438 



APPENDIX. 



CLASSIFICATION OF THE STRATIFIED ROCKS OF NORTH AMER- 

 ICA— {Continued). 



SB 



a > 



•j: 



J 



Groups. 



Localities. 



Some leading Types 

 of Fossils. 



1 S 

 O 



w 

 3 



•2 = 

 u 2 



Later Creta. 

 Earlier Creta. 



Kansas; Nebraska. 



Montgomery, Selma, 



etc., Ala. 



Ammonites ; Sharks ; Lizards. 

 Angiospermous plants. 



i 



3 



Wealden. 

 Oolite. 

 Lias. 



[Not known in Amer- 

 ica.] 



Jurassic strata, mostly 

 west of Mississippi, 

 extending into Cali- 

 fornia. 



Iguanodon and other Lizards. 



Pterosaurs ; Gar-pikes ; 



Ichthyosaurs ; Plesiosaurs. 



H £ 



Trias. 



Kansas? Conn.? 



Saurians and Labyrintho- 

 donts. 



o 



o 



N 



o 



s 



•< 



3 



(3 



Permian. 



Coal Measures. 

 Conglomerate. 



False Coal Meas. 

 Mountain Lime- 

 stone. 



Marshall. 



Kansas; N. C. 



Mid. and West. States. 

 Every where beneath 



Coal Measures. 

 Ky. ; Tenn. ; W.Va. ; 0. 

 West. States ; St. Louis. 



Cleveland ; Burlington, 

 Iowa; Michigan. 



Coal plants and marine ani- 

 mals. 

 Land plants ; marine animals. 

 Stems of drift-wood. 



Land plants. 

 Crinoids ; Corals ; Chambered 



Shells. 



Chambered Shells ; Bfachio- 



pods ; Fishes. 



c 

 '3 



1 



Chemung. 

 Hamilton. 



Corniferous. 



Oriskany. 



Southern New York. 

 Buffalo, N. Y. ; Iowa 



City. 

 Columbus, 0. ; Mon- 

 roe, Mich. 

 Cumberland, Md. ; Pa. ; 

 N.Y. 



Brachiopods. 



Brachiopods; Tribolites; 



Fishes. 



Corals ; Brachiopods ; First 



Fishes. 



Brachiopods. 



K 



Lower Helder- 

 berg. 

 Salina. 



Niagara. 



Cincinnati. 



Trenton. 



Chazy. 



Levis. 



Calciferous. 



Potsdam. 



St. John's. 



Helderberg Mts., N.Y. ; 

 Me. ; Mo. ; 0. ; Mich. 

 Syracuse,N.Y.;Galt,C. 

 W. ; Mackinac, Mich. 

 Niag. Falls ; Chicago ; 



Drummond's Isl. 

 Cincinnati, 0. ; Nash- 

 ville, Tenn. 

 N. Y. ; Can. ; Mich. ; 



Tenn. 

 E. side Kewenaw Pt. ; 



Can. ; N. Y. 

 Quebec, Can. ; Phillips- 

 burg, N. Y. 

 W. side Kewenaw Pt. ; 



N. Y. ; Canada. 

 Potsdam, N.Y. ; St. Pe- 

 ter's R., Minn. 

 St. John's, N.F.; Geor- 

 gia, Vt. 



Crinoids ; Brachiopods. 



Crustaceans. 



Corals (Chain Coral, etc.). 



Brachiopods; Corals (many 



small). 



Orthoceratites ; Gasteropods; 



Crinoids. 



Orthoceratites ; Trilobites. 



Trilobites ; Graptolites. 



Trilobites ; Gasteropods ; Cor- 

 als. 

 Trilobites ; Brachiopods ; 

 Sponges. 

 Trilobites ; Orthis ; Lingula ; 

 Cystids. 



d 



i 



.2 

 '3 



IB 



[Not yet subdi- 

 vided.] 



N. shore of L. Huron ; 

 Iron region of L. Supe- 

 rior ; 

 Some of the E. swells of 

 the Appalachian chain. 



Perhaps the Cambrian fossils 

 of Europe are of this age. 





Labrador. f 



Lower Lau- 1 

 rentian. (_ 



Adirondack Mts. ; 

 N. shore L. Superior ; 

 vast region north of St. 

 Lawrence R., Canada. 



Only fossil known is Eozoon. 

 The American species is 

 Eozoon Canadense. Plants 

 probably existed. 



