WinclielL] ^t)U [J.ni. 4, 



occipital ring, which extends, narrowing in width and curving backwards, 

 entirely across the border, fading out toward the short, acute genal angle. 

 Border concave, bounded by a prominent ridge, outside of which is a 

 linear groove limited i^eripherally by a sharply elevated, delicate, linear 

 margin. Surface of glabella, accessory lobe and neck-ring covered with 

 fine unequal granulations; a row of granules along the ridge of the border. 



Pygidium broadly rounded, nearly twice as broad as long, apparently 

 depressed ; axis with 8 or 9 rings, tapering to the posterior end, which is 

 somewhat abruptly rounded off one-tenth of an inch from the extl-emity 

 of the pygidium; lateral lobes with 8 or 9 segments becoming obscure 

 posteriorly. Border about one-sixteenth of an inch broad, marked on 

 the under side by nine rigid, , sharjaly imi>ressed parallel striss. Exterior 

 of the crest very finely and obscurely granulated. Length, about three- 

 eighths of an inch ; breadth, five-eighths. 



Other characters of this species are unknown. It seems to ajiproach 

 nearest to P. articulata, Hall sp. fXV. Rep. N. Y. Regents, p. 107.) From 

 the Waverly of Ohio ; but is destitute of the anterior and middle furrows 

 of the glabella. Neither does the description of that species give the sur- 

 face characters, though comparison is made with Proetits Missouriensin, 

 Shum., from the lithograpic limestone of Missouri, which is a granulated 

 species. It differs from Proetus {PMllipsia) ellipticus, M. & W. (111. 

 Geol. Rep. Ill, 460), from the Kiuderhook group, in the characters of the 

 cephalic border, in the absence of glabellar furrows, and in the border of 

 the pygidium. 



From calcareo-argillaceous beds, of yellowish brown color, and from 

 calcareo silicious shales, Hickman and Maury counties, Tennessee. 



Phillipsia. Doris, Hall sp. (XIII. Rep. N. Y. Regents, p. 112, and 

 Winchell, Phil. Proc, July, 1865, p. 133.) 



Several small pygidia occur in the collection from bed No. 5, Rockville, 

 Ohio. 



Pleurodictyum problematicum, Goldf. 



Well preserved specimens occur at Newark, Ohio. Collected by Rev. 

 II. Herzer. 



Mtjrchisokia sp ? 



A fragment nearly three inches long, consisting of four whorls — j)roba- 

 bly about one or two whorls wanting at the apex and an unknown por- 

 tion from the other end. The whorls are very oblique, the deeply im- 

 pressed suture making an angle of 40^ or 45= with the axis of the shell. 

 The apical angle of the spire was not more than 18° to 25°. It most 

 nearly resembles 1/. quadricincta. Win., but it has quite a different ex- 

 pression, besides being much larger and having more oblique whorls. 



From near Shafer's, Pennsylvania. 



From Newark is a Sigillaria, and a Myaliria too imperfect for identifi- 

 cation. Two or three species of FenesteUidce occur at Sciotoville, Rock- 

 ville, and in Licking county. Three species of crinoidal stems exist in 

 Prof. Andrews' collection, from Newark, Granville and Sciotoville. A 

 Sanguinolaria occurs at Sciotoville ; and at Granville and Sciotovilleis 

 an intere.sting compound coral with minute tubes, whose specific details 

 a:-e well exhibited, though its generic position is undetermined. 



