PALAOZOIC. 
| CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
SaaS aS SSS 
| oi 2A) Wr eA fo | ele 
S| |g (2/3 |a\s/ ale 
| Ae Al elelalels 
| SPECIES. Algls] [S/S az |ele (a5 
2/e\sl sles S/R is|S18ls 
HISISIS|4 IA lSlsISiFlEIEIA 
Olenus (continued). 
— caractacit ...... SALES ose cnees| ae sme Ei | aocdewalcs|acelcesf cantwco) sant eaallenel eacleerl ancl see 
— cataractes ...... ISGlbs: obeccenenes =| Reed Boal jacd eealtsel eos 
— flagellifer...... ARGENT. cosene| eral ss 1VE3)| Goo] oe feo load] bos! Sool Feel oak Ince 
— gibbosus ..,...... Gh dente Fal led) Igpol oral local ope) Goel sal intel Ines) lors 
| — humilis ......... TAP ce symcebee sl lecel (ooc| [ase face eee eel fooal love 
LTT AT meniactegaites SGBUGswesviensieeseem|(o<s|005 1141 |on0| (ood) food) sed fac 
— micrurus,,....... ISQLES Feewocskcovnes (tes eee al lace saat lone) letel ood (coat acl aaa 
| — obesus.......0..- Salicgedtescnteal tenes =H leet loo Bp 9H (aoe 
| i =| [ood lapel leod [bol bac lane 
Fal ced [del loo load) jaded de io8al bec 
| 
| — scarabeoides ... Wahl............. 2 i Nea| sku] ain Ae wee cde) seed oon well wate 
i] 
| 
i 
| 
{ 
| 
| — serratus ......... Saltsn creesessacce|lesl sss 1 884) (bor [son joo der] (eae 
| — spinulosus ...... WEG eee # [eee]. 
— subarmatus,..... WSGlben covesouceres (sec) sos P31 Weal (eel aed Wdoet Ieee! (eee een esd 
CALYMENIDE. 
Otarton. seen Zenker, 1833... 
SS QUE ONES COA DTORD OES CERES COED |e Cea] 0a [eed lead aod eal crt [acol bedl [ea lose ioe 
? CONOCEPHALID®. 
Paleopyge ......... Salter, 1855 ... 
— Ramsayi......... ISGLED te a seenctaen | \66| Barl [ood |o0) ls6a| [bec taa4 Koa! jn09) oad) loa 
ASAPHIDE. 
Volbroth, 18637\bs.\ce-|acelescfisee| eae) ece|esefiese|=-a| <s-|ne- 
Fleming 
9 OG Le hegeep ccd oc abe |ood [a5] [Beet lapel ne) eed Bad 
SGLL6F TSAO eee irae den ene leat [eel el leas| ces | 3a [es olleoe| eo| Seal leee|ene| eelers 
CRUSTACEA. 
| Aymestry Lmst. 
| Wpper Ludlow. 
| Tilest. & Passage. 
Pass up. 
CAMBRIAN AND SILURIAN 
REFERENCES. 
Mem. Geol. Sury. Geol. N. Wales, vol. iii, p. 42 (name only). 
Mem. Geol. Surv, vol. iii, t. 5, f. 23, p. 300; ib. Dec. XI, 
Ups Bia ye 
Spheropthalmus, Pal. Suecica, t. 26, f. 7; ib. Mem. Geol. 
Surv. vol. iii, p. 301, t. 5, f. 8,9; ib. Dec. XI, t. 8, 
£.7,8. Spherop. bisulcatus ? Phill. 
Entomostracites, Upsal, vol. viii, p. 39, t.1, f. 4; ib. Dalm. 
and Burm. Trilob. p. 81, t.3, £.9; Belt. Geol. Mag. vol. iv, 
p. 295, t.12, f. 5. 
Mem. Geol. Surv. vol. ii, pt. 1, p. 55, f. 4-6 and p. 347; 
ib. Mem. Geol. Surv. Dec. XI, t. 8, f. 9-11; ib. vol. iii, 
p- 302, t. 5, f.12. (Spheropthalmus), ib. Siluria, 4 ed. 
p- 45, Foss. 7, f.1; ib. Baily, Char. Foss. t. 4, f. 6. 
Olenus, Phill. Geol. Oxford, &e. p. 68, Diag. 17, f. 8. 
Mem. Geol. Surv. vol. iii, p. 302, t. 8, f. 4. 
Mem. Geol. Surv. Dec. II, t.9; ib. vol. ili, p. 300, t. 2, 
f. 5,6; ib. Siluria, 2 ed. p. 45, Foss. 4, f.2; ib. 4 ed. 
Foss. 5, f. 2, and 45, f. 2; ib. Baily, Char. Foss. t. 4, f. 4. 
Var. of O. scarabeoides, (Vide.) 
Geol. of Oxford, &e. p. 68, Diag. 17, f. 4. 
Spheropthalmus, Mem. Geol. Surv. Dec. XI, t. 8, f. 12, 13; 
Q. J. Geol. Soe. vol. xxi, woodcut, p. 481, f. 4,5. Spharop. 
bisuleatus, Phill. ? Olenus (Spherop.) bisulcatus, Phill. 
Spherop. Phill, Geol. of Oxford, &e. p. 68, Diag. 17, f. 3. 
Entomostracites, Nova Act. Soc. Upsal, vol. iii, t. 1, f. 2. 
Olenus, Dalman. Paleade, p. 257. Paradox, Brong. Crust. 
p. 34, t.3, f.5. Peltwra, M.Edw. Crustaces. Pelt. scarab. 
Angelin, Palewont. Suecica, t. 25, f. 8 (mala). O. spinu- 
losus? Phill. Mem. Geol. Surv. vol. ii, pt.1, p. 55, 2393 
ib. vol. iii, p. 301, t. 5, f. 2-5; ib. Siluria, 4 ed. p. 45, 
Foss. 7, f. 3; ib. Dec. XI, t. 8, f. 1-3. Var. Obesus, Salt. 
ib. t. 8, f. 4. Olenus, Phill, Geol. of Oxford, &e. p. 68, 
Diag. 17, f. 6. 
Parabolina, Mem, Geol, Sury. Dee. XI, t.8, f.5; ib. vol. iii, 
Pa 3Ols ta 5.0te Ose 
(Parabolina), Angelin, Pal. Suec. t. 25, f. 9. 
Doubtful species. 
Vide Calymene. 
Q. J. Geol. Soe. vol. xii, p. 249, t. 4, £.3; Siluria, 4 ed. 
Foss. p. 28, f. 2. (Pygidium.) 
Sub-genus of Ilanus, 
Probably ova or oya-saes of Pterygoti. 
Vide Olenus. 
61 
