136 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Page. 



V. ionicux, n. s., Wliitc, 187ri. pi. xxi, figa. 6 « and b 215 



Viviparus (.'), VVliito, 1875, jtl. xxi, figs. 7 a and 6 215 



Articulata. 

 Crustacea. 

 Ostracoda. \ 



Oypridinidce. 



Gypris, Miiller, 1785 216 



Cyprls (?), White, 1875 216 



49. 



White, C. A. Invertebrate Paleontology of the Plateau Province, together with 

 notice of a few species from localities heyond its limits in Colorado. <^United 

 States Geological and Geographical Survey of the Territories: Report on the 

 Geology of the Uiutali Mountains. By J. W. Powell. 4to, pp. 74-135. Washing- 

 ton, 1876. 



Same. Washington, 1871). 4to, pp. 74-135. Fifty separates printed without titie- 

 jiage, covers, or repaging. 



This memoir embraces some general geologicnl discussions, catalogues of fossils, and de- 

 scriptions of 48 new species. 



In subsoijuont ■works the author has referred to the Laramie group some of the fossils herein 

 assigned, respectively, to the Cretaceous and Tertiary. Most of the species have since been 

 illustrated by the author in various works. 



General oliservationa, pp. 75-87. 



Catalogue of the fossils collected by the various parties in the field during the years 1868 to 

 1875, inclusive, pp. 88-107. 



Descrij-.tions of new species of Invertebrate fossils from strata of the Carboniferous, Jurassic, 

 Cretaceous, and Tertiary Periods, pp. 107-135. 



CABBONIFEROUS TERIOD. 



Kadiata. 



Actinozoa. ' Page. 



Amplexus, Sowerby 107 



A. zaphrentiformis, n. s., AVliite, 1876 107-108 



Echinodermata. 



Eupachycrinus, M. & W 108 



E.jilatyhasis,n.»..,\Y\xit(s,\?,16 108 



Archceocidaris, McCoy 109 



A. cratis, n. s.. White, 1876 109 



Molhuica. 



Qnsteropoda. 



N'aticopsis, McCoy 109 



N.remex, n.s.. White, 1876 109 



JUUASSIC PERIOD. 



Mollusca. 



Oonchifera. 



Unio, Retzius 110 



U.stewardi, n. s.. White, 1876 110 



Oasteropoda. 



Ntritina, Lamarck 110 



N.i/ poivelU, n. 8., White, 1876 110-111 



CRETACEOUS PERIOD. 



Mollusca. 

 Conehifera. 



Ogtrea, LinnaMis 112 



Subgenus Alectrynnia, Fischer 112 



O. (Alectryonia) sannionin, n. s., White, 1876 112 



O. imccwra, n. .s.. White, 187G 112-113 



Flicatula, Lamarck 113 



P. hydrutheca, n. 3., White, 1876 113 



Inoceramut, Sowerby 113 



I.ffilberti, n. s.. White, 1876 ' 113-114 



I.hotoelli, U.S., White, 1876 114-115 



Avicula, Klein 115 



4..parkensi>i, n.s.. White, 1376 ,,,,..., rr-- ittt J15 



