186 



GLYPTICUS. 



Glypticus hieroglyphicus, Goldfuss. Plate XIII, tig. 3 a, b, c, d, e,f. 



echinites toreumaticus. 



Echinus hieroglyphicus. 

 Arbacia hieroglyphica. 



Echinus hieroglyphicus. 



Glypticus hieroglyphicus. 



Glypticus hieroglyphicus. Bourguet, Traite des Petrifications, pi. 51. fig. 377 (1742). 

 — — Knorr, Recueil des Monuments des Catastrophes, que le globe 



terrestre a essayees, contenant des Petrifications, tabl. e ii, 



No. 35, fig. 3, 1775. 

 Leske, Additamenta ad Kleinii dispositionem Echinoderma- 



tum, p. 156, pi. 44, fig. 2, 1778. 

 Goldfuss, Petrefacta Germanise, p. 126, tabl. 40, fig. 17, 1829. 

 Agassiz, Prodrome d'une Monographic des Echinodermes, 



p. 23, 1836. 

 Desmoulins, Tableaux synonymiques des Echinides, No. 60, 



p. 292, 1837. ■ 

 Lamarck, Animaux sans vertebres, 2 de edit., tome iii, p. 372, 



No. 43, 1840. 

 Agassiz, Catalogus systematicus ectyporum Echinodermatum 



fossilium, p. 13, 1840. 

 Agassiz, Echinodermes Fossiles de la Suisse, 2 e partie, p. 96, 



pi. 23, figs. 37—39, 1840. 

 Bronn, Index Paloeontologicus, p. 186, 1849. 

 Agassiz and Desor, Catalogue raisonne des Echinides. Annates 



des Sciences Nat., 3 me serie, tome vi, p. 360, 1846. 

 Bronn, Lethsea Geognostica, 3"* Auflage, Band ii, p. 146, 



pi. 17, fig. 4, 1851. 

 D'Orbigny, Prodrome de Paleontologie stratigraphique uni- 



verselle, tome ii, p. 26, 14th 6tage, No. 420, 1850. 

 Quenstedt, Handbuch der Petrefactenkunde, p. 581, 1852. 

 Cotteau, Etudes sur les Echinides Fossiles, p. 166, pi. 20, figs. 



12—15, 1852. 

 Desor, Synopsis des Echinides Fossiles, p. 95, tabl. 16, 



figs. 1—3. 



Test thick, circular, flattened at the base, hemispherical on the upper surface, sub- 

 depressed ; ambulacral areas narrow, straight, with two rows of marginal tubercles; 

 poriferous zones deeply sunk, pores unigeminal; inter-arabulacral areas wide, with two 

 rows of tubercles at the base ; on the upper surface the plates are deeply sculptured with 

 irregular, hieroglyphic-like figures ; tubercles imperforate and bosses smooth ; apical disc 

 large; genital plates elongated, with a sculptured surface, holes near the outer fourth; 

 ocular plates triangular, holes marginal; mouth opening large, peristome decagonal, 

 lobes unequal, notches small. 



Dimensions. — Height, eleven twentieths of an inch ; transverse diameter, one inch and 

 one tenth. 



