368 INDEX TO THE GENERA AND 



ROBULINA clypeiformis, d'Orbigny. Foram. Fossiles Vienne, 1846, 101, iv, 



23 and 24. 

 var. festonata, Costa. Atti Accad. Pontaniana, vn, fas. 



2, 1856, 196, X, 37^1, B, C [error for 11], xix, 1. 

 compressa, Bornemaun. Zeitschr. deutsch. geol. Ges. vii, 1855, 338, 



XV, 17. 



compressa, Egger. Neues Jahrbuch, 1857, 297, xiv, 12 and 13. 



compressa, Neugeboren. Arch. Ver. siebenburg. Landeskunde, N. F. 



X, Heft 2, 1872, 280, ii, 1^. 

 comptoni (Soweiby). Roemer, Verst. norddeutsch. Kreide, 1840-41, 



99, XV, 34. [v. Nautilus. 1 

 concinna, Reuss. Sitz. k. Ak. Wiss. Wien, xlviii, Abth. 1, 1863 



(1864), 52, V, 58a, b. 



confusa, Seguenza. Atti R. Ace. Lincei, [3], vi, 1880, 142, xiii, 21, 21a. 



corona-lunse, Stache. Novara-Exped., Geol. Theil i, 1864, 250, xxiii, 



29a, b. 



crassa, Roemer. Verst. norddeutsch. Kreide, 1840-41, 98, xv, 32. 



crenata, Hagenow. Neues Jahrb. f. Min. 1842, 572. 



cristellina, Ehrenberg. Mikrogeologie, 1854, xx, ii, 24. [= C. rolu- 



lata.'\ 

 cultrata, de Montfort. D'Orbigny, Ann. Sci. Nat. vn, 1826, 287, No. 1 ; 



and d'Orbigny, Modules, No. 82, 1826. \_Robidus, 1808.] 



Michelotti, Mem. Soc. Ital. Sci. xxii, 1841, 291, ii, 5. 



? Pilla, Distinz. terr. Etrurio, 1846, 104, i, 9. 



D'Orbigny, Forani. Fossiles Vienne, 1846, 96, iv, 10-13. 



Broun, Lethaea Geognostica, ed. 3, iii, 1853-56, 207, 



xxxv^, 9a, b. 



[d'Orb.] var. antipodum, Stache. Novara-Exped., Geol. Theil 



I, 1864, 251, xxiii, 30a, b. 



P., J., & B. [d'O., Modules, No. 82], Ann. Mag. Nat. Hist. 



[3], XVI, 1865, 32, i, 39. 



Basset, Ann. Soc. Sci. Charente-Inf. 1884 (1885), 163, fig. 



= Crist., see Nautili (Lenticulce marginatce) ; and Nautilus 



circiimalati, etc. ; and Naut. Icevi-lucido, etc. 

 cummingii, Michelotti. Mem. Soc. Ital. Sci. xxil, 1841, 292, ii, 4. 



Michelotti, Nat. Verb. Holland. Maatsch. Wetensch. 



Haarlem, [2], iii, (2), 1847, 14, i, 3. 



Bornemaun, Zeitschr. deutsch. geol. Ges. xii, 1860, 156, 



vi, la, b. 

 curvicosta, Seguenza. Atti R. Ace. Lincei, [3], vi, 1880, 144, xiii, 31 



and 31a. 

 curvisepta, Seguenza. Atti R. Ace. Lincei, [3], vi, 1880, 142, xiii, 20, 



20a. 

 curvispira, Seguenza. Atti R. Ace. Lincei, [3], vi, 1880, 144, xiii, 



28a-r. 

 declivis, Bomemann. Zeitschr. deutsch. geol. Ges. vii, 1855, 333, xv, 11. 

 Giimbel, Abh. m.-ph. CI. k.-bayer. Ak. Wiss. x, 1868 



(1870), 640, ii, 76a, b [76 bis, a and b by error in descr. to plate]. 

 deformis, Reuss. Zeitschr. deutsch. geol. Ges. ill, 1851, 70, iv, 30. [v. 



Cristellaria.'] 

 Bomemann, Zeitschr. deutsch. geol. Ges. vn, 1855, 337, 



xiv, 1-3. 



Reuss' Models, No. 33, 1865 (Catal., No. 63, 1861). [ = 



1st stage of C. rotulata.'] 



Reuss, Sitz. k. Ak. Wiss. Wien, XLViii, Abth. 1, 1863 



(1864), 53, V, 60a, b, 61a, b. 



denaria, Ehrenberg. Mikrogeologie, 1854, xxxii, ii, 39. [= Crist, rotu- 

 lata.] 



depauperata, Reuss. Zeitschr. deutsch. geol. Ges. in, 1851, 70, iv, 29. 



