14 BULLKTIN 12 143 



rana ? c, PleurodiHyon problematicum c, Pte^'inea flabelluni f 

 r, Rhyncho7iella tethys r, Spirifer acunimatus a, Spirifer 

 davissi, Spirifer fomaculus r, Spirifer varicoszts c, Streptor- 

 hynchus sp. r, Stropheodonta concava r, Stropheodonta hemis- 

 pherica c, Stropheodonta sp., Tentaculites scalariformis r. 



Station loB' . — The Devonian limestone here is full of flint con- 

 cretions of all sizes, which contain- beautifully preserved fossils. 

 The following were obtained from weathered masses of flint on 

 Mr. George Ferris' land a short distance north of station loB: 



A£linopteria boydi r, Bucania devonica r, Clinopistha sub- 

 nasuta r, Crinoid stems r, Cyclonema cancellattim r, Glyptodesma 

 erectum. r, Glyptodesfna occidentale a, Orthis propiyiqua r, 

 Platyceras erectum r, Platyostoma li7ieatum r, Pleurotomaria std- 

 comarginata r, Rhyncho7iella tethys r, Spirifer acuminatus a, Spiri- 

 fer etiriieteines di, Spirifer varicosus r, Streptorhynchus arcostriata r, 

 Stropheodonta concava c, Stropheodonta demissa a, Sti^opheodonta 

 heinispherica c, Stropheodo7ita pejplana c. 



The fossils in the lower part of the bluff are chiefly corals. 



At the ford one and one-half miles east of Paris Crossing, 

 Upper Silurian rocks form the bed of the stream, while the Jef- 

 fersonville limestone constitutes the upper twenty or thirty feet 

 of the bluffs. 



Station pC. — The following species were obtained from the top 

 of the bluff near the spring: 



Atrypa reticularis c, Cho7ietes arcuatus a, Chonetes pusillns c, 

 Glyptodesma occide7itale , Orthis iowe7isis c, Onychodus sigmoides c, 

 Rhy7ichonella tethys c, Spirifer acuminatus a, Spij^ifer iowensis c, 

 Stropheodonta de77iissa c, Tentaculites bellulus c. 



Spirifer acuminatus is extremely abundant and the predominant 

 form at this station. Cho7ietes arcuatus is very abundant and 

 stands next to Spirifer acu7ni7iatus in the number of individuals. 



Station 8 A. — About one and one-half m-iles west of Paris Cross- 

 ing the Sellersburg limestone and a few feet of Black shale above 

 it are exposed in a small quarry on the south side of the road. 

 . The following fossils, representing a Hamilton fauna, were ob- 

 tained from the limestone: 



Atrypa reticularis r, Chonetes arcuatus a, Cladopora a, Crinoid 

 stems a, Cy7-tina ha7niltonensisf r, 07iychodus sigmoides r. Product- 



