1895.] NATURAL SCIENCES OF PHILADELPHIA. 129 



(3. Fossiliferous iron ore 2 feet. 



7. Altered fossiliferous green sand found tit 



north end of bluff . . . . 10 " 



8. Fossiliferous iron ore 2 " 



Nos. 6, 7 and 8 contain Conns sauridens Con., Pleurotoma (Sur- 

 cula) gabbii Con. , PI. (Drillia) nodocarinata Gabb, PL (Borsonia.) 

 plenta Harris, Levifusus trabeatoides Harris n. sp., Anomia ephip- 

 pioides Gabb, Pseudoliva vetusta Con. var. , Latirus moorei Gabb, 

 Venericardia planicosta Lara., DistoHio septemdentata Gabb, Tur- 

 ritetta dumblei Harris n. sp., Byssoarca cuculloides Con., Solarium 

 acutum, var. meekanvm Gabb. 



9. Green sand, dark green near ferry, but 



altering to a brown near north end, and 



merging into No. 7, measuring at ferry . 5 feet. 



This bed contains Conns sauridens Con., Pleurotoma (Surcula) 

 gabbii Con. , Aneilla ( Olivula) staminea Con., Ostrea sclhrformis, var. 

 divaricafa Lea, Anomia ephippioides Gabb, Pseudoliva vetusta Con., 

 var. ,P. vetusta, var. carinata Con., Pteropsis conradi Dana, Corbvla 

 texana Gabb, Venericardia planicosta Lain., Cytherea texqcola Harris, 

 Fusus niortoni, var. mortonopsis Gabb, Pltos texana Gabb, var. 

 Distortio septemdentata Gabb, Turritella nasuta Gabb, and Tenuiscola 

 trdpaquara Harris n. sp. , 51 Turbinolia pharetra Lea, Endopachys 

 maelurei Lea and other corals. 



10. Thinly laminated blue clay, changing into 



brown near top, and weathering to a light 

 blue toward the bottom; the upper brown 

 portion contains fossils similar to those in 

 No. 9, and the lower blue contains occa- 

 sional crystals of selenite 15 feet. 



11. Dark, almost black, fossiliferous sandy clay . 10 " 



12. Thin seam of black clayey sand, jointed and 



stained brown along joints and on outside, 



apparently unfossiliferous 1 foot. 



13. Same as No. 11, extending into river and 



forming a ledge in bottom of river ... 14 feet. 



Nos. 11 and 13 contain Pleurotoma childreni Lea, var. bilota 



Harris, Yoldia claibornensis Aid., Pseudoliva vetusta Con., var., 



54 Harris Mss. 



