47 



List of Fossils, <fcc.-Continued. 

 JURASSIC. 



Name. 



LAMELLIBRANCHIATA. 



Ostrea strigilecuja, White 



Gryphsea calceola var. NebraoenBis, M. & H 



Peeten Newberryi, n. sp 



Camptoneotes bellistriata, Meek .'.'.....'. 



extenuatns, M. & H . " ' . ."' 

 PBeudomonotis (EnmicrotiB) curta, Hall..."".' 



,.,,_. . orbiculata, n. sp. 



Avicula (Oxytoina) nmeronata, M. & H 



G^Tvillia recta, Meek in MS... ".""" 



Ctiammatodon inornatns,,M. & H... II! !!!".' 



Mytilus Whitei, n. sp II! "! 



Voj8ellaj(JKodiola) feymosa, m; & hIIIIII .11! 



pertenBiB, M. & H HI" 



Astarte f ragilis, M.' & H 



Trapezinm bellefonichensfB, n. sp HI! II 



Bubequajis, n. sp II 



PleTiroinya Newtoni, n. sp 



Tancredia (t) inornata, M. & H II 



.corbuliformis, n. sp 



bnlboBa, D. sp 



' poBtica, D. sp 



Warrenaua, M. & H 



DoBinia Jurassica, n.sp...... 



Fgammobia (t) prematura, n.sp 



Thiaeiasnblevis, M. & H 



N$a3raJ^ng(iroBtra, n. sp- , 



Sasicaia (flifassica, n. sp 



CEPHALOPODA. 



Ammonites cordiformis, M. & H 



var. dis tans. 

 Belsmnites densus, M, & HI... 



Locality. 



Belle Fourche, Sun-Dance Hills, 



and near Beaver Creek. 

 Big Horn Mountains. 



Belle Fourche. 



East of Belle Fourche. 



Two miles south of Belle Fourche, 



Red Water Valley. 



Two miles south of Belle Fourche. 



Suu-Dancti Hills. 



Sun-Dance Hills. 



Big Horn Mountains. 



(September 20.) 



Red Water Valley. 



East of Belle Fourche. 



Red Cafion Creek. 



Two miles south of Belle Fourche. 



East of Belle Fourche. 



Do. 



Do. 



Do. 

 Red Water Valley. 

 East of Belle Fourche, &c. 



Do. 

 Red Water Valley. 



Do. 



Do. 



Red Water Valley. 



Two miles south of Belle Fourche. 



East of Belle Fourche. 



CRETACEOUS. 



Systematic name. 



Division, 



Locality. 



LAMELLIBKANCHIATA. 



Cyncyclonema ri^da, M. & H 



Pteria lingniformis, Evans & Shum. .. 



(Oxytoma) Nebrascana, E. & S- 

 (Psendopteria) fibrosa, M. &H. 



sublaevis, UiSp.. 

 Inoceramos problematicns, Schlott. .. 



ft'agilis, H. & M 



altus, Meek 



perplexus, n. sp..... . 



snblsBvis, H. & M 



Sagenais, Owen 



No. 

 No. 



No, 

 No, 



No. 4 



Nob. 3 and 3. 

 Nos.2aDd3. 

 No. 2 



4. .. Forks of the Cheyenne River. 



4 Cheyenne River, near French 



Cr«ek, &c. 

 4....... Sag&Creek. 



4 Cheyenne River, near Rapid 



Creek. 

 Old Woman's Fork. 

 East Fork of Beaver Creek. 

 Beaver Creek. 



Belle Fourche, 10 miles west of 

 Crow Creek. 



Ifo. 2 Belle Fourche, 10 miles west of 



. Crow Creek. 



No. 4 ...j Forks of the Cheyenfle^jJ 



No! 4.11— . I 



