PALALOZOIC. JR IAG EL (0) 12) ID) AN CAMBRIAN AND SILURIAN, 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
| |& Ae aeeMaeee 
zl lel.| | FS erigig 
SPECIES. slelelel (2iclalal aiesis ial shall « REFERENCES. 
2/2 lal S) lS) SiAis|3| 818i) 3] xls] = 
|S) S7S(ElSlelPlelaralelslglele 
B\E\S/212 | 8/52 lal e|2l2|3| Bi als| 2 
TIS IRISISIBIS IBID IE IE IE Alaib iaie 
ERDOTRUTUS ieee rece cnsociissseccnacassees coal wal eof [eee del es|ecd] ese ses[ecefece|eee{eee|eee]eee] eee] 7@@e Rhynchonella, 
Kutorgina ......... Billings, 1861.. 
— cingulata ...... Bills, Waser seal eoall aN cof bers Peal eet cl lee c veslecs[ove[ece]ecafeee[eee{ee] Geol. Surv. Canada, Pal. Foss. vol.i, p.8, £.8-10. Obolella 
Phillipsii, Hall, Q. J. Geol. Soc. vol. xxi, p.102, wood- 
cut Io, p.tor. O. (Kutorgina), Dav. Mono. Brit. Sil. 
Brach. Pal. Soc. p. 62, t. 6, f.17-19. Kutorgina, Dav. 
Geol. Mag. vol. v, p. 312, t.16, f.10; ib. Mono. Sil. Brach, 
Pal. Soe. p. 342, t. 50, f. 25. Obolella Phillipsii, Phill. 
STROPHOMENID®. Geol, of Oxford, &e. diag. 17, f.12, p. 68. 
Lepteena ............ Dalmann, 1827 
Leptagonia M*Coy (pars), 1844 
Plectambonites . Pander, 1830... 
Gonambonites.. Pander, 1830... 
Orthis, Synop. Sil. Foss. Ivel. p. 28, t. 3, f. 9. 
— calearata......... MISC Ou) rredenr ah Bno|lo50| lod lose (eae Ee Pus] |(2] (eee! |ooe) aoa [eee Hae] loos! {nee lose! [nos 
— depressa......... PD aitinned serie scl Sol sel tee) ace SEER [te ef seclace{ece{eee{aee|eec{ees{oee| V2de Strophomena rhomboidalis. 
— duplicata ...... IS O20 Seah oA oll eel tet oe cll ese (toema lier [eal lsat ae alte Vide L. transversalis. 
— Fletcheri Dav. Vide Strophomena Fletcheri. 
Vide Chonetes minima. 
— Grayii TBEBS coscepsegoea| |ooe||09)|a0| and acl |ooo) 286|\pbal beac 
= 1A... .sececceens VOU Bech reser) ss4|ca|eas ees] seal ioe eatl| vs | ces Vide Chonetes striatella. 
— levigata......... SOLE) sosbactacsoae =64|{See! (bee) lac loos 0 BBA Bee) ace vac[eee[ees[ore|eee]eee{eee]oee| V2@e Chonetes leevigata. 
Vide Chonetes lepisma. 
SSG TESTING: encores SED (copceaaneod| 0d |050| ool lbael bel Hoel |soal fase! Goel 
— levissima ...... DUE Cou eee Hea (oe orl eee ee seal eedlean lees seclevefeve|ece[ouefeee[eee]oee| Sule Foss, Ivel. t. 3, f. 7, p. 27. ? Lept. levigata, Sow. 
— Lewisii ......... 2 DTN anatase Peri ce ea see) (es Srl eel See es weclecfeee{ece{oeefeee[ee.]2e] V2de Strophomena antiquata. 
— minima ......... OR” Sanponeducee poles eval eael ccs ealecs lors) eee sasfer[oe [ece[eeefeeeeafeee| ede Chonetes minima. 
SS UL OIE? Gee ILE. “eronceasoeta leer lecaltoc leet Iseellooct meelieeel Gesellee bea|(coe| ee] encllecelecelaea|) Ve@eleLrmplesias 
— Orbignyi......... DG ses cece eeea: Palas eal ca bes pen eee) (cee (ood vel ex fece[ece{eee[eeefee| Oréhes, Bull. Soc. Géol. de France, vol. v, t. 3, f.17. 
— Ouralensis....., OPW re tcccseeees Bo toss eas) EPR ae ceil caaflse| eras sec[ecefece[ece|ooe[eee{eee]-..| V2@e Strophomena. 
— quinqnecostata.. M<Coy ......... seallsod|eoe[ eon oeel ise aN SENG loslleecl cee ceclhac|ees|cec!eee|| UBEite Walle Hoss. tan HD of 30-320 5 Ondizss IM Coy.ssymop: 
Sil. Foss. Irel. t.3, £.8. Lept. Siluria, 4 ed. p. 194, 
Foss. 37, f. 3; ib. Dav. Mono, Brit. Sil. Brach. Pal. Soc. 
p. 322, t. 48, f. 23-27. 
Siluria, 4 ed. p. 210; ib. Dav. Mono. Sil. Brach. Pal. Soe. 
p- 325, t. 47, £. 21-25. 
— segmentum....., Angelin, MS. ...\:..|..0l..-|-.c1e-- ed ae in| (a wes| xe fece[ece[ees}eee{ee-]..| Mus. Paleeont. Suec. 1838; ib. Lindst. Gotland’s Brachiopoder, 
Pp. 374, 1860; ib. Dav. Mono. Sil. Brach. Pal. Soe. p. 321, 
t. 48, f. 28-30. 
— sericea...........4 Weer ae ee See focal (oeel ee (eee Ve Vo Me leccl a leccleee]eccleeclece|eae|| Sule Syst. p636, t-ro, £1, 21; Siluria, p. 194, Foss. 36, 1-65 
t. 5, £.14; t.9, £.18: ib. M‘Coy, Brit. Pal. Foss. p. 237-8. 
Orthis, Portl. Geol. Rept. p. 450, t. 32, £.23, 24; var.a, 
rhombica, M‘Coy, Brit. Pal. Foss. p.239; var.8,Spinangula, 
ib. and Mem. Geol. Soc. vol. ii, pt. 1, p. 239, 286. Lep. 
sericea, Hall, Pal. New York, vol. i, p.110, 287, t. 31 B, 
f. 2a-h, and p. 278, t. 79, f. 3; vol. ii, p. 59, t. 21, f.1;5 
ib. Billings, Geol. Canada, p.163, f.139; ib. Dav. Mono. 
Sil. Brach. Pal. Soe. p. 323, t. 48, f. 10-19; ib, Nichol. 
Rept. Pal. Ontario, 1874, p. 16. : 
Brit. Pal. Foss. p. 239; ib. Day. Mono. Brit. Sil. Brach. Pal. 
Soc. p. 325, t. 48, f. 20-22. 
Orthis, Sil. Foss. Irel. p. 35, t. 3, £. 19. 
— tenuicincta...... DME COY eas cts allel ae lle | Pal el byl lose lose Mellel eee lee ...|...{ Brit. Pal. Foss. p. 239, t1 H, f. 40. Producta, Synop. Sil. 
Foss. Irel. p. 25, t. 3, £4. Lept. Siluria, 4 ed. p. 194, 
Foss. 37, f. 4; ib. Day. Mono. Brit. Sil. Brach. Pal. Soc. 
p: 326, t. 42, f. 7-18. 
— Var. rhombica ? M*Coy ......,.. Be eel ad eal ec ree | 3) bal be ealeea|cea| exe ens| exe esas 
— sub-levis......... HUE COU an yec cool Sue nod kind (aac Perl alloac| joc Gop saslhoal| aeelecaal seal teealiens 
