PALEOZOIC. 



ECHINODERMATA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. LOWER SIL. 



UPPER SILURIAN. 



SPECIES. 



Herpetoorinus ... Salter, 1873 

 Myelodactylvs.. Ball, 185a... 

 — Fletcheri Salt 



POLTOBIlTtDJB. 

 Hypanthocrinus ... Phillips, 1839., 

 Eucatyptocrinus Goldfuss, 1836 

 — decorus Phill 



Ctathoceinid*. 

 Ichthyocrinus ... Conrad, 1838,. 



— Bacchus Salt. (MS.) 



— pyriformU Phill. 



— M'Coyanug Salt 



ASTERIADJ!. 



Lepidaster Forbes, 1850 ,. 



— Grayii Forbes 



Mariacrinus Hall, 1859 



— flabellatus Salt 



Melocbinioe. 

 Marsupioorinus... Phillips, 1839. 

 — cselatus Phill 



ASTEBIAD-E. 



Paleaster Hall, 1851 ... 



Urasterella...M'Coy,i8c>i {part) 



Uraster Agassiz 



Stenaster Billings, 1858.. 



— asperrimus Salt 



caractaci Salt. .. 



coronella Salt. .. 



hirudo Forbes 



imbricatus Salt. .. 



obtusus Forbes.. 



— primava Forbes., 



— Ruthveni Forbes., 



 ASTEEIAM. 



Palsoastoriua M'Coy, 1851 , 



Urasterella ... M'Coy, 1851 , 

 — prhmeva Forbes 



Ramsayensis ... Hicks. 



~30 



k 



REFERENCES. 



Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 1 1 8. 



Vide Eucalyptocrinus. 



Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 1 26. 

 Cyathocrinus, Sil. Syst. 1. 17, f. 6; Siluria, 4 ed. 1. 14, f. 8. 

 Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 163. 



Mem. Geol. Surv. Dec. Ill, 1. 1, f. 1-3. 



Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 122. 



Sil. Syst. p. 672, 1. 18, f. 3; ib. Siluria, 4 ed. p. 224, Foss. 

 56, f. 1-3, 1. 14, f. 1. 



Siluria, 4 ed. p. 191, Foss. 34, f. 2 ; ib. Ann. Mag. Nat. 

 Hist. 2ser. vol. xx, p. 825, t. 9, f . 1 ; ib. Mem. Geol. Surv. 

 vol. iii, p. 289, t. 23, f. 2. 



Cat. Mus. Pract. Geol. Coll. p. 30. 



Ann. Mag. Nat. Hist. 2 ser. vol. xx, p. 326. 



Uraster, Mem. Geol. Surv. Dec. I, 1. 1, f. 4. 



Mem. Geol. Surv. vol. iii, p. 289, t. 23, f. 8. 



Uraster, Mem. Geol. Surv. Dec. I, t. 1, f. 3 ; Salter, Ann. 

 Mag. Nat. Hist. vol. xx, p. 326. Palseaster, Mem. Geol. 

 Surv. vol. iii, p. 289, t. 23, f. 1 ; ib. Siluria, 4 ed. p. 191, 

 Foss. 34, f. 1. 



Vide Palaeasterina. 



Uraster, Mem. Geol. Surv. vol. ii, pt. 2, p. 463 ; ib. Decade I, 

 1. 1, t. 1. Palaaster, Siluria, 4 ed. p. 225, Foss. 57, f. 3. 

 ( Urasterella.) 



Uraster, Mem. Geol. Surv. vol. ii, pt. 2, p. 463 ; ib. Decade I, 

 1. 1 and 9, f. 2. Pal. primseva, Siluria, 4ed. p. 225, Foss. 

 57, f . 1 ; ib. Salt. Ann. Mag. Nat. Hist. 1857, voL xx, 

 p. 328, t. 9, f. 2. 



Q. J. Geol. Soc. vol. xxix, p. 51, t. 4, f. 31-23. 



