18 



CIDARIS 



D. —Species from the White Chalk. 

 Cidahis clavigeua, Konig. PI. IV, PI. V, figs. 1 — 15. 



ClDAKIS PAPILLATA, Var. 



CLAVIGEUA, 



Piior-INQUA (pars) 



CLAVIGERA, 



De Luc. Mem. sur un Ecbinide singulier Mem. Acad. 



Roy. des Sciences, t. ix, p. 467, pi. xii, 1763. 

 Andrea, J. G. R. Briefe aus der Schweiz nach Han- 

 nover Geschr. in dem Jahr., 1763. 

 Leske. Klein, Nat. disp. Echinoderm, p. 134, pi. xlvi, 



figs. 2 and 3. 

 spinis claviculatis, Parkinson. Organic Remains, t. iii, pi. iv, figs. 1 and 



21, 1811. 

 Koniff, in Mantell's Geol. of Sussex, p. 194, pi. xvii, 



figs. 11 and 14, 1822. 

 Koniff. Icones Fossilium Sectiles, 1825. 

 Affassiz. Prod. Mem. Soc. des Sc. Nat. de Neuchatel, 



t. i, p. 188, 1836. 

 Desmoulins. Etudes sur les Echinides, p. 383, No. 34, 



1837. 

 Desmoulins. Ibid., p. 332, No. 22, 1837. 

 Geinitz. Charakter der Schict. und Petref. Kreide- 



gebirges, p. 90, 1839. 



— — Affassiz. Catal. Syst. Foss., p. 10, 1840. 



— — Hisinger. Lethsea Suecica, pi. xxvi, figs. 5, 6, 1840. 



— — Roemer. Norddeutscben Kreidegebirges, p. 28, pi. vi, 



fig. 7, 1840. 



— — Morris. Cat. of Brit. Fossils., p. 49, 1843. 



— — Affassiz et Desor. Cat. rais. des Ech. Ann. Sc. Nat., 



3eserie, t. vi, fig. 327, 1846. 



— — Reuss. Versteinerungen der Bbbmischen Kreideform., 



p. 57, pi. xx, figs. 17—20, 1846. 



— — Graves. Essai sur la top. Geog. du dep. de l'Oise, 



p. 692, 1847. 



— — Bronn. Index Palseontologicus, p. 298, 1848. 



— — IfOrbigny. Prodrome de Paleont., t. ii, p. 273, Et. 22, 



No. 1246, 1850. 



— — Sorignet. Ours, de l'Eure, p. 1, 1850. 



— — Forbes, in Dixon, Geol. of Sussex, p. 338, pi. xxv, figs. 



10, 11, 14, 18, 19, 20, 1852. 



— — Quenstedt. Handbucb der Petrefackt., p. 575, pi. xlviii, 



fig. 46, 1852. 



— — Forbes, in Morris's Cat. of Brit. Fossils, 2nd ed., p. 74, 



1855. 



— — Desor. Synopsis des Ecbinides Fossiles, p. 12, pi. vi, 



fig. 15, 1855. 



— Hebekti, Desor. Ibid., p. 12, 1855. 



