4/0 H. W. SHIMER PERMO-TRIASSIC OF NORTHAVESTERX ARIZONA 



These strata contain many concretions, both small and large, the latter 

 var^'ing from 5 to 9 inches in diameter. Two caves showing signs of 

 former occupation by the Cliif-dwellers were noted. 



The very abundant fossils include — 



Lophophyllum profiindum E. & H. c 



Criuoid joints C 



Septopora Mserialis (Swallow) c 



Meekella pyramidal^ Newberry c 



Productus ivesi Newberry c 



P. occidentalis Newberry c 



P. cf. semireticulatus (Martin) r 



PustuJa neltraslcensis (Owen) r 



Spiriferina kentuckicnsis (Shumard) c 



Feet 



10. Light greenish gray limestone 4 



This bed is very full of large concretions. It weathers back rapidly, 

 forming caves, some of which noted had been occupied hy the ancient 

 Cliff-dwellers. 



The fossils collected are 



Lophophyllum profiindum E. & H. r 



Crinoid joints C 



Productus ivesi Newberry r 



Feet 



11. Light broMai limestone with few concretions 5 



The fcAv fossils include 



Crinoid joints O 



Productus ivesi Newberry r 



Feet 



12. Light brown limestone full of irregularly scattered siliceous concre- 



tions 12 



The abundant fossils include 



Crinoid joints C 



Productus ivesi Newberry c 



Meekella pyramidal is (Newberry) c 



The following fossils were found in talus from the above section : 



Lophophyllum profundum E. & H. c 



Chfvtetes milleporaeeus E. & H. r 



Cf. Beptopora hiserialis Swallo^v R 



Productus ivesi Newberry r 



P. occidentalis Newberry C 

 P. cf. costatus (Sowerby ?) de Koninck R 



Pustula punctata (Martin) r 



