.• 226 



ECHINOCONUS 



EcHiNocoNus ABBREviATUs, Desor. PI. LII, fig. 2 a — i ; PI. LIII, fig. 1. 



— XODUS, 



— BULLA, 

 ECHIXITES VULGAKIS, 



Galerites — 



echinites 



Galerites truxcatus, 

 — vulgaris, 



CoxuLus GLOBULUS, Klein. Nat. dispositio Echinodermatum, p. 25, tab. xiii, c, 



D, E, r, var. a, Wagricus ; tab. xiv, c, d, e, f, var. /3, 

 Gedanensis, 1734. 



Klein. Idem., tab. xiv, g, h, Gottlandicus, 1734. 



Klein. Idem., tab. xiv, i, k, Gedanensis, 1734. 



Leske (pars), Klein. Echin., tab. xiii, c, d, e, f ; tab. xiv, 

 C, D, E, F, 1778. 



Gmelin. Syst. Naturae, p. 3182, 1789. 



Bruguiere. Encycl. Method., tab. 153, figs. 6, 7, 1791. 



Lamarck (pars). Syst., p. 347, 1801. 



Lamarck. Animaux sans Verte'bres, t. iii, p. 20, 1816. 



Schlotheim. Die Petrefakten, p. 320. 



Befrance. Die. Sc. Nat. Galerites, t. viii, p. 87. 



Beslongchamps. Encycl. Method., p. 431, 1824. 



— — Goldfuss. Petrefacta Germania;, tab. xl, fig. 20, 1829. 

 _ _ Woodward. Geology of Norfolk, pi. v, fig. 2, 3,1833. 



— — Blainville. Manuel d'Actinologie, p. 222, 1834. 



— PYRAMiDALis, Besmouliyis (pars). Etudes sur les Echinides, p. 248, 1837. 



— ABBREViATA, Besor. Monographie des Galerites, tab. iii, figs. 9 — 17, p. 20, 



(lion Lamarck), 1816. 



— — Agassiz and Besor. Catal. raison., p. 90 (modeles s. 65, 



s. 70). 



— VULGARIS, d'Orbignij. Prod., t. ii, p. 272, 1847. 



— ABBREVIATUS, Forbes (pars). Mem. Geol. Soc. Survey, decade iii, pi. viii, 



fig. 5, 1850. 



— — Bronn. Lethea Geognost. Kreid., p. 192, pi. xix, fig. 17, 



1854. 



— — Besor. Synopsis des Echinides Foss., p. 184, 1858. 

 _ _ Morris. Catal. of British Fossils, 2 ed., p. 80, 1854. 



— — d'Orbigny. Revue de Zoologie, p. 20, 1S54. 

 EcHiNocoNCS GLOBULUS, d'Orbigny. Pale'ontol. Franfaise, t. vi, tab. 999, p. 522, 



1855. 



Diagnosis — Test thick, elevated, conoidal or globular, margin almost circular, not 

 angular ; wider near the anterior third ; base flat, rounded at the circumference ; single 

 inter-arabulacrirai narrow, tumid, and recurved at the border ; vent prominent, infra- 

 marginal; primary tubercles surrounded by deeply concave areolas ; mihary granules 

 large and thickly set on the inter-tubercular spaces. 



Dimensions. — Height, one inch and one tenth ; length, one inch and four tenths ; 

 latitude, one inch and three tenths. 



Descrij)tion. — The attempt to make out the history of this Urchin has proved a per- 

 plexing and unsatisfactory task, inasmuch as the type-specimens figured by Klein were 



