ILLUSTRATIONS 



PLATE FACING PAGE 



I. Fig. 1. — View from Sideling Hill showing Town Hill in background 48 

 Fig. 2. — View showing the Marcellus and Hamilton members of the 



Romney formation at 21st Bridge 48 



n. Fig. 1. — View showing bending of Romney shale, due to creep, in 



cut of Western Maryland Railroad west of Tonoloway 04 



Fig. 2. — View showing the Lower Romney sandstone on Chesa- 

 peake and Ohio Canal near Tonoloway 64 



HI. Fig. 1. — View showing Jennings topography near Little Orleans. . . 384 

 Fig. 2. — View showing rectilinear jointing in the sandy shale of the 



Jennings formation near Stotlers Crossroads 384 



IV. Fig. 1. — View showing the Woodmont shales on Town Creek, east of 



Gilpin 400 



Fig. 2. — View showing the contact of the Genesee and Woodmont 



west of Corriganville 400 



V. Fig. 1. — View showing the Catskill formation on Jennings Run 



Road, 1 mile east of Barrellville 410 



Fig. 2. — View showing the lower part of the Catskill formation on 



Jennings Run 116 



VL Columnar sections in pocket at end of volume. 



MIDDLE DEVONIAN PALEONTOLOGY 

 VII. Coelenterata-Anthozoa, Vermes-Chaetopoda and Molluscoidea- 



Bryozoa In Atlas 



VIII-XX. Molluscoidea-Brachiopoda In Atlas 



XXI. Molluscoidea-Brachiopoda and Mollusca-Pelecypoda In Atlas 



XXII-XXXIV. Mollusca-Pelecypoda In Atlas 



XXXV-XXXVII. Mollusca-Gastropoda In Atlas 



XXXVIII. Mollusca-Gastropoda and Cephalopoda In Atlas 



XXXIX-XLI. Mollusca-Cephalopoda In Atlas 



XLII-XLIII. Mollusca-Cephalopoda and Arthropoda-Trilobita In Atlas 



XLIV. Arthropoda-Trilobita and Ostracoda In Atlas 



UPPER DEVONIAN PALEONTOLOGY 



XLV. Coelenterata-Anthozoa In Atlas 



XLVI. Echinodermata-Asteroidea In Atlas 



XLVII-LVIII. Molluscoidea-Brachiopoda In Atlas 



LIX. Molluscoidea-Brachiopoda and Mollusca-Pelecypoda In Atlas 



LX-LXVI. Mollusca-Pelecypoda In Atlas 



LXVII-LXX. Mollusca-Gastropoda In Atlas 



LXXI. Mollusca-Gastropoda and Cephalopoda In Atlas 



KXXII. Mollusca-Cephalopoda and Arthropoda-Trilobita In Atlas 



LXXIII. Vertebrata-Pisces In Atlas 



