1912.] NATURAL SCIENCES OF PHILADELPHIA. 377 



in the preceding paper, is here introduced. The locality numbers 

 correspond to those on the accompanying map. 



B. Bucks County. 



1. Wycombe: Quarries | mile south and 1 mile southwest of 



station. Upper part of the Gwynedd-Lockatong formation. 

 Estheria ovata Lea. 

 Other Crustacea and fish scales. 



2. Holicong: Mr. John S. Ash's farm, | mile northwest of the cross- 



roads. For references see above. At least 3000 feet below 

 the top of the Norristown-Stockton formation. 



Schizoneura sp. 



Cycadites sp. (cf. tenuinervis Fontaine). 



3. Carversville : Road metal quarry f mile to the east. A. P. 



Brown: New Cycads and Conifers from the Trias of Penn- 

 sylvania. Proc. Acad. Nat. Sci. Phila., 1911, pp. 17-21, pi. 

 I-V. Transition beds between the Norristown-Stockton and 

 the Gwynedd-Lockatong formations. 



Podozamites formosus Brown. 



Zamites velderi Brown. 



Palissya diffusa (Emmons) Fontaine. 

 " obtusa Brown. 



Cheirolepis munsteri Schenk. 

 " latus Brown. 



M. Montgomery County. 



1. Gwynedd Tunnel, P. & R. Ry., north of Gwynedd Valley station. 



Cope: Synopsis of the Extinct Batrachia, Reptilia, and Aves 

 of North America. Trans. Amer. Phil. Soc, XIV, pp. 170-175, 

 1871. Also other references by Leidy and Lea in Proc. Acad. 

 Nat. Sci. Phila., 1859, etc. Middle of the Gwynedd-Lockatong 

 formation, of which it is the type locality. 



Numerous bones of a pterosaur, Rhabdopelix lorigispinis Cope. 



Various fish scales and reptile teeth. 



2. Areola: Perkiomen R. R. cuts | mile and f mile southeast of 



station. Bottom of Gwynedd-Lockatong. 

 Estheria ovata Lea. 

 Fish scales. 



3. Yerkes: Perkiomen R. R. cut near station. Leidy: Fish 



Remains of the Mesozoic Red Shales. Proc. Acad. NatSSci. 

 Phila., 1876, p. 81. Base of Brunswick. 

 A few fish scales, Radiolepis elegans Emmons?. 



4. Graters Ford: Fishers quarry, 1 mile northwest of station. 



Lower part of Brunswick. Fossil footprints, of several species. 



C. Chester County. 



1. Pheenixville : P. & R. Ry. tunnel § mile north of station. Has 

 been the subject of numerous papers, the most elaborate of 

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