271 



rather coiiiinoii. The hirgc spociineiis noted l)y me as al)()ve, umlcr //. hcvis, 

 l)r()l)al)ly l)('h)iig here. 



Greensaiid, No. 4, of New Jerse}-. «■ 



aa. Species wUh the dorsal centra depressed ; Nectoportlieus, Cope : 

 LlODON VALIDUS, Cope. Plato XXXVII, fig. 4. 



Kxtiuct liatr.icliia ;iiul lloptilia of Ni>rtli Aincric:\, 1^70, p. 207. — Ncclojinrlhcnn ralidus, C'opp, 

 Procoediugs of tlio Acaileiiiy of Natural .Sciences, riiilailclpliia, 18(!.-(, l-'l. — Mov<(miini3, 

 Leidy, pro parte, Cretaceous Eeptiks of the Uniteil States, 18G5, p. 71-75, I'late VII, 

 iy-20, III, 1-2. 



Greensantl. No. 5, New Jersey. 



LlODO.V MICROMU.S, Maish. 



Jthinonaiinin micromiis, Mar.sli, Aiiirrican .Journal of Science anil Arts, 1S72, .Inne, Talili' XIII, 

 ligs. 1-2. 



Niobrara ehalk of the Smoky Hill. 

 LlODON NEryEOLicus, Copc. Plate XXXV, figs. 11-13. 



Ilayden's IJulletin of the United Staes GooUiKical Survey of tlie Territories, l.'*7-l, p. H7. 



Niobrara epocli of Kansas. 



LlODON PKOKIOER, Cope. Plates XXVIII, figs. 8, 9 ; XXX, fig.s. 10-14 ; XXXVI, 



lig. 2; XXXVII, lig. G. 



Trausactious of the American Philosophical Society, Extinct liatracliia, etc., 1870, p. 202. — 

 Macroiaiirus proriger, 1. c, on Table XII, figs. 22-21. — Ilhinosaitriis proritii'i', Marsh, Amer- 

 ican Journal of Science and Arts, 1872, Jnne. — Sltamphonaiiri(s, Cope, Proceedings of 

 the Academy of Natural .Sciences, 1872, p. 141. 



Niobrara cluilk of the region of the Sinol^y Hill River, Kansas. 



LlODON DYSPELOB, Cope. Platt'S XXVIII, figs. 1-7; XXIX-XXXIII. 



Proceedings of the American Philosophical Society, 1870, .')74 ; J. c, 1871, Deccmher. — lihino- 

 saiinis dyspclor, Marsh, American .Journal of Science and Arts, 1872, .June. — Ti/losaiini/i 

 dijspclor, Leidy, Report of the Geological Survey of tlic Territories, I, p. 271, Talde 

 XXXV, ligs. l-U. 



Nioljrara chalk of Fort MeRae, New Mexico, and of Smoky Hill, Kansas. 



LlODON SECTORIUS, Cope. 



Proceedings of the American Philosopliieal Society, 1871, p. 11. 



Greensand, No. 5, of New Jersey. 

 aaa. Species of U7icertain reference : 



LlDDON PERLATUS, Copc. 



Proccodings of the American Philosophical Society, 1870, p. ■4',t7. — Mosasauriis hritmbi/i, 

 " Gibhe.s," pro parte, Cope, Extinct P.atraehia and Keplilia of North America, !>-^7il, 

 p. 108. 



White limestone of Alabaiiia. 



