PALAEOZOIC. 



ANNELIDA. 



CAMBRIAN AND SILURIAN. 



CAMBBIAN. LOWEB SIl. 



UPPEE SILUBIAN. 



SPECIES. 



w 



DOESIBEANCHIATA. 

 Cruziana D'Orb. 1842 , 



(Coriaceous amieUde tubes) .... 



Frcetia Ronalt 



— semiplicata Salt 



DOESIBEAirCHIATA. 



Dexolites Sop'kinson,i8';o 



— gracilis HopJc 



DOESIBEANCHIATA. 



Haughtonia Kinahan, i8t 



— pseoila Ki/n 



DOESIBEANCHIATA. 



Helminthites Salter, 1 866 



{^Surface annelide markings) 



— Sp Salt 



DOESIBEANCHIATA. 



Histioderma Kinahan, 1858 



{Curved hnrrovis of amnelida) ... 

 — Hibemica Kin 



a 



DOESIBEANCHIATA. 



Iiumbrioaria Miinsi. 1826 ... 



{Trails of OMneUda) 



— antiqua Portl 



— gregaria Fortl 



DOESIBEANCHIATA. 



Myrianites M'^Leay, 1839. 



— M°Leayi MwrcTi 



— tenuis M'Coy 



Abbanchia ? 



Wemertites M^Leay, 1 839 . . 



(Long involved narrow trails of 



— Ollivauti Mwrch 



DOESIBEANCHIATA. 



ITereites Jlf "iej^, 1839 



{Jm/pressions of am/neUda with 

 branchice) 



— Cambreusis Mitrch 



— multiformis ,.. Sa/rlc,. 



<( (^ O 



REFERENCES. 



EERANTIA. 



Brit. Assoc. Rept. 1852, vol. v, p. 58; ib. Mem. Geol. Surv. 

 (Geol. N. Wales), vol. iii, p. 291, t. 3, f . 1-3 j ib. Siluria, 

 4 ed. p. 43, Poss. 6, f. 3; ib. Baily, Cbar. Foss. pt. I, t. 3, 

 f. I. ? Trilobite bwrrows, Dawson. 



EERANTIA. 

 Geol. Mag. vol. vii, p. 77, woodcut; p. 78, f. i, 1 a, woodcut. 



EEEANTIA. 



Jour. Roy. Geol. Soo. Dub. vol. viii, 1858, p. 1x6-120, wood- 

 cuts; ib. p. 118, f. 2. 



EEEANTIA. 



Q. J. Geol. Soc. vol. x», p. 380, 1. 13, f. 28; ib. Mem. Geol. 

 Surv. (Geol. N. Wales), vol. iii, p. 247, f . 3, woodcut. 



EEEANTIA. 



Jour. Roy. Geol. Soc. Dub. vol. viii, p. 70, t. 6, f. i, 2; ib. 

 Baily, Geol. Mag. vol. ii, p. 398, i. 6, woodcut ; ib. Baily, 

 Figs, of Cliar. Brit. Foss. p. 3, t. ^, f . 4 a-c. 



EEEANTIA. 



Geol. Kept. Lond. p. 361, t. 24, f. 7. 

 Geol. Rept. Lond. p. 361. 



EEEANTIA. 



Sil. Syst. p. 700, t. 27, f.3; ib. SUuria, 4ed. p. 201, Foss. 44, 

 f.i. 



Brit. Pal. Foss. p. 130, 1. 1 D, f. 13. 



Sil. Syst. p. 701, t. 27, f. 4. 



EEEiNTIA. 



Sil. Syst. p. 700, t. 27, f.ij ib. Siluria, 4ed. p. 201, Foss. 44, 

 f. 3; ib. M'Coy, Brit. Pal. Foss. p. 129. 



Q. J. Geol. Soo. vol. xi, p. 476. 



35 



