PALEOZOIC. 



HYDROZOA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. lOWBB SIL. TJPPBE SILUEIAN. 



SPECIES. 



Pleurograptus (contimied). 

 — vagans Ifich, . . . 



PHTILOaEAPTID^. 



Phyllograptus . . . Hall, 1865. 



Thamnograpfus ?Sall 



— angustifolius ... Hall 



— Stella Hopi: 



— typus Hall 



? GonaoNiDiE. 



Protovirgularia. . , M'Coy, 1850 .. 



— dicbotoma M'Coy 



— Harknessi Lapw 



Ptiloseaptidj!. 



Ptilograptus JEfaM, 1865. 



— acutus HopTt 



t 



— anglieus Nich. . 



— cristula Hoph.. 



— elegans Hoph.. 



— Hlcksii HopTc.. 



MOirOGEAPTID.2B. 



Bastrites BarranAe, 1 850 



-.- Barrandii HarTc 



— capillaris Ca/rr 



— Lirmsei Barr. 



— maximus Ca/rr. 



— peregrinus Barr. 



— triangulatns ... HarTc.. 



GEAPTOLITIDa;. 



Eetiolites Barrande,iSc^o 



GladioUtes Barr. 1 850 



? Retiograptus . Hall ,,. 



pq 



BEPEEENCES. 



Q. J. Geol. Soc. vol. xxiv, p. 144, t. 6, f. 4, 5. 



Grapto. Quebec Group, p. 125, 1. 16, f. 17-21 ; ib. Salt. Q. J. 

 Geol. Soc. vol. jdx, p. 138, woodcut, p. 137, f. 7 a, b; ib. 

 Nicb. Q.J. Geol. Soc. vol. xxiv, p. 1 32 ; Siluria, 4 ed. 

 p. 541, Foss. 90, f. 7. 



Q. J. Geol. Soc. vol. xxxi, p. 658, t. 34, f. 6. 



Grapto. Quebec Group, p. 1 19, 1. 1 5, f . i-i 2 j ib. Nicli. Q. J. 

 Geol. Soc. vol. xxiv, p. 133, t. 5, f. 16. 



Brit. Pal. Foss, p. 10, , 1. 1 B, f. 11, 12 ; Hark. Q. J. Geol. 

 Soc. vol. xi, p. 476 ; ib. Baily, Char. Foss. p. 6, f . 4. 



Geol. Mag. vol.'vii, p. 279, 281. 



Hopk. and Lapw. Arenig Rocks, St. David's, Q. J. Geol. Soc. 

 vol. xxxi, p. 662, t. 37, f. I. 



Ann, Mag. Nat. Hist. 4 ser. vol. i, p. 238, woodcut, p. 240, 

 f.1-5. 



Hopk. and Lapw. Grapto. Arenig and Lland. Rocks, St. 

 David's, Q. J. Geol. Soc. vol. xxxi, p. 661, t. 36, f. 2. 



Geol. Mag. 1873, vol. x, p. 520. 



Hopk. and Lapw. Grapto. Arenig and Lland. Rocks, St. 

 David's, Q. J. Geol. Soc. vol, xxxi, p. 661, t. 36, f. i. 



Q. J. Geol, Soc. vol. xi, p. 475. ? Cladoyrap. gracilis, Carr. 



Geol. Mag. vol. v, p, 126, t. 5, f. 16, B. gemmatus, Barr, 



Richter Zeitschr, Deutsch. Geol. Gesellesch. 1853, 1. 12, 



f- 34"- 

 Grapto. de BohSme, p. 65, t. 4, f, 2-4; ib. Carr. Geol. Mag. 



vol. V, p, 126, t, 5, f. 15 J ib. Nich. Q. J. Geol. Soc. vol. 



xxiv, p. 531, 1. 19, f . 25, 26. 



Geol. Mag, vol. v, p. 1 26, t. 5, f . 14 ; ib. Siluria, 4 ed. p. 541, 

 Foss. 90, f . 6, 



Grapto. de Boheme, p, 67, t. 3, f. 10-13; *• 4. ^ ■ 5 5 i^- 

 Hark. Q. J. Geol, Soc, vol, vii, p. 59, 1. 1, f . i ; ib. Nich. 

 vol. xxiv, 1. 19, f. 23, 24; ib. Siluria, 4ed. p. 61, Foss. 12, 

 f, I J ib. BaUy, Char. Brit. Foss, vol, i, p. 26, t, 9, f. 7. 



Vide Graptolithus Sedgwickii. 



13 



