This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1856 Excerpt: ...following species may be designated: C. holaris, (Mitra, ) Con. . pyruloides, (Turbinella, ) Con. . prxtenuis, Con., ., C Voluta prista, Con. u. doliala, T .. T V. Coopera, Lea. This genus, so far as I know, occurs only in the Eocene strata. Cardium. Cardium Nicolleti. Plate 1, fig. 14. Vide Proceed. Acad N. S. vol. 1, p. 33. Anomia. Anomiajugosa. Plate 1, fig. 15. Vide Proceed. A. N. S. vol. 1, p. 310. POLYPAR1A (SILURIAN.) Cyathofhyllum, Lam. C. CalOPhYllDm t puslulatum. Platel, fig. 24. Turbinate, somewhat curved towards the base, and with numerous elevated pustules, most of which have a central perforation. Locality. State of Ohio, in Silurian limestone, Dr. Riley. The rays are visible on only a small portion of the specimen, the rest being imbedded in compact gray limestone. EOCENE SPECIES. Tl'ubinolia. Turbinolia elaborala. Plate 1, fig. 30. Subcuneiform; base acute, incurved, lamellae thin, numerous, branched, smooth, becoming very irregular or sinuous where they approach the centre; sides profoundly sulcated or ribbed, the ribs densely and distinctly porous, many of them divaricated, the intervals with remote transverse lamellae. Locality. Near City Point, Virginia. T. pileolus. Plate 1, fig. 26. Vide Proceed. A. N. S, vol. 1, p. 337. Madrepoha. Madrepora vermiculosa. Ramose, branches cylindrical; cells remote, unequal, a little prominent, interstices with thick, equal, vermicular striae, minutely granulated. Locality. Occurs with the preceding. This is a rare species; the undating striae are large and ornamental. DEVONIAN SHELLS. Monotis, Bronn. This genus occurs in the Devonian shales. I have not observed a species in any other formation. Monotis radians. Syn. Pterninea radians. Journ. Acad, Nat. Sei. vol...