TYPE RPKOIMKNS OF TNVKRTKHRATK FOSSILS. 229 



43306. Diplotrypa patella Ulrich. H()lot>-pc- and fij^ured sections. 



Ricliniond ( Ord. ). Oxford, Oliicx 



ririch, Cool. Surv. 111., \'III, i.S9i>. ]). .JS'"^. pl- fvi. '>K-^- 2-2(1. 

 = Mesotryi)a ])atclla. 



43S10. Diplotrypa westoni ririch. Figured .sections and fra.u^nient 



of hololj-pe. 

 Trenton (Ord.). Big Island, Lake Winnipeg, ]Manitol)a. 



Ulrich, Geol. Surv. Canada, Coiitr. Mic-ro-Pal., Caml>ro-vSil., Pt. II, 

 1889, J). ,V', ])1. S, fit^.s. .|;i, lb. 



14276. Discina connata W'alcolt. Cotypes. 



Lower Carl)onifer()Us. Ivnreka District, Nevada. 



Walcott, iMon. VIII, I". S. (k'oI. Surv., 1SS4, ]). 21.}, i)l. 7, Hk-s. 



3- 3:1- 

 = Lingulodiscina (?) connata. 



13780. Discina lodensis (^HallJ. Plesiotype. 



White Pine Shale (Lower Carb. ). Ap]:)le.gate Canyon, 

 White Pine District, Nevada. 



Walcott, Moil. \III, r. S. (U'ol. Surv., 1S.S4, j). 112, ])1. 2, fig.s. 

 5. 5"- 



= Orbiculoidea lodensis. 



111667. Discina lugubris (Conrad). Plesiotype. 



Miocene. vShiloh, New Jersey. 



Whitfield, I\Iou. XXIV, IT. S. Geol. Surv., 1.S9.}, ]). 23, pl. i, 

 fig.s. i-.v 



= Discinisca lu.gnbris. 



1009. Discina manhattanensis Meek and Hayden. Cotypes. 



Upper Carl)oniferous. Opposite Manhattan, Kansas. 

 Meek and Hayden, Proc. Acad. Nat. vSci. Phila., 1859, p. 25. 

 = Orbicul()idea nii.ssoiu'iensis. 



13858. Discina minuta ( Hall). Plesiotype. 



Upper Devonian. The Gate, near Ktireka, Nevada. 



Walcott, Mon. VIII, U. S. Geol. vSurv., 1S84, ]>. 112, pl. 13, fig. 5. 



— Orbicnloidea niintita. 



14279. Discina newberryi Hall. Plesiotype. 



I.,ower Carboniferous, luireka District, Nevada. 



Walcott, IMon. VIII, I'. S. Geol. Surv., 1884, ]>. 213, ])1. 18, fig.s. 

 3 (2, 2a?). 



= Or1)icidoidea newberryi. 



14277. Discina nitida ( Phillips). Plesioty])e. 



Lower Carboniferous, luneka District, Newada. 



Walcott, Mon. VIII, V. S. Gk.I. Surv., 1884, p. 213, pl. 7, figs. 

 4, 4a. 



=:Orbiculoidea nitida. 



