PALZOZOIC. HYDROZOA. CAMBRIAN AND SILURIAN, 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
a SIS SIT ISitale 
&| |S A118 ja le |S lela ls é 
a= 5 eid Ebhp] 2S 
SPECIES. slalale| i lelSla| ese risrlela REFERENCES. 
ASE Shears lslclAlSleiSlslslsiele 
a/S/M RIS |S Sle] | Si/S/SlElslal3) 2 
S| o |.8 SlalSo S O| I | 
BIS IS|S/<|A IS/SIS1E IE IE Ala 518 |e 
RETIOLITIDEH (GLADTIOGRAPTID®). 
Clathrograptus ... Lapworth ...... 
— cuneiformis...... Lrapwe vscecere-|ees secfrer[eeefooe] RL eccfeeefee. 964|| 105) [5104] [G09 Inga laa foo) ken Brae: Co. eee Belfast Nat, Field Club, p. 135, t. 6, 
- 27, 1876-7. 
DreLocraptip& (Lapworth). 
Climacograptus,., Hall, 1865 
— caudatus ......... LOW. virecorse}aes sc [coo toed [oa eet oil ewe oe 54) [ood Joost |ooc Grapto. Co. Down, Belfast Nat. Field Club, p. 138, t. 6, f. 34, 
1876-7 (var. of C, scalaris). 
— normalis ,,....... Tia peds socesees Palkoelicod kod bac or Grapto. Co. Down, Belfast Nat. Field Club, p. 138, t.6, £. 31 
(var. of C. scalaris). 
— perexcavatus ... Lapw. ......... neAlloadl {cod|[onc| (oct a fs Hone foo ee (eeel| ite v[.s.]...[eee]--)] Grapto. Co, Down, Belfast Nat. Field Club, p. 140, t. 6, £. 35, 
1876-7 (Diplograptus). 
— Scharenbergi ... Lapw. ......... 7 esl aca! eal en BP | (Ee Real cess eae ce erst ae lene Rete Cat. West. Scott. Foss. t. 2, £. 36. Grapto. Co. Down, Belfast 
Nat. Field Club, p. 138, t. 6, f. 36, 1876-7 (var. of C. 
scalaris). 
— tubuliferus ...... LOCTSIS = soppencon||coe||o07||600l|60°] fcoallase|| £| [oor be seslecelecelece|seefeee]eeefee-| Belfast Nat, Field Club, 1876-7, p. 138, t. 6, f. 33. 
— Wilsoni ......... DUNO. ivsesscoxs Seal |o00) eel fSS¢) fecal lapel Is | oee| face sesfecs[ore}eee|.oefeee{eesfeee] Cat. West. Scott. Foss. 1876, t. 2, f. 46; ib. Grapto. Co. 
Down, Belfast Nat. Field Club, p. 140, t. 6, f. 40. 
DICHOGRAPTIDE. 
Clonograptus...... Ha Witwesteecesanes 
Dichograptus ,., Salter, 1862 ... 
Temnograptus Nicholson, 1876 
— flexilis ...,.... micas DELALUS ts ceveerostien| (nts seallees Graptolithus, Geol, Survey of Canada, Rept. of Progress, 
1857, p. 119, t. 3, £. 2-6. 
— rigidus,........... FECAYD. poe cero OP 554 load] fea oad) leecl nad oe secfece[oee|oos|.sfeeeleee|es] @raptolithus, Geol. Survey of Canada, Rept. of Progress, 
1857, p. 121, t. 4, f. 1-3; ib. Grapto. of Quebec Group, 
1865, p. 105, t. 11, £. 1-5. 
CoRYNOIDEA. 
Corynoides.,,,,..... Nicholson, 1867 
S——iCUTUIG 1 Oat nota ts Tice, senneen- Sata tall sere teed A ees seal cdl cos sesfase[ees[ecs]ace[eeefeoeee] Oat. West, Scott. Foss. p. 9, t. 4, £. 92, 
Drerocraprips (Lapworth), 
Cryptograptus ... Lapworth, 1880 
Graptolithus, Geol. of Canada, 1863, p. 955. Climacograp- 
— antennarius,..... STC ease p peo tee 6630) fao| 868) sod f=" Ifoo0||n60) eee lage BAA) fons (e00| cael Ineo! lead label fooe 
tus, ib. Canadian Org. remains, p. 112, t. 13, £. 11-13, 1805. 
— Hopkinsoni...... Nich. ....05 etcions Roc ees odd ice fa hoa eset leo loos aos |es| won| see |paeliess| eeslees| (Phe Duplopraptus: 
— Scheferi......... DD ees eeneve a 6og| peal Bal ead (see Vide Ann. Mag. Nat. Hist. 5 ser. vol. vi, p. 21. 
— tricornis ......... COT Nenesedee=<s> See Diplograptus, loc. cit. p. 9. Cryptograptus, Lapw. Ann. 
Mag. Nat. Hist. 5 ser. vol. v, p. 174. 
Ctenograptus...... Nicholson, 1876 
— annulatus ...... INCH anced b coe aps loag| aoa Dichograptus? Ann. Mag. Nat. Hist. 4 ser. vol. ccxxxiii, 
t. 11, £. 4, 5, 1869. 
Monoeraprip® (Lapworth). 
Cyrtograptus ... Carruthers, 1867 
Geol. Mag. Dec. II, vol. iii, p. 544, t. 10, f. 6, 
— Carruthersi,,../. Lapw. 6| fua6) Ineo) £4 [pel oon feo) (oe) fsa joe 
=—iGTAYL, sea.cssvetes Lapw P]...[ecc] vefee Jooefeee|eee]-+-| Geol. Mag. Dec. II, vol. iii, p. 544, t. Io, f. 11. 
— Linnarssoni.,..... IEG IONS eecentnne\{on0||-20) 004 |oa¢ [ooo Ine) [ped \dor| [aoe ¥ Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 158, t. 4, f, 12. 
— tricornis ......... CON rcovsecscess Baal looel [coda son Pra lead (exe sesfessfecefecs]ece[eee]eee[-e] Diplograptus, Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. v, 
Py Liz Tpmibard, ea 276 
GRAPTOLOIDRA. 
Dawsonia ......... Nicholson, 1873 
— complanata...... DICH) cc scos+s0-:|'20-| cael eee|ae=f ooel| i | a) |anf==={'-°e] sacl ens |eeel sen eoalllees [lnm Ann. Mag. Nat. Hist. vol. ii, p. 142, 1873. Graptogono- 
phores, Geol. Mag. vol. iii, p. 488. Ovarian capsules, 
Mono. Brit. Grapto. pt. i, p. 71, f. 41. 
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