86 Cretaceous-. 



In 1870, Dr. Joseph Ls'uly described, from Middle Park, Colorado,* 

 Pcecilopleuron valens; from Pickens county, Alabama, CUdastes in- 

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

 river, Nothosauroi^s occiduus. 



Prof. E. D. Copef described, from the (^reen Sand of New Jersey, 

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

 jyJms turgidus, Bottosau7'us tuberculatics, Catapleura rejjcinda, Osteo- 

 pygfs chelydrina, now Catcqileura chelydrina, Hyposaurns frater- 

 ' cuius, now Gavialis fraterculus.^ IIolops cordatus, H. glyptodon, 

 LcBlaps macrop>us, Liodon congrops, L. perlatus, Lytoloma angusia, 

 L. jeanesi, Mosasaia'us depressus, 31. fulclatus, 31. maximus, 31. 

 oarthrus, Osteopygis platylomus, Peritresius, Platecorpus tympaniti- 

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

 niichus, T. molops, T. nodosus, and T. stretiuus. 



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

 of Sheridan, Kansas, Liodon mudgei, now Platecarpus madgei, CU- 

 dastes cineriarum, Saurocephalus progaathas, Ichthyodectes ctenodon; 

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

 "Wallace, Kansas, Liodon ictericus, now Platecarpus ictericus; from 

 twent}' miles east of Fort Wallace, SauroGephalusp)hlehotamiis;fvo\w 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,;]; from Green Sand near Barusboro, New Jersey, 

 Hadrosaurus minor, 3Iosasaurus crassidens; from Hornerstown, 

 Liodon laticaudus; from Birmingham, Laornis edvardsanus; and 

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

 vetus, Tehnatornis ajfinis, T. p7Hscus. 



T. A. Conradll described, from Crosswicks, New Jerse}', Inoceramus 

 pecuUaris.^ Crassatella prora, now Etea prora, Trigonurca 2><^ssa, 

 Goniosoma injlata, Axinea mortoni, Cy primer ia spissa, Dentalium 

 Jalcatum; and from Haddon field, Nucularia papyria, Scamhula per- 

 plana.^ now Anthonya perplana, Gouldia decemnaria, G. decUvis, 

 Nemoarca cretacea, Trigonarca cuneiformis, Perrisonota protexta, 

 C amptonectes helUsculptus, Liroscapha squamosa, Cancellaria subalta, 

 Eulima cretacea, Gadus obrutus, Donax fordi; from Mississippi, 



■■' Proc. Acad. Nat- Sci. 



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



X Proc. Acad. Nat. Sci. 



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



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



