1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 309 



CRETACEOUS SPECIES— Continued. 



Heteroceras ? nebrascense (M. & H.) Whitf. 



Cret. No. 4. Rep. Gool. Black Hills of Dakota, p. 451, pi. xv, fig. 6. Mus. No. 12298. 



Heteroceras ne'wtoni Whitf. 



Rep. Geo], Black Hills of Dakota, p. 449, pi. xv, figs. 1-4. Mus. No. 12288. 



Heteroceras tortum (M. & H.) Meek. 



Ciet. No. 4. Rep. U. S. Geol. «&. Geogr. Surv. Terr., 4to, vol. ix, p. 481, pi. xxii, figs. 

 4a-c. Mus. No. 471. 

 Heteroceras? umbllicatum (M. «& H.) Meek. 



Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 482, pi. xxii, fig. 

 5. Mus. No. 472. 



Idonearca depressa White. 



Rep. Geogr. & Geol. Expl. & Surv. west of 100th Meridian, vol, iv, parti, p. 183, 

 pi. xviii, figs. 13a, b. Mus. No. 8645. 

 Idonearca shumardi(M. & H.) Whitf. 



Cret. No. 5. Rep. Geol, Black Hills of Dakota, p. 405, pi. xii, figs. 8-11. Mus, No. 

 12257. 



Inoceramus Meek. 



Bull. U. S. Geol. & Geogr. Surv. Terr., vol, ii, No. 4, p. 359, pi. i, fig. 6. Mus. No. 

 12507. 

 Inoceramus altus (M. «& H.) Whitf. 



Cret. No. 2. Rep. Geol. Black Hills of Dakota, p. 391, pi. ix, fig. 11, Mus. No, 12285. 



Inoceramus altus Meek. 



Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 43, pi, xiv, figs. 

 l,a,b. Mus. No. 12462. 

 Inoceramus balchii (M. »fe H.) Meek. 



Cret. No. 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 56, pi. xv, figs, la, 

 i. Mus. No. 484. 

 Inoceramus barabini (Morton) Whitf. 



Cret. No. 4. Rep. Geol. Black Hills of Dakota, p. 398, pi. vii,fig.7; pl.ix,fig. 8. 

 Mus. No. 12286. 

 Inoceramus barabini (Morton) White. 



Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol. iv, part i, p. 181. 

 Mus. No. 8626. 

 Inoceramus barabini (Morton) White. 



Rep. U. S. Geogr. &, Geol. Surv. west of 100th Meridian, vol. iv, part 1, p. 180, pi. 

 xvi, fig. 4a. Mus. No. 8621. 

 Inoceramus barabini (Morton) Meek. 



Bull. U. S. Geol. & Geogr. Surv. Terr., vol, ii. No, 4, p. 358, pi. iii, figs. 2, a.] Mus. 

 No. 1262. 

 Inoceramus cripsii (Mantell) Conrad. 



U. S. & Mex. Bound, Surv., vol. i, part ii, p. 152 (not the figured specimen). Mus. 

 No. 9892. 

 Inoceramus cripsii ? var. barabini (Morton) Meek. 



Cret. No, 4. Rep. U. S. Geol. & Geogr. Surv. Terr., 4to, vol. ix, p. 49, pi. xiii, figs, 

 la-c. Mus. No. 477. 

 Inoceramus cripsii ? var. subundatus Meek. 



Bull. U. S. Geol. & Geogr. Surv. Terr., vol. ii. No. 4, p. 358, pi. iii, figs. 1, a, 3, a, Mus. 

 Nos. 1261, 1348. 

 Inoceramus deformis (Meek) White. 



Rep. U. S. Geogr. & Geol. Surv. west of 100th Meridian, vol, iv, part i, p. 179, pi. 

 XV, fig. la. Mus. No. 8624. 



