PALEOZOIC. 



HYDROZOA. 



CAMBEIAN AND SILURIAN. 



CAMDniAN. LOWKR SIL. Ul'PBB SILURIAN. 



SPECIES. 



RKTIOUTn>.K (GLAmOOKAPTID^E) 

 Clathrograptus ... Lapworth 



— cuneiformis Lapic 



DlPLOGRAPTIU-E {Laptcorth). 

 Climaoograptus... HaU, 1865 ... 



— caudtktns Lapw 



— uornialis Lapw. 



— perexcavatus ... Lapw. 



— Scharenbergi ... Lapw. 



— tulnilifenis Lapw 



— Wilsoni Lapw 



DiCHOGBAPTEDi. 



Clonograptus Mall 



Dicliograptus ... Salter, 1862 ... 

 Temnograptus Nicholson, iS']^ 



— flcvilis Ball 



— risidus.. 



Sail 



COETNOIDEA. 

 Corynoides NkhMon, 1S67 



— cnrtus Lapw 



DrPLOGBAPTlDJ: {Lapworih). 

 Cryptograptus ... Lapworth, 1880 



— autennarius Hall 



— Eophinsoni Nich. ., 



— Schaeferi Lnpw. 



— tricomis Carr... 



B 



T IS ^ 



Ctenograptus yicliolson, 1876 



— annulatus Nich 



MOKOGEArilB-E {Lapioorth). 

 Cyrtograptus ... Currufhere, 1867 



— CaiTUthersi Lnpw 



— Grayi Lapw 



— Linnarssoni Lapw 



— tricornis Carr 



Geaptoloidea. 



Dawsonia Nichohoti, 1873 



— couiplauata Nich 



-. IE 



?< I S I'm 



^ & 



Bis 

 ►J "3 



e., _ 

 c — 



REFERENCES. 



Grapto. Co. Down, Belfast Nat. Field Club, p. j ^s, t. 6, 

 f. ij, 1876-7. 



Grapto. Co. Down, Belfast Nat. Field Club, p. 13S, t. 6, f. 34, 

 1876-7 (var. of C. scalaris). 



Grapto. Co. Down, Belfast Nat. Field Club, p. 138, t.6, f. 31 

 (var. of C. Bcalai'is). 



Grapto. Co. Down, Belfast Nat. Field Club, p. 140, t. 6, f. 35, 

 1S76-7 (l)iplograptus). 



Cat. West. Seott. Foss. t. 2, f. 36. Grapto. Co. Down, Belfast 

 Nat. Field Club, p. 138, t. 6, f. 36, 1876-7 (var. of C. 

 scalaris). 



Belfast Nat. Field Club, 1876-7, p. 13S, t. 6, f. 33. 



Cat. West. Scott. Foss. 1876, t. 2, f. 46 ; ib. Grapto. Co. 

 Down, Belfast Nat. Field Club, p. 140, t. 6, f. 40. 



Grapiolithus, Geol. Survey of Canada, Rept. of Progi-ess, 



1857, P- 119. t- 3, f- ^-S- 

 Orapiolithus, Geol. Survey of Canada, Rept. of Progress, 



1857, p. 121, t. 4, f. 1-3; ib. Grapto. of Quebec Group, 



1S65, p. T05, t. II, f. 1-5. 



Cat. West. Scott. Foss. p. 9, t. 4, f. 92. 



Graptolithtts, Geol. of Canada, 1S63, p. 955. Climacograp- 

 ins, ib. Canadian Org. remains, p. 112, t. 13, f. 11-13, 1865. 



? Diplograptus. 



Fide Ann. Mag. Nat. Hist. 5 ser. vol. vi, p. 21. 



Diplngrapfiis, loc. cit. p. 9. Cryptograptus, Lapw. Ann. 

 Mag. Nat. Hist. 5 ser. vol. v, p. 174. 



Dichograpius ? Ann. Mag. Nat. Hist. 4 ser. vol. ccxxxiii, 

 t. II, f. 4, 5, 1S69. 



Geol. Mag. Dec. II, vol. iii. p. 544, t. 10, f. 6. 



Geol. Mag. Dec. II, vol. iii, p. .'544, t. 10, f. 11. 



Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 15S, t. 4, f. 12. 



JOiplograptiis, Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. v, 

 p. 171, t. 6, f. 27. 



Ann. Mag. Nat. Hist. vol. ii, p. 142, 1S73. Graptogono- 

 phores, Geol. Mag. vol. iii, p. 488. Ovarian capsules. 

 Mono. Brit. Grapto. pt. i, p. 71. f. 41. 



392 



