258 SYSTEiiATic Paleontology 



basals with infrabasals ; and the cnp is generally broken oiT at the top of the 

 basals. Since in no specimens are brachials preserved, the union of 

 brachials with radials must have been still weaker. Anal plates as high as 

 the radials, but only half as wide. Eadials and anal gently convex, sloping 

 in all directions from the center of the plate. Arms and ventral disc un- 

 known. The attachment scar is visible on a number of specimens, and in 

 some is a short distance up on the side of the cup, rather than on the 

 bottom." Talbot, 1905. 



Occurrence. — Heldeeberg Formatioin, New Scotland jMember. 

 Cumberland, Maryland ; Cherry Eun, West Virginia. 



CoJlections. — Maryland Geological Survey, U. S. National Museum. 



VERMES 



Class ANNELIDA 



Genus CORNULITES Schlotheim 

 CORXULITES cingulatus Hall 



Plate XL, Fig. 16 



Cornulites cingulatus Hall, 1S88, Pal. N. Y., vol. vli, p. 20 (supplement to 



vol. v), pi. cxvi, fig. 29. 

 Cornulites cingulatus Clarke, 1900, Mem. N. Y. State Mus., vol. iii. No. 3, p. 27, 



pi. ii, figs. 35-38. 

 Cornulites cingulatus Weller, 1903, N. J. Geol. Survey, Pal., vol. iii, p. 272, 



pi. xxxli, fig. 3. 



Description. — " Tube very ilexuous, with regularly transverse but un- 

 equally distant, sharply angled or evenly rounded annulations." Hall, 

 1888. 



" Shell having the form of a gradually tapering, more or less curved 

 or flexuous, annulated cone. On the internal casts the annulations have 

 the aspect of insheathed cones, the slope being abrupt below and gradual 

 above. The width of the annulations is variable, but is usually a little less 

 than 1 mm. ; tliey are somewhat irregular, there occasionally being one 

 which does not entirely surround the tube." Weller, 1903. 



A single specimen from the Keyser member appears to belong to this 



