548 Systematic Paleontology — ^Upper Devoniax 



the red bed between 1564 and 1599 from which they probably come. Their 

 exact horizon is not assured. 



Collection. — Maryland Geological Survey. 



LiNGULA SPATULATA Vanuxem 

 Plate XLVII, Fig. 8 



Lingula spatulata Vanuxem, 1842, Geol. of N. Y., Rept. Third Dist., p. 1G8, 



flg. 3. 

 Lingula spatulata Hall, 1867, Pal. of N. Y., vol. iv, p. 13, pi. i, fig. 1. 

 Lingula spatulata Grabau and Shimer, 1909, N. Amer. Index Fos. vol. 1, 



p. 197, fig. 231. 



Description. — •" Sliell small, subspatulate or subelliptical, moderately 

 convex, attenuate towards the beak, the ventral valve being more acute; 

 greatest width across the middle of the shell; length (which is scarcely 

 three-tenths of an inch) about twice as great as the width. Surface 

 marked by fine concentric striae, and, in the exfoliated shell, by faint 

 radiating strige." Hall, 1867. 



Length 3 mm. width .6 mm. 



This is a characteristic species of the Ithaca fauna of Xew York. It 

 is distinguished by its small size and spatulate shape. 



Occurrence. — Jennings FoiarATiON, Woodmont Member, Ithaca 

 Fauna. Hancock, 1149 to 1274; Berkeley Springs, West Virginia, 1058. 



Collection. — Maryland Geological Survey. 



Lingula sp. ? 



Descnption. — A small species of this genus having the elongate slender 

 form of L. spatulata Hall ' of the Genesee fauna of Xew York has been 

 found at a single locality, but the specimens are insufficient for exact 

 identification or for illustration. 



Occurrence. — Jennings Formation, Woodmont Member, Naples 

 Fauna. In the soft olive shales of the lower part of tlie section on 

 National Eoad, Polish Mountain. 



Collection. — Maryland Geological Survey. 



^ Paleontology of New York, vol. iv, p. 13, pi. i, fig. 1. 



