PALEOZOIC, 



HYDEOZOA. 



CAMBEIAN AND SILTIEIIAN. 



CAlIBEIAlf. 1.0WEE Sir. TjrPEB SILTTELAjr. 



SPECIES. 



Pterograptas Solm. 1881 



— aeutus SopJc 



MONOGEAMlDa. 

 Bastxites Sarrande,lS50 



— distans Lapw 



— fngax Barr 



— hybridus Lapw 



LASIOGBAMIBai 

 (GM)SS0GEAPIID.S). 



Betiograptus Sail, 1865.,, 



Suess. 1 85 1 



— tentacnlatus ... Mali 



Rbtiolitid^. 



Betiolites Barrand^,\'&ia 



Oladiograptus Bop. l( Lapvj, 



— fibratns Lapw 



— obesus Lapw 



a 



— var. Darroni ... Lapw 



DlCHOGEJLPTLD^. 

 Sehizograptua ... Nichohon, 1876 



— reticDlatus Nich 



DlCHOGEAPTTD^. 



Temnograptus ...Nioholson,\^l6 



— mvdtiplex Nich 



— Nicholsoni Lapw 



DiCHOGEAPTIDiB. 



Tetragraptus Salter, 1863 



— approxiiuatns ... Nich 



Bigsbyi Sail 



denticnlatns ... SaU 



fraticosus 



Sail 



THAmfOGEAPTIDJE. 

 Thamnograptos... SaU, 1859 



— Barrandii Sail 



— Scoticns Lapw 



— typus Sail 



DiCHOGBAPTID*. 



TrichograptuB . . . Nicholson, 1876 



— fragilis Nich 



EEFEEENCES. 



Vide Ptilograptus, Hall, p. 13, loc. cit. 



Geol. Mag. Deo. 11, vol. iii, p. 313, f . 2. 



Grapto. de Boh6me, p. 66, t. 4, f . i. 



Geol. Mag. Dec. II, vol. iii, p. 313, t 10, f. 5. Var. of 

 Bast, peregrinus. 



GraptoUthus, Geol. Survey Canada, Eept. for 1857, p. 134. 

 Retiograptns, ib. Canadian Org. Remains, Dec. II, 1865, 

 p. 116, t. xiv, f. 6-8; ib. Lapw. Ann. Mag. Nat. Hist. 

 5 ser. vol. -vi, p. 22, 188. 



Belfast Nat. Keld Clvh (Grapto. Co. Down), p. 136, t. 6, f. 28. 



Kept. Brit. Assoc. 1871, p. 104 (Gala Gronp) ; ib. Belfast Nat. 

 PieldClnb (Grapto. Co. Down), p. 137, t.6, f.29, 1876-7. 



Belfast Nat. Field Club (Grapto. Co. Down), p. 137, t. 6, 

 f.30. 



Dickograptm, Q. J. Geol. Soc. vol. xxiv, p. 143, t. 5, 

 f . 3-S. 



? Lichograptws, Q. J. Geol. Soc. vol. xxiv, p. 129, t. 6, f . :-3. 

 ? Didymograptns, p. 8, loc. cit. 



Fide Herrmann, Geol. Mag. Dec. Ill, vol. iii, p. 19 (wood- 



cnts, p. 17, f. 5). 

 Graptolithus, Geol. Snrv. Canada, Org. Remains, Dee. II, 



p. 86, t. 16, f. 22-30. ? Fhyllograptus similis. Hall. 



? Tetragrapiiis, Bigsbyi Linnars. Lapw. 

 GraptoUthm, Geol. Snrv. Canaxla, Rept. Progress, 1857, 



p. 132 ; ib. Quebec Gronp, p. 88, t. 4, f. 12-16. 

 Qraptolithus, Geol. Surv. Canada, R«pt. Progress, 1857, 



p. 128 ; ib. Geol. Snrv. of Canada (Grap. Quebec Group), 



p. 90, t. 5, f . 6-8, t. 6, f . 1-3. 



Cat. West. Scott. Foss. p. 7, t. 6, f . 95. 

 Cat. West. Scott. Foss. p. 7, t. 6, f . 94. 

 Vide PhyUograptus. 



Vide Dichograptus, loc. cit. p. 6. 



397 



