FROM THE LOWER CHALK. 319 



Chalk and Upper Greensand may be bracketed together, and not separated by a hard- 

 and-fast hne as at present. 



HoLASTER suBGLOBosus, Leske, sp. PI. LXXIII, figs, a — //. 



Spatangus SUBGLOBOSUS, Leslce. Add. ad Kleinii Disp. Echin., p. 240, pi. liv, 



figs. 2, 3, 1778. 

 Echinus subglobosus, Linnc. Gmelin's Systema Natura, p. 3198, 1789. 



— — Lamarck. Encyl. Method., Zoophytes., pi. 157, figs. 7, 8, 



1791. 

 Spataitgus subglobosus, LamarcA-. Animaux sans Vertebres, t. iii, p. 33, 1816. 



— — Beslongchamps. Encycl. Method., Zoophytes, p. 689, 



1824. 



— — Goldfuss. Petref. Germanise p. 148, pi. xvii, fig. 4, 



1826. 



— — Blainville. Zoophytes, Diet. Sc. Nat., t. Ix, p. 185, 1830. 



— HEMisPH^EEicus, PAz'ffips. Geol. of Yorkshire, p. 91, pi. i, fig. 16, 1835. 

 HoLASTEK SUBGLOBOSUS, Agassiz. Prodrome, Mem. Soc. Kat. de Neuchatel, t. i, 



p. 183, 1836. 

 Spatangds SUBGLOBOSUS, Desmoulitts. Etudes sur les Echinides, p. 398, 1837. 

 HoLASTEE SUBGLOBOSUS, Affossic. Descr. des Echin. foss. de la Suisse i, p. 13, 



pi. ii, figs. 7—9, 1 839. 



— ALTUS, Agassiz. Ibid., pi. iii, figs. 9 — 10, 1839. 



— SUBGLOBOSUS, Romer. Petref. der norddeutschen Kreidegebirges, p. 34, 



1840. 

 HoLASTER SUBKOTUNDUS, Sismonda. Echin. Foss. del Cont. di Nizza, p. 5, 1843. 



— SUBGLOBOSUS, Morris. Catal. of British Fossils, p. 54, 1843. 



— — Agassis ^ Besor. Catal. raisonne des Echinides, p. 133, 



1847. 



— — A. Gi-as. Oursins Fossiles de I'lsere, p. 6.3, 1848. 



— — Sorignet. Oursins de I'Eure, p. 6", 1850. 



— — ■ i^or6e«, in Dtson's Geol. of Susses, p. 341, pi. xxiv, fig. 2, 



pi. xxix, fig. 1, 1850. 



— — Bronn. Lethsea Geognost., p. 204, pi. xxxi, fig. 2 a, a, 



1852. 



— • — Forbes. Mem. Geol. Surv. Decade iv, pi. vii, 1852. 



— — Quenstedl. Handbuch der Petref., p. 591, pi. 1, fig. 14, 



1852. 



— — (TOrhigny. Paluont. FraD9., Terr. Cret., t. vi, p. 97, pi. 



816, 1853. 



— — Leymerie et Cotteau. Catal. des Echin. Foss. des Pyre- 



nees ; Bull. Soc. Geol. de France, 2me serie, t. xiii, 

 p. 350. 1856. 

 — - — Stromheck. Glieder. des Planers, in N.-W. Deutschland ; 



Zeitschr. der Deutschen geol. GeseUsch., vol. ix, p. 415, 

 1857. 



