38 



BULLETIN 110, UNITED STATES NATIONAL MUSEUM. 



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 7C 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 LEIDY. 



collected in 1886 BY Fred Bkown. Scale about one-half foot to the inch. 



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

 4. Seventh caudal vertebra; 5. Slxth caltdal vertebra. (See fig. 2S, also pl. 1 figs. 4, 5, and 6.); 6. Fifth caudal 

 vertebra; 7. Fourth caudal vertebra; S, Third caudal vertebra; 9. Second caudal vertebra; 10. First caudal 



VERTEBRA. (SeE FIG. 2, PL. 31.); II. 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 vertebral centrum; 20. Tho- 

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

 23. Seventh CERVICAL VERTEBRA. (See fig. 18, 7.); 24. IsciiniM; 25. Pubes. (See fig. 47.); 26. Abdominal 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.11, R; 33. Thoracic rih. No. 10, U: 34. Thoracic rib. No 9, R. (See fig. 36 

 D.); 35. FoimTEENTH dorsal vertebra. (See fig. 27.); 3C. Twelfth dorsal vertebra. (See fig. 20.); 37 Eleventh 



DORSAL VERTEBRA. (SEE FIG. 25.); 38. TENTH DOBSAL 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 



