CORY 1G) SO OM IBN CAMBRIAN AND SILURIAN. 
PALAHOZOIC. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
=| |. S/S) 2ls/elelelel® 
WS 9) mM|212)s)sls]o] 8196/2 
Alaleis! |-lsislsiclarisrigie 
SPECIES. elas! |Slolelelsisisialeiglal. REFERENCES. 
wale |sle] 8) SiAls|s/8]sle)/Blels| = 
| 8) &| & B/E le (als lele| ele aisle 
S1S/S/2/2/3/8) os] a)ch2el© Al | 3 
MISISIRISIAISSISIE EIFS aisle le 
| ABglina (continued). 
— binodosa......... SAE. ....seeceses oce||5¢ bce] [aed | 3) |gocl eect local loos secfesefece{ece[ere{eee]eee]-o] Siluria, 4 ed. p. 48, Foss. 9, f.6; Mem. Geol. Surv. Dec. XI, 
p- 4, t. 4, f.1-6; ib. vol. iii (Geol. N. Wales), p. 317, 
teat); £35 
DOs eee 02 Yd ee nonrs opel tone) asa load] hood 1E|losel laa Inod ee Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 23; ib. 
Q. J. Geol. Soc. vol. xxxi, p.185, t. 10, f. 9. 
— caliginosa ...... SANE. oc ccnscccea|see|eee]oor|oee] K | evefece|ancpece Mem. Geol. Surv. vol. iii (Geol. N, Wales), p. 318, t.11 A, 
f. Io, 
— grandis ......... SAU nec sain cecs crac | ee [nae Boel fod loc} kerio sesfevelees[eee]eee[eeefoee] ee] Siluria, 4 ed. p. 51, Foss. 10, f.6; ib. Mem. Geol. Surv. 
Dec. VII, t.10, £. 8, and Dec. XI, t.9, £..7,8; ib. vol. iii 
(Geol. N. Wales), p. 317, t. 12, f. 11. 
— major ............ ALES aaarencecisee oes ooe) feanl 504 | 151 load loc fend Mem. Geol. Surv. Dec. VII, pt. 10, t.10, p. 4, f. 9. 
— mirabilis ...,..... EHO n bes! cess taped | eee|(ees| (coa| eae | =e ltoel [seine fees Salt. Dec. VII, t.10, f.1-7; ib, Siluria, 4ed. p.174, Foss.29, 
£3? 
— obtusicandata... Hicks ............ S6| ee foc fed) [| Se8| local feed loon bee|cocliese|[eee]avellevs|(conl leva) (Qawin@reol.) SOC; VOl xxxt,. ps 185, iLO. fas: 
He Spsieyelof ie, Salta cscs: see | eee | seeliose [eee nod) fos food loos sesfeee[ece{eeefere]ere]-ee]2-| Mem. Geol. Surv. vol. iii (Geol. N. Wales), p. 317, t. 12, 
f.12; ib. Dec. XI, t.4, £.6. 
CYTHERID®. 
4fchmina......... Jones & Holl,1869 
— clavulus ......... Jones § Holl,,,|...|...|...)e.efee- eaeleo| See fines sesfoes] x feeefeeefece{oee]oe.] Amm. Mag. Nat, Hist. 4 ser. vol. iii, p. 218, £. 3, wood- 
cut. 
— cuspidata ...... Jones § Holl,..|...|...]...|>+-]--- eacllane asa acs sec[ees] a foce|eeeleefeee]...] Alm. Mag. Nat. Hist. 4 ser. vol. iti, p. 218, t.14, f. 8, and 
7 woodcut f. 2; Monthly Micro, Jour. 1870, p. 185, t. 61, 
AGNOSTIDE. f. 6. 
Agnostus............ Brong. 1822 ... 
BOGUS. .ccc.ceces Dalm. 1826 ... 
Trinodus........4 SVS COU mmr cemeaees 
Arthorachus ... Hawle § Corda, 
DOH 7itesescsse 
—— Barlowillsss.ceecs Belt voc eractes ie 31 Fase a4) fags) faba [oop Geol. Mag. vol. v, p. 11, t. 2, f. 17,18. 
— Barrandii ...... INES eceaerusoonn Pella eee! Beelteel inne) londl aoe Brit. Assoc. Rept. 1865, p. 285; ib. Hicks, Q. J. Geol. Soc. 
vol. xxviii, p. 176, t. 5, f. 5, 6. 
— Cambrensis...... AC Re ee 3) | s| eels soe ]inee|ee ol 'ecalf sare Q. J. Geol. Soc. vol. xxvii, p. 400, t. 165 f. 11, 12. 
— Dayidis ......... ISLE ernneecancae van 3K | 3k nee ew reel Lealeer lise selace[eos]eee]eee{eeefece]ee-| Brit. Assoc. Rept. 1865, p. 285; ib. Hicks, Q. J. Geol. Soc. 
vol. xxviii, p.174, t.5, f. 2-4. 
— Eskriggei ...... SHACK Siac ssces see cod hs lane hac [aee bed lace ace bbe sa|(oee| see) ess] cbellsee|eee|ase| ues Sei eOls WOCy VOluxKvVAll PHiysy Ussher. 
— hirundo ......... ISTHE epanceeodoen <0 [bod] |o6a! [eac) | |Tone aoal looad Looe ve[see| ses] ees| ese] ee] +e-]-. Doubtful species. 
— limbatus......... SLB racoecten Te ap ns [eS lod bas sealfrestase| ace vesfeccfecefece}eee[eee[eee{-e-| Mem. Geol. Surv. Dec. XI, p.7. A. tvinodus (part), ib. vol. ii, 
pt.1, t.8, f. 11, non.12,13; ib, vol. iii, p. 298. 
— §p. allied to limbatus,.. Salt. ...}...}...}...}..0] % |os-|eee{eeefoee Mem. Geol. Surv. vol. iii (Geol. N. Wales), p. 299, t. 11 A, 
£75) ib}-Dec: Duly ‘tha, & 02: 
— MCoyi ......... IQUE. eocences ewes fev) ces] coe |ece| sss] xe)| oe love ses Mem. Geol. Surv. Dec. XI, p.5, t. 1, £.6,7. A. pisiformis ? 
Murch. Sil. Syst. p. 664, t. 25, £.6. Diplorhina tripli- 
cata, M‘Coy, Brit. Pal. Foss. t.1 E, f. 11, Agnostus, 
Siluria, 4ed. p.51, Foss. 11, f.5, t.3, £.7,8. Agnostus, 
ie Mem. Geol. Surv. vol. iii, p. 297, t. 13, £8; ib. Baily, 
Char. Foss. t. 7, f. 1. 
MMT VENSIS! | avaciesccsssesssseetoet Peay leod (Saal oar ere oad bak Doubtful species. 
— Morei............ PLLA neeac poset (ae aoe kedd| fore] |< aac) lose kept ae Mem. Geol. Surv. Dec. XI, p. 7, t. 1, f. 13; ib. Q. J. Geol. 
Soc, vol. xxii, p. 487, woodcuts a, b, p. 486, 
— nodosus ......... Belé® i vcore Foe! Face) tone) sce oan) be Geol. Mag. vol. iv, p. 295, t.12, f.3. ? A. reticulatus, 
Angel. Pal, Suev. 
— obtusus ...,.... RYDE Lt nnee ee es| cea el eee Les Bae Ieea! odd ood nes|eoe|(eee|Geeleac|aes|(eee|ees|/ Cela Mar avolyavsup iO. (b.25)t405, 10. 
