160 bulli:tin no. :in, umti:!) states national MUSEmt. 



Sauie. Wasliiiigtoii, (Jovtinmtnt I'riiilinj; Oflifi^, 1880. Hyo, ]tp. ID-IO'.^, and plS. 



xx-xxx. Throe huiidred sei)arate.s printed. Seo. remarks follo\viii<j; entry No. 104. 



The ol)ject of this article in to ^ivn a list of all tho mollu.sca that wert? kuowii from the 



Laramie Grou|) up to the time of piihlication, and to illustrate those whicli had not before 



been illuHtrated. , 



Page. 



Conch if era. 



Oslrea. Liniiaius 56 



O. glabra, M. &. II., 1«57 56 



Anornia, Liuiiau.s 57 



A. (jryphorhynchvg, Meek, 1872, jjI. xxv, (igs. 1 p -c 57 



A. micrnneina, Meek, 1875, pi. xxv, tigs. 2a-d 57-58 



Tolgella, .Sco])oli 58 



SubgcnuH Brachpdonteg. Swainson 58 



V. {Brachydonteg) rerjxdarig. White, 1878, pi. xxv, fig. 3 o : 58-59 



V. (Brachydonteg) laticogtata, White, 1878, pi. xxv, fig. 4 a 59 



Axinara, I'oli 59 



A. holmegiana, n. .s.. White, 1880, pi. xx, figs. 2 a, & .09-60 



Nuciilana, Link 60 



JV. iraciara,White, 1878, pi. xxv, fig. 7 a 60,61 



Anodonta, Cuvier 61 



A. prupatorig. White, 1»77. pi. xxiv, ligs. 2 a^d 61-62 



A.parallela, White, 1878, pi. xxiv, fig. 3 o 62 



JJnio, RetziuB 62 



V. aldrichi. White, 1878, pi. xxix, figs. 2 a, b 62-63 



U. goniamhonatng. White, 1878, pi. xxix, fig.s. la, b 63-64 



11. brachyopisthug, White, 1876, pi. xxii, figs. 2 a, 6 64 



77. couegi, White. 1877, pi. xxvii, flg. 1 a 64, 65 



77. proplteticus, Wliite, 1876, pi. xxii, fijr. 5 a 65 



U. proavihis, White, 1877, pi. xxii, figs. 3 o-tZ 65-66 



U. endUchi, White, 1877, pi. xxvi, figs. 1 a, b 66-67 



77. hobneg-ianug, Wliile, 1877, pi. xxii, figs. 4 a-e 67-68 



77. dano!, M. & H. '? pi. xxvii, figs. 2 a, 6 68 



77. cryptorhynchtts, White, 1877, pi. xxiv, figs, la, b 68-69 



77. genectits, White, 1877, pi. xxviii, flga. 1 a-c 69 



U. prvmcti-ng. White, 1877, pi. xxix, figs. 3 a, b 70 



U. prigcug, M. &H 70 



77. gubgpatulalug, M. &H 71 



77. deweynnus, M.&H 71 



77. vetugtitu, Meek 71 



77. belliplicatug, Meek 71 



77. gnnionotus. White, 1876, pi. xxvi, figs. 2 o-« 71-72 



Sphtxrium, Scopoli 72 



S. planum. M. &H 72 



.9. recticardinale, M. &H 72 



S./ormogum, M. &. H 72 



S. gubellipticum, M. &. H 72 



Corbicula, Megerle 72 



a. obega. White, 1878, pi. x.xiii, figs. 3 a-e 72-73 



C. cardinicffarmig. White, 1878, pi. xxv, figs. 5 a, b 73 



C. cleburni, Wliite, 1 878, i)l. xxiii, figs. 1 a-c 73-74 



O. cytheri/ormig, M. &. 11. , pi. xxi, fig.s. 4 o-d 74 



C. nebragcenids, M. & II 74 



C.n{cidentaUg,'}A. &. H., 1856, pi. xxi, figs. 3 a-c 75 



Subgenus LepUgtkeg. Meek 75 



C. (LepUgtlieg) fracta. Meek, 1871, pi. xxiii, figs. 2 a-e and pi. xxi, fig. 5 o 75-77 



C. (Leplegthcg) planumhona. Meek, 187.1, pi. xxi, figs. 2 o-d J7-78 



C. (LeplKntheg) macnipigtha. White, 1878, pi. xxiii, figs. 4 a-/ 78-79 



O. (Lejnegtheg) snbelllptica, M. &. H 79 



Subgenus Vehiritina, Meek 79 



G. ( Teloritina) diirkeei, Meek 79-80 



Corhula. IJniguiere ^^ 



C. tubtrigorwlig, M. & IT . ..t •'"' 



O. perundaUi, M. & 11 ^"^ 



C. craggatelliform i>, Meek ^^ 



C. tropitUjphora, Meek 80 



