



Plate II. 



Figure 1. — Left fore leg of Claosaurus annectens, Marsh: outside view, c, 

 coracoid; h, humerus; r, radius; 5, scapula; w, ulua ; I. first digit; 

 IV. fourth digit. 



Figure 2. — Left hind leg of the same individual ; outside view, a, astragalus ; c, 

 calcaneum ; f, femur; /', fibula; il, ilium; is, ischium; p, pubis; p\ 

 postpubis; t, tibia. Figures 1 and 2 are one-twentieth natural size. 



Figure 3. — Pelvis of the same individual; seen from the left. One-sixteenth 

 natural size, a, acetabulum ; other letters as in figure 2. 



Plate III. 

 Figur"e 1. — Sternal bone of Claosaurus annectens. One-eighth natural size. 



a, seen from above ; 5, seen from below. 

 Figure 2. — Left coracoid of Cimolopteryx rarus, Marsh. Natural size, a, front 



view; b, inner view; c, back view; d, lower end. 

 Figure 3. — Tooth of Palceoscincus latus, Marsh, a, natural size; b, c, d, twice 



natural size. 

 Figure 4. — Tooth of Aublysodon mirandus, Leidy. Natural size, a, front view 



with sections ; b, side view. (After Leidy.) 

 Figure 5. — Tooth of Aublysodon amplus, Marsh. Natural size, a, side view ; 



6, back view ; c, front view. 

 Figure 6. — Tooth of Aublysodon cristatus, Marsh. Twice natural size. a. side 



view ; 6, back view ; c, front view. 



Plate IV. 

 Figure 1. — Tooth of Stegosaurus ungulatus, Marsh, a, natural size; b, c, d, twice 



natural size. 

 Figure 2. — Left fore leg of the same species. 

 Figure 3. — Left hind leg of the same species. Figures 2 and 3 are one-sixteenth 



natural size. Letters as in Plate II. 



Plate V. 



Figure 1. — Left hind leg of Laosawus altus, Marsh; outside view. One-eighth 

 natural size. 



Figure 2. — Left hind leg of Camptosaurus dispar, Marsh; outside view. One- 

 twelfth natural size. 



Figure 3. — Pelvis of the same individual; seen from the left. One-twelfth 

 natural size. Letters as in the preceding plates. 



