38 



BULLETIN 110, UNITED STATES NATIONAL MUSEUM. 



A 





Fig. 21.— Diagram 1, "Quarry C," located one-fourth mile west of "Quarry 13," which has been definitely located 



IN NORTHEAST QUARTER OF SECTION 5, TOWNSHIP 22 NORTH, RANGE 76 WEST, ALBANY COUNTY, WYOMING. THIS MAP SHOWS 

 THE EXACT RELATIVE POSITIONS OF THE BONES BELONGING TO SPECIMEN NO. 8367, U.S.N.M., ANTRODEMUS VALENS LEDDY. 

 COLLECTED IN 1886 BY FRED BROWN. SCALE ABOUT ONE-HALF FOOT TO THE INCH. 



1. Sixth chevron; 2. Thoracic rib, No. 4, R. (See B, fig. 36.); 3. Third, fourth, and fifth sacral centra; 

 4. Seventh caudal vertebra; 5. Sixth caudal vertebra. (See fig. 28, also pl. 1 figs. 4, 5, and 6.); 6. Fifth caudal 

 vertebra; 7. Fourth caudal vertebra; 8. Third caudal vertebra; 9. Second caudal vertebra; 10. First caudal 

 vertebra. (see fig. 2, pl. 31.); 11. second chevron; 12. fifth chevron; 13. third chevron; 14. fourth chevron; 

 15. Median caudal vertebra. (See fig. 29.); 16. Thoracic rib. No. 6, L; 17. Thoracic ribs, Nos. 2, 3, and 9, R; 

 18. Presacral vertebrae, Nos. 12 and 13. (See figs. 22 and 23.); 19. Seventh dorsal verteeral centrum; 20. Tho- 

 racic rib, No. 7, R. (See fig. 36, C); .21. Thoracic rib, No. 6, R; 22. Sixth cervical vertebra. (See fig. 18, 6.); 

 23. Seventh cervical vertebra. (See fig. 18, 7.); 24. Ischium; 25. Pubes. (See fig. 47.); 26. Abdomlnal ribs. (See 

 Fig. 38.); 27. Abdominal ribs. (See fig. 38.); 28. First chevron; 29. Abdominal ribs. (See fig. 38.); 30. Ischium; 

 31. Thoracic rib; 32. Thoracic rib, No.ll, R; 33. Thoracic rib, No. 10, R; 34. Thoracic rib. No 9, R. (See fig. 36 

 D.); 35. Fourteenth dorsal vertebra. (See fig. 27.); 36. Twelfth dorsal vertebra. (See fig. 26.); 37. Eleventh 

 dorsal vertebra. (See fig. 25.); 38. Tenth dorsal vertebra; 39. Eighth dorsal vertebra; 40. Ninth dorsal ver- 

 tebra. (See fig. 24.); 41. Sixth dorsal vertebra. (See fig. 23.): 42. Thoracic ribs No. 8, R; 43. Head of thoracic 



