PAL.«OZOIC. 



ECHINODERMATA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. LOWER BIL. 



UPPER SILURIAN. 



SPECIES. 



Dimeroorinus (continued) 



— simplex Phill. 



— uniformis Salt. 



CYSTIDK.E. 



Eohinooystites ... Thornton, 1861 



— pomam Oyll 



Thorn. 



CrsTLDE.E. 

 Echino-encrinites Meyer, 1836 

 Echino-encrinus Votbr. 184a 

 Ooniocrinites... Eichw. 1840 

 Sycocystites ... Y.Buch, 1844 

 Cycocystites ... D'Orb. 



— armatns Forbes 



— baccatus Forbes 



CrSTIDEiE. 

 Echino-sphaerites Wahl.iS2l,pars 

 Sphceronites ... His. 1828, pars 

 Caryocistites V.Buch,i8\4,pars 



— arachnoideus ... Forbes 



— aurantium Qyll 



— Balticus Eichio. 



— Davisii M'Coy 



— granatus Wahl 



— granulatus M'Coy 



— punctalus Forbes 



Ctathocrinid*. 

 Ennallocrinus ... If Orb. 1839 ... 

 Apioeriniles ... Hisinger, 



— punctatus ...... His. 



— ecriptus EU. 



28 



REFERENCES. 



Vide Taxocrinus tesseracontadactylus. 



Cat. Cainb. and Sil. Foss. Woodw. Mus. Cambr. p. 120. 



Echinus, Akad. Vetensk. Handl. 1772, p. 242, 253, t. 8, 

 f. 1-3. Sphceronites, His. Anteck. vol. iv, p. 196, t. 5, 

 f. 7. Vide Mem. Geol. Surv. vol. iii, p. 290. Echino- 

 cystitcB, Edinb. New Phil. Jour. 1861, p. 109, t. 3, f. 1-3; 

 t. 4, f . 1-3. 



Edinb. New Philo. Jour. 1861, p. 109, t. 4, f. 4, 5. 



Mem. Geol. Surv. vol. ii, p. 506, 1. 18, 19; ib. Geol. Mag. 

 vol. ii, t. 8, £.io,ii; Siluria, 4 ed. p. 222, Foss. 55, f . 6. 



Mem. Geol. Surv. vol. ii, p. 506, 1. 17; Siluria, 4 ed. p. 222, 

 Foss. 55, f. 5. 



Sphceronites, Mem. Geol. Surv. vol. ii, pt. 2, p. 518, t. 22, 

 f. 4j ib. vol. iii, p. 287, t. 20, f. 8. 



Vide Sphaeronites stelluliferus. 



Zool. Spec. vol. i, p. 231, t. 3, f. 12 ; ib. Vera. Geol. Russ. 

 p. 25, 1. 1, f. 9. Heliocrinites, Eichw. Sil. Syst. Esthland, 

 p. 1 89. Sphceronites, Forbes, Mem. Geol. Surv. vol. ii, 

 pt. 2, p. 518, t. 22, f. 3j ib. vol. iii, p. 287, t. 20, f. 7; 

 ib. Siluria, 4 ed. p. 191, Foss. 33, f. 1. 



Brit. Pal. Foss. p. 61, 1. 1 D, f. 5. Caryocistites, Forbes, 

 Mem. Geol. Surv. vol. ii, pt. 2, p. 513, t. 21, f. 5; ib. 

 vol. iii, t. 20, f. 9, p. 287. 



Fchino-sphcerites, Act. Soc. Upsal, vol. viii, p. 53. Sphcero. 

 testudinarius, His. Leth. Suec. p. 92, t. 25, f. 9 ; ib. Von 

 Buch, Cystid. p. 17, 1. 1, f. 8-10. E. granatus, Forbes, 

 Mem. Geol. Surv. vol. ii, pt. 2, p. 512, t. 21, f. 4; ib. 

 Siluria, 4 ed. p. 291, Foss. 33, f . 5. 



Synop. Sil. Foss. Irel. p. 59, t. 4, f. 16 ; ib. Sil. Syst. t. 30, 

 f. 3j ib. Siluria, 4 ed. p. 291, Foss. 33, f. 3. 



Vide Sphseronites. 



Apiocrinites, Leth. Suec. p. 89, t. 25, f. 2. Ennallocrinus, 

 D'Orb. Crinoid. p. 94, 1. 16, f. 30. 



Apiocrinites, Leth. Suec. p. 89, t. 25, f. I. Ennallocrinus, 

 D'Orb. Crinoid. p. 94, 1. 16, f. 29. 



