1 6 BuivLKTIN 12 144 



Allorisma sp, r, Aviculopeden sp. c, Caviarotoechia sappho a, 

 Cypricardinia s^., Cryptonella eudoraf 'r. Derbya keoktik a, Dis- 

 cina sp. c, Grammysia sp. r, Leiropeden sp. c, Mytilarca f r, 

 Platyceras sp. c, Pleiirotoniaria sp. a, Proehis auricidatus r, Retic- 

 ularia pseudoliyieata a, Spiriferf s^., Spirifer keokuk 2., Spirifer- 

 ina sp. , Spiriferhia depressa c, Streblopteria gradlis o., Streblopteria 

 media c. 



The western limit of the Riverside sandstone along this sedlion 

 is found about one and one-half miles east of Ft. Bitner, Law- 

 rence county, 



PiXLEY Knob and IvExington Section. 



This se<5lion crosses the Devonian and "Knob" region in a 

 northeasterly and southwesterly dire(5lion, extending from Kent 

 P. O. through Lexington and the Guinea "knobs" and ending 

 at Pixley's "knob," about five miles west of Henryville. The 

 stations are from eight to twenty miles south of those of the 

 Muscatatuck section. 



Station 11 A. — On the west side of the creek near Kent P. O. 

 the Jeffersonville limestone is well exposed in the banks of the 

 stream. Just north of the old .saw-mill the coral beds are well ex- 

 posed and contain few other fossils than corals. 



Aulopoj^a serpens f, Cladoporaf, Diphyphyllmn sp. a, Zaph- 

 rentis sp. c, Zaphrentis coinpressa r. 



Station iiB. — On the south side of the road opposite the saw- 

 mill, at a slightly higher level than the coral beds of the last 

 station, the following fossils were obtained: 



Atrypa reticularis a, Chonetes sp. r, Spirifer e2irideines r, Spiri- 

 fer iowensis c, Terebratula lincklcBni H. r. 



Station iiC. — The slope of the hill northwest of the saw-mill 

 is strewn with numerous masses of flint weathered from the lime- 

 stone, which contains beautifully preserved fossils. The follow- 

 ing were obtained from these flint nodules: 



Bellerophon sp., Bucania devonica r, Callonema bellat7dnm x , 

 Crania doria r, Cyrtina hamiltonensis c, Glyptodesma ocddentale 

 c, Loxonema hydraulicum; Orthis striatula 2i,0rthis vamixemi 2i, 

 Palczoneilo sp., Platyceras bncnlentnm r, Platyceras eredtim c, 



