PALAOZOIC. HY DROZ OA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL, UPPER SILURIAN. 
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Diplograptus (continued). 
— vesiculosus ...,.. UNE Ch orecateesc sess Feces oe leafless poe | coe| lace sealece[ecs[ere[ece|eee[eee[oe.] Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 237, t.11, £.14, 15. 
— Whitfieldi ...... TT GIVE as sere ns al feee (ped [eee Fee #11546) [oor [Soo see[eee{eeeleee[eee|oeefee-[ee-| Pal. New York, vol. iii, Supp. p. 516, f.1; ib. Nich. Geol. 
Mag. vol. iv, p.111, t. 7, f..4; ib. Carr. Geol. Mag. vol. v, 
p. 131, t. 5, f. 3. 
Gladiolites ......... Barrande, 1850}...|.-.|+.-|...J..- se [a0] S8e| [oon sesfece[ece[erefec-[oee[oeelee.| Wade Retiolites. 
GOPGOME veces essen Lamarck ...... 8a) (sce (o60 eee! [oer $85 loonl ocd bac pct] 2sellsen|toxalfopeloac .|...| Vide Fenestella. (Polyzoa.) 
GLOSSOGRAPTID®, 
Glossograptus ... Emmons, 1855 . 
— ciliatus ......... EMI, an svee cons BFA lao [Bool fae [E164 lon kane Ieac Bisa cal cel acl Motl Reel ieoo ...| Am. Geol. vol.i, p. 108, t.1, f.25; Hopk.and Lapw. Grapto. 
Arenig and Lland. Rocks, St. David’s, Q. J. Geol. Soc. vol. 
MoNoGRAPTIDE, ECE HP") Q5 920-149) hid 
Graptolithus ...... His, Linn.1751 
Monoprion ...... Barrande ...... 
Monograptus ... Geinitz, 1853... 
Priodon ......... WNGISSON s...c00-: 
Lomatoceras ... Bronn ......... 
Prionotus ...... Nilsson 
— acutus............ Hopk....... 55¢|fooe||c04|1954) lon [oob Py Sac head lone vs|ese|/ese|eee|oos|ess|eee|..] (Geol. Map. vol.ix, p. 504, t.12, £. 4. 
— argenteus ...... INGER eecnocnssa00 G6-||dod [coe [sod lone Sal ail)oed fan0 ses[oee[ece[ece]eee[eee[ere]ee| Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 239, t. 11, f. 109. 
— attenuatus ...... LOD a rrreisdoecoaes pea live | Sve | eal eae ©|\pb<||n04 soo sesfaelecefoes]aeefecefeeefeee| Geol. Surv. Scotland, Expl. sheet 15; id. Geol. Mag. vol. ix, | 
[Ob Hee Ub. Ts A a . 
——" Becki y. icc. TET caebonosdce Ped laSe Iso eed leac Fe lod (ed ed see[ecefeasfees]oeefess[eee].ee| Grapto. de Bohéme, p. 50, t. 3, f.14-18; Mono. Geinitz, . 
Grauw. Grapto. p. 41, t. 3, f.14-18; Grapto. Hark. Q. J. 
Geol. Soe. vol. vii, p. 60, t.1, f.6. G. lobiferus, M‘Coy, 
Brit. Pal. Foss. p. 4, t.1 B, f..3. Diplo. nodosus, Hark. 
Q. J. Geol. Soc. vol. vii, p. 63, t.1, f. 10. . 
— Bohemicus ...... EB OI tess act celllese | Seales lees fet [a [sod lage ..-| P]...| x [...]..-]---]...] Grapto. de Bohéme, t.1, f.15-18; ib. Nich. Q. J. Geol. Soc. 
vol. xxiv, p. 539, t. 20, f. 22-24. | 
— bryonoides ...... SECU ewe eens 54 Ipaol hoo [ded G06 Sc4||o0el|bo4 face seslecefessfees|eee[eee[eee[e-.| Pade Tetragraptus. . 
— clingani ......... Comiarusjouenes 6 Bedi seq) (500 eed (oad | |ASl|Bed leon dea lee|fasel ere eee eed lee |fas|| Geol, Mabe voluvenp.l27aue iss uheQ. | 
— colonus opalle load (oo vealemalieet |e sea] ax [eos] ae [vee|eee]es-]ee] Nich. Q. J. Geol. Soc. vol. xxiv, p. 540, t. 20, £. 9-11. 
— Conybeari ...... UR Grilseeeneeen ae 560 (boc) fo0d|losd jos $oqj (God) dod fans vee|loxe]ene|een|iacslsca|fven|(sanli ede Gr Elisingeri. 
— convolutus ...... Wage. Sevier Boo Isas| loc feed (cog Pale (ee ee sec[ece|oasfeee]eee{ooe]ees(eeo] Prtonotus, Leth. Suec. p.114, t. 35, £..7. Grap. spiralis, 
Geinitz, Leonh. and Bronn’s Jahrb. fiir Min. 1842, t. 10, 
f. 24, 28,29. Grap. Sedgwickii, M‘Coy (non Portl.), Brit. 
Pal. Foss. p. 6, t.1 B, f. 2. Monog. Geinitz, p. 43, t. 4, 
f. 24, 26, 28, 30, 35. Grapto. convolutus, Carr. Geol. Mag. 
vol. v, p-127, t. 5, f.1. Rastrites, Salt. Cat. Camb. and 
Sil. Foss. Camb. Mus. p. 27. 
— discretus......... Vich.: wawscestes? Baal food aaa land [bce Bees | fase eee vea| Pillesellere|neelee| teal eeel i@sde Geolesocsrvol,xcsavsp.)530,it.12Oy Geran neabs 
— distans............ RODE i cosas Sarece|'=ss| See (ene | ee | See eel tese seed ene line Vide G. Sedgwickii. 
= CXLIG“UUS — ,..02000 Nich. Fea | lanl eel eacd ect re [toa feed seta nel ese ens||s4l eee seri sesleee| Meee Galobiterus, 
— fimbriatus ...... Nie Al ead pd Beal flood [aod vooeP [loud eoe|es|ecelecslecel| (Qe d- Geol. Soc, vol. xxiv, p..530, t. 20, £..39—5- 
— Flemingii ...... Salt. pile las Br el Ho Ges Halse! |ieeel|-e|cacliaalleccleealInQewl) Geolessocssvol. val, p2)390,,tqaleuea 576 
— gracilis ......... JRC Cppiaeec Gee Go| |sa9) face hoor loos Bol feo0||oec| [08 secloue[ees[ece|aeefeee[eee]eee]| Vede Helicograptus. 
— Griestonensis,.. Wicol. ............ Seellecalleeal cosflove sacl seed eee | ees eet cate law's | as |lowall ewe| oral ae Q. J. Geol. Soe. vol. vi, p. 63. ? Grapto. priodon, Barr. 
WOES Rasen oe ACU rasevevas+seel| ses) ves|(o4| cael -s+| ccal setlene| eee lees vsalcealieee Vide Cyrtograptus. 
— Halilii .,.......... or. ston | eealllopatlec a '34 « :|ieceflaeflore Bod ae ase eee ...[...{ee.]...| Grapto. de Bohéme, p. 48, t. 2, £.12, 13. 
