152 PROCEEDINGS OF THE ACADEMY OF [March, 



NOTE ON A COLLECTION OF FOSSILS FROM WILMINGTON, NORTH CAROLINA- 

 BY A. P. BROWN AND H. A. PILSBRY. 



During a recent visit to Wilmington, N. C, Mr. Joseph 

 Willcox collected a number of fossils from a quarry about one and 

 a half miles east of the city. 



The material is not well preserved, being mainly in form of internal 

 casts, yet as the horizon has received but little attention, we have, 

 at the request of Mr. Willcox, prepared the following list of species 

 identified. 1 



Lunulites distans Lonsdale. 



Flabellum cuneiforme Lonsdale. Cast. 



Scutella lyelliana Emmons. 



Echinolampas appendiculatus (determined by Prof. W. B. Clark). 



Terebratida ivilmingtonensis Lyell and Sowerby. 



Pecten membranosus Morton. 



Spondylus resembling gregalis Morton. Cast. 



CrassatellUes willcoxi n. sp. 



Cytherea profunda Conrad. Cast. 



Cyprcea resembling nuculoides Aldrich. Casts. 



"Voluta" sp. Cast. 



Vasum wilmingtonense n. sp. Cast. 



Aturia alabamiensis Conrad. Cast. 



Pleurotomaria nixa (Tuomey). 2 



Crassatellites willcoxi n. sp. PI. I, fig. 1. 



The shell is large, oblong, the anterior end evenly rounded, pos- 

 terior end subtruncate, beaks moderately elevated, at the anterior 

 two-fifths of the length; somewhat compressed, the diameter a 

 little less than half the length. Sculpture of rounded, subequal 

 concentric ridges separated by narrower sulci. The valves are 

 3 to 5 mm. thick, where edges are exposed by fracture. There is 

 no trace of a posterior ridge. The internal cast is smooth with very 



1 The fauna of the Wilmington beds was first, we believe, described by Professor 

 Tuomey in an article entitled, "Description of some Fossil Shells from the Tertiary 

 of the Southern States," Proc. A. N. S. Phila., VI, pp. 192-194, 1852. Professor 

 W. B. Clark has also treated briefly of it in Bull. Geol. Sue. of America, I, pp 

 538-9, 1890. 



2 This specimen, in the museum of the Wagner Free Institute of Science, 

 measures 7g inches in basal diameter. 



