153 Dkvonian of Southern Indiana 25 



Ahypa reticularis a, Chonctcs ya)idcllauiis a, LciorlivucJius quad- 

 ricostatnin Q, Proctus sp., Spirifer oweni o., Spirifer si'oi)ic)iius c, 

 Spirifer subattiHuatiis r, Stropheodonfa dcmissa r. 



No fossils were found in the Rockford limestone at New 

 Albany. 



Station 16 A. — In the massive sandstone of the Riverside form- 

 ation the following fauna was obtained at the east end of the 

 Edwardsville tunnel on the Air lyine railroad: 



Aviadopecten sp. r, Conularia niicronema r, Derbya keokuk a, 

 Macrodon f r, Produclus bzcrlingtonensis c, Spirifer keokuk a, Syr- 

 ingot hyt'is text a c. 



Bear Grass Creek Quarries, near Louisville. 



Just east of Louisville the Niagara limestone is extensively 

 quarried along the banks of Bear Grass creek. The tops of the 

 hills in the vicinity of the quarries are usually capped with from 

 ten to fifteen feet of the Jefferson ville limestone. The following 

 sedlion is exposed at the quarry south of the Institute for the 

 Blind: 



b. White to light gre}' limestone 10 ft. 



a. Light bluish gre}' arenaceous limestone 35 ft. 



The beds of "a" of this sedlion contain charadleristic Niagara 

 fo.ssils. 



In the upper ten feet Devonian fossils are abundant. Spirifer 

 gregariiis occurs in great profusion and wnth a few species of 

 corals furnishes the greater part of the fossils in some of the 

 strata. 



The fossils identified from these beds are as follows: 



Statio7i 15 A. — Bear Grass quarries. 



Atrypa reticularis a, AviculopcH^eii pri?iceps, Chonctcs mucro- 

 natiis r, Co7iocarditc?n trigonale r, Crinoid stems c, Orthis iozvensis 



c, Pcntamcrclla arata r, Phacops cristata var. pipa^ Platyceras car- 

 inatum r, Platyceras duinosu?n r, Platyceras echinatuni r, Pleurodic- 



