130 PROCEEDINGS OF THE ACADEMY OF [1895. 



Tellina mooreana Gabb, Venericardia planicosta Lara., Cytherea bas- 

 tropensis Harris, Turritella nasuta Gabb. 



The section next seen is at Niblett shoals, about a mile and a half 

 north of Mosley's Ferry. This section shows a decided change in 

 which Ave find from 12 to 14 feet of lignitic shales, sands and lignites 

 lying beneath in 20 feet of river loam. 



The next section is at Collard's Ferry, four miles north of Mosley's. 



This section has been described by Dr. Penrose as the Burleson 

 shell bluff', 55 there being no ferry at this place when visited by Pen- 

 rose. The section here given is essentially the same as given by him, 

 the only difference being the division of the upper twenty feet of 

 fossiliferous green sand. The section shows: 



1. Brown sand 10 feet, 



2. Indurated brown altered green sand ... 8 inches. 



3. Brownish-green altered green sand .... 4 to 6 feet. 



4. Grayish-green sand 10 to 15 feet. 



Nos. 3 and 4 of the section contain Pleurotoma (Surcula) gabbii 

 Con., PL children! Lea, var. bilota Harris, Cancellaria minuta 

 Harris, Olivella bom by/is, var. bwiesonia Harris n. var., Ostrea sel- 

 Iceformis, var. divaricata Lea, Plicatula filameniosa Conrad, Pecten 

 deshayesii Lea, Pinna sp., Byssoarca cuculloides Conrad, Leda opu- 

 lenta Con., Psendoliva vetusta Con., variety Voluti tithes petrosa, var. 

 indenta Con. , Lapparia pact it it, var. mooreana Gabb, Latirus moorei 

 Gabb, Corbula aldrichi, var. smithvillensis Harris, Dentaliiim minu- 

 tistriatum Gabb, D. minutistriatum, var. dum btei Harris n. var., Ven- 

 ericardia rotunda Lea, V. alticostata, var. perantiqua Con. , V. plani- 

 eosta Lam., Cytherea sp., C. texacola Harris, C. bastropensis Harris, 

 Clavilithes (Papillina) dumosa, var. trapaquara Harris, Fusus mortoni, 

 var. mortonopsis Gabb, Clavilithes penrosei Heilprin, C. humerosa, 

 var. texana Harris, Pleurotoma (Clathurella) fannce Harris n. sp.,#o- 

 larium serobieulatum Con., & alveatum Con., Natica semilunata, var. 

 janthinops Harris n. var., N. newtonensis Aid., Sigaretus declivis 

 Con., Pyrula (Fusofieula) penita Con. \&v.,Rimella texana Harris n. 

 sp. , R. texana, var. plana Harris n. var., Calyptrophorus velatus 

 Conrad, Turritella, sp., Belosepia ungukt Gabb, Trochita, sp. and 

 corals Turbinolia pharetra Lea. 



55 First Annual Report Geol. Survey of Texas. 1889, p. 27. 



