PA.L^OZOIC. 



HYDEOZOA. 



CAMBRIAN AND SILURIAN. 



CAMBEIAN. lOWEB SIL. TJPPEE SILTJEIAN. 



SPECIES. 



RetIOLITID^ (GLADTOaBAPTIDa;). 

 Clathrograptus ... Lapworth 



— cuneiformis Lapio 



DlPLOGEAPTIDiE {LapwortTi). 

 Climaoograptus . . . Sail, 1865 ... 



— caudatus Lapw 



— normalis Lapw. 



— perexcavatus ... Lapw. 



— Scharenbergi ... Lapw. 



— tubuliferus ,, Lapw. 



— Wilsoni Lapw. 



D1CHOGEAPTID.E. 

 Clonograptus Sail 



LicTiograptus ... Salter, 1862 . 



Temnograpius Nicholson, iS'j6 

 — flexilis Sail 



— rigidus., 



Sail 



COETNOIDEA. 

 Corynoides Nichulson, 1S67 



— ourtus Lapw 



DiPLOQ-EAPTlBiB {Lapworth). 

 Cryptograptus ... Lapworth, 1880 



— antennarins Sail 



— Sopkinsoni Nich. . 



— Sohseferi Lnpio. 



— tricornis Carr. . 



Ctenograptus Nicholson, 1876 



— annulatus Nich.^ 



MoifoaBAPTiD.E {Lapworth). 

 Cyrtograptus ... Carrtifherii, 1867 



— Carruthersi Lnpw 



— GiMyi Lffpin 



— Linnarssoni Lapw 



— tricornis Oarr 



Gkaptoloidea. 



Dawsonia Nicholson, 1873 



— complanata Nich 



Eh Ph 



REFERENCES. 



Grapto. Co. Down, Belfast Nat. Field Club, p. 135, t. 6, 

 f. 27, 1876-7. 



Grapto. Co. Down, Belfast Nat. Field Club, p. 138, 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. scalaris). 



Grapto. Co. Down, Belfast Nat. Field Club, p. I40, t. 6, f . 35, 

 1876-7 (Diplograptus). 



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

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

 scalaris). 



Belfast Nat. Field Club, 1876-7, p. 138, t. 6, f. 33. 



Cat. West. Scott. Foss'. 1876, t. i, f. 46; ib. Grapto. Co. 

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



Graptolithus, Geol. Survey of Canada, Rept. o£ Progress, 

 1857, p. 119, t. 3, f. 2-6. 



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

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

 1865, P- 105. t- ". f- i-S- 



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



Graptolithus, Geol. of Canada, 1863, p. 955. Climacograp- 

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



? Diplograptus. 



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



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

 Mag. Nat. Hist. 5 ser. vol. v, p. 1 74. 



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

 t. II, f. 4, 5, 1869. 



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. 158, t. 4, f. 12. 



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

 p. 171, t. 5, f. 27. 



Ann. Mag. Nat. Hist. vol. ii, p. 142, 1873. Graptogono- 

 pborcs, Gciil. Mac:, vol. iii, p. 488. Ovarian capsules, 

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



392 



