Jlesozoic mid Cnmozoic Geology and Paktiontology. 159 



Wra. Wagner* described, from the Miocene and older Pliocene, of 

 Maryland and North Carolina, Venus inoceriforviis, Pecten mary- 

 landicus, Panopoia goldfussi, Mysia nucleiformis, and Trochus 

 eh or ens. 



In 1840, Mr. Conradf described, from the Miocene at Chapel Hill, 

 North Cjirolina, Fulgur excavafyus, F. contrarius, Conus adversarius, 

 and Voluta carolinensis, now 3Iitra carolinensis. 



The Tertiary extends from the lower limit of the Cretaceous, in 

 Connecticut,;]; to the lower part of Kent count}', and has a thickness of 

 125 feet. 

 ' It is found§ at Ga}' Head, Martha's Vinej'ard, and occupying Long 

 Island and the eastern part of the Atlantic States from New Jersey to 

 Flurida, and the southern part of the Mississippi valle}'. 



Henry C. Lea|| described, from the Eocene at Claiborne, Alabama, 

 Pasithea cancellata, P. elegans, P. minima, Actoion loivis, A. magno- 

 lilicatus, Scalaria elegans, S. I'emi.sta, Turbo parvus, Trochus planu- 

 latus', Turritella monilifera, T. gracilis, Turhinella fusoides, Pleuro- 

 toma cancellatum, Triton pyramidatu7n, Terebra constricta, T. multi- 

 plicata, Cancellaria pulcherrima, Buccinum parvum, Mitra eburnea, 

 M. elegans, 31. gracilis, Conus parvus, and Voluta dubia. 



T. A. Conrad^[ described, from the Middle Tertiary at the Natural 

 Well, Duplin county. North Carolina, Amphidesma constrictum, now 

 Fabella constricta, Buccinum interruptum, B. multirugatum, now 

 Ptychosalpinx multirugata, Cardita perplana, Cassis hodgei^ now 

 Galeodia hodgei, Cerithium carolinense, now Terebra carolinensis, 

 C. unilineatum, now T. unilineata, Cyproea carolinensis, Dispotcea 

 dumosa, D. multilineata, Gnathodon minor, now Rangia minor, In- 

 fundibulum centrale, Lucina radians, L. trisulcata, Lunulites denti- 

 culatus, now DiscoporeUa denticulata, Mactra crassidens, M. sxihpa- 

 rilis, JSTatica caroliniana, N. percallosa, Pectunculus carolinensis^ and 

 P. quinquer}igatus ; from Wilmington, North Carolina, Amp)liidesma 

 nuculoides, A. protextum, Cardium sablineatum, Cardita abbreviata, 

 Pectunculus carolinensis, and P. aratus. 



Prof. Emmons** found the direction of the drift scratches and scor- 

 ings of rocl\, in the eastern part of New York, conforming to that of 



* Jour. Acad. ¥at. Sci., vol. viii., pt. 1. 



t Am. Jour. Sci. and Arts, vol. xxxix. 



X Geo. Sur. of Delaware, 1841. 



? Geo. of Massachusetts, 1841. 



II Am. Jour. Sci. and Arts, a'oI. xl. 



IT Am. Jour. Sci. and Arts, vol. xli. 



-•■* Geo. 2d Dist. N. Y., 1842. 



