9t) Cincinnati Society of Natural History. 



In 1870, Dr. Joseph Leid}' described, from Middle Park, Colorado,* 

 Pcecilopleuron valens; from Pickens couiily, Alabama, Clidastes in- 

 termedius; from Kansas, Xiphactinus audax, and from the Moreau 

 river, JSfothosaurops occiduus. 



Prof. E. D. Copef described, from the Green Sand of New Jersey, 

 Adocus agilis, A.pectoralis, A. syntheticus^ Emys turgidus^ now Agom- 

 phus turgidus., Bottosau7ms tuberculatus, Catai^leura rej^anda, Osteo- 

 pygis chelydri7ia, now Catapleura chelydrina, Hyposaurus frater- 

 culus, now Gavialis frate7xulus, Holops cordatus, H. glyptodon, 

 Loelaps macropus^ Liodon congrops, L. p)erlatus, Lytoloma angiista, 

 L. jeaiiesi, 3Iosasauriis depressus, 31. fulciatus, M. maximus^ 31. 

 oarthrus, Osteopygis p)latylomus, Peritresius, Platecarpus tympaniti- 

 cus, Pneumatarthrus peloreus, Taphrosphys lesleyanus, T. longi- 

 7iuchus, T. molops, T. nodosus, and T. strenuus. 



He described, from the Niobrara Group, at a point six miles south 

 of Sheridan, Kansas, Liodon mudgei, now Platecarjyus mudgei, Cli- 

 dastes cineriarum^ Saiirocephalus prognathus^ Ichthyodectes ctenodon; 

 from the north bank of Smoky Hill river, thirty miles east of Fort 

 Wallace, Kansas, Liodon icte^Hcus^ now Platecarpus ictericus; from 

 twent}^ miles east of Fort Wallace, Saurocejyhab/s 2)hlebotamus ; from, near 

 Fort McRae, in New Mexico, Liodon dyspelor, from the bank of Solo- 

 mon's river, in Kansas, 160 miles from its junction with the Kansas 

 river, Saurocephalus thaumas., now Portheus thaumas. 



Prof. O. C. Marsh,J; from Green Sand near Barnsboro, New Jersey, 

 Hadrosaurus mi7ior^ 3fosasau7nis crassidens; from Hornerstown, 

 Liodo7i laticaudus; from Birmingham, Lao7mis edvardsanus; and 

 also from the Green Sand of New Jersey, § Palwotri7iga littoralis, P. 

 vetus, Tel7nato7mis affi,7iis^ T. p)riscus. 



T. A. Conrad|| described, from Crosswicks, New Jerse}^ l7iocera7nus 

 pecuUaiHs^ Crassatella prora^ now Etea prora^ T7Hgo7iarca passa, 

 Goniosoma iTiJlata^ Axinea 7no7'to7ii^ Cyp7Hme7na. spissa, Dentalium 

 falcatum; and from Haddonfield, JSFucularia papyria^ Sca7nhula per- 

 pla7ia^ now A7ithonya peiylana, Goiddia decemnaria^ G. declivis^ 

 Ne7noarca cretacea, Trigonarca cu7ieifo7inis^ Perrisonota protexta, 

 C amp tonecteshellis Gulp tus^ Liroscapha squamosa^ Ca7icellaria subalta, 

 Eulima cretacea, Gadus ^obi^utus, Donax fordi; from Mississippi, 



■■'■ Proe. Acad. Nat- Sci. . 



t Trans. Am. Phil. Soc. Ext. Batr. Keptilia N. Am. 



J Proc. Acad. Nat. Sci. 



I Am. Jour. Sci. and Arts, 2d sev., vol. 49 . 



II Am. Jour. Conch., vol.5. 



