122 PROCEEDINGS OF THE ACADEMY OF [1895. 



Cedar Creek, uear Wheelock lies nine miles west of this point 

 audit was from that place the fossils described by Gabb were ob- 

 tained. In the list of species described by that writer we find 

 Belosepia ungula Gabb, Murex (Odontopolys) compsorhytis Gabb, 

 Fusus mortonopsis Gabb, Neptunea enter ogr am ma Gabb, Pleuro- 

 toma, Turns kellogii Gabb, T. texana Gabb, T. retifera Gabb, T. 

 nodocarinata Gabb, Eucheilodoii. reticulata Gabb, Seobinella crassi- 

 plicata Gabb, S. leviplicata Gabb, Distortio s&ptemdentata Gabb, 

 Phos texana Gabb, Pseudoliva fusijormis Con. mss. , P. linosa Con., 

 rass. , P. carinata Con. mss.', P. perspeotiva Con. Mss., Gastridium 

 vetustum Con. , Agaronia punctulifera Gabb, Fasciolaria moorei Gabb, 

 Cijinbiola texana Gabb, Mitra mooreana Gabb, M. exilis Gabb, Erato 

 semenoides Gabb, Never ita arata Gabb, Monoptygma crassiplica Con. 

 Mss. , Architectonica meekana Gabb, Spirorbis leptostoma Swain, Tur- 

 ritella nasuta Gabb, Den.talium minutistriatum Gabb, Ditrupa sub- 

 coarcuata Gabb, Bulla kellogii Gabb, Volvula conradiana Gabb, 

 Corbula texana Gabb, Oibota mississippiensis Con., Anomia ephippi- 

 oides Gabb. 47 



The whole, or nearly the whole of these species have been obtained 

 by the Texas Survey during the course of the work in that region, 

 and several others have been added to the above list. 



The section shown on Cedar Creek and in the immediate vicinity 

 is as follows: 



1. Brown prairie sandy soil with occasional blocks or 



fragments of ferruginous sandstone containing 

 great quantities of Plicatula filamentosa Gabb, 

 and Spirorbis leptostoma Swain 5-15 feet. 



2. Brown altered green sand and clay 4 " 



3. Thin seam of ferruginous sandstone 1 foot. 



Nos. 2 and 3 contain quite an extensive fauna comprising 



Acttcou, punctatus Lea, Bulimclla kellogii Gabb, Terebra houstonia 

 n. sp. , Harris, Conus sauridens Conrad, Pleurotoma (Surcula) 

 gabbii Con., PI — , PI. (Coehlespira) engonata Gabb, PI. bella Con., 

 PL (Surcula) moorei var., Gabb, PI. (Drillia) nodocarinata Gabb, 

 PL terebriformis Mr., n. sp. , PL (Drillia) texacona Harris, PL (Bor- 

 sonia) plenta Harris, Cancellaria tortiplica Con., Ancilla (Olivula) 

 staminea Con., Pseudoliva vetusta, var. picta, P. vetusta Con., var. 



17 Journal Axademy «>f Nat. Sci. of Phila., Second Series, Vol. 4, pp. 37G-3,sii 

 and plates 07 and li'.t. 



