PALHOZOIC, 
CAMBRIAN. LOWER SIL. 
——— SS eta _ 
a OS es : 3 
S : SER a] slas}e le] | & 
re ra S/SPS/SISIZIEISIEla 
qs & ale] 2/ als 6/8 61a 
Alaele| lelsle leh 
SPECIES. slZlels! (slolSlslas lela lBlalels REFERENCES. 
Ale sls [eS /S (Als |s/8/Slelelelsls 
e/a) 8) 87a slsle/TISlelelEle|siele 
BOS STS SIS / SIAC lO (Oli S| alsl2 
RISSISRIS ISIS FEI Siac al 
Pterygotus (continued). 
— perornatus ...... RES her ney nce coal fod lead [see sodllesel sacl nas am *|- Himantopterus, Q. J. Geol. Soc. vol. xii, p. 31, f.6. Ptery- 
gotus, Mem. Geol. Surv. Mono. I, p. 45, t.1, f. 13-15 
(var. 16); t.15, f.2, var.of P.bilobus. H.Woodw. Mono. 
Brit. Foss. Crust. (Merostomata), Pal. Soc, p. 63, t. 11, 
fas ntalg—lne 
— problematicus,,, Ag. .........06 BEA O53) [dod lop food aq cal laas acd bse PT eed x * Sil. Syst. p. 606, t. 4, f.5,6; ib. Strick. and Salt. Oise 
Geol. Soe. vol. viii, t. 21, f. 1, 2; Siluria, 4 ed. t. 19, f. 4-6. 
(Sphagodus pristodontus, Ag. tooth, Sil. Syst. t. 4, f. 6). 
Pterygotus problematicus, Strickland and Salter, Q. J. 
Geol. Soc. vol. viii, t. 21, f.1, 2, p. 386; ib. Mem. Geol, 
Surv. Mono. I, p.89, t.12, £..7-16, 20, 21, t.14, f. 16-18; 
ib. H. Woodw, Mono. Foss. Crust. Pal. Soc. p. 85-88, f. 20. 
— punetatus ...... RSLS | Booeadeeoons| oad [nod adel G4) al Be6| koe tel esol leae Vide Eurypterus. 
— raniceps ......... EDV COCA se cec eines |[ree lesa] crcesen|cnchcactkrel tcl deal sow * Q. J. Geol. Soc. vol. xxiv, p. 294, t. 9, f. 3; ib. Mono. Brit. 
Pp Pp: 29. 9, 1-3 
Foss. Crust. Pal. Soe. p. 72, t. 16, f. 1. 
— stylops ......... ISXCL Ga sseecodsea [odo] [ob9| aod [ene [aoe] [Scial fase] [ood (345) [oral fatal lead fod) roa lode iy Mem. Geol. Surv. Mono. I, p. 54, t.12, f. 47; ib. H. Woodw. 
Mono. Foss. Crust. Pal. Soc. p. gt, f. 24. 
— taurinus ......... (Ea sceecanddoo dg (soa [ped (Gan feed acs) ea4) loon] Inee) [No Iba Rept. Brit. Assoc. Norwich, 1868, Trans. Sect. p. 78; ib. 
H. Woodw. Mono. Foss. Crust. Pal. Soc. p. 76, woodeut, 
f.14, p. 75. 
OLENIDE. 
Remopleurides ... Portl. 1843...... 
Brachypleura.. Angelin ......... 
Amphitryon ... Corda, 1847 ... 
—— COLD sepewssessess POvtUscave.ccssess Se 30a) ead [esd bred lance"! feel Inge Bel ioe bbol Ieee Geol. Rept. p. 256, t.1, f.1; ib, Salt. Mem, Geol. Surv. 
Dec evil ts. Ssets me 
— dorso-spinifer... Portl............. Bap ese) lass! (od leq) deel he"? |lbod al cod) aad lene herd Ieee bod leo! ieee Geol. Rept. p. 256, t.1, £. 3; ib. Salt. Mono. Dec. VII, t.8, 
: f. 3,4; ib. Siluria, 4ed. p. 206, Foss, 48, f. 5. 
= BIBLEi-SpInirer sa) LOVELscceceasesa| een aaaless|e-sfees|ees|(¥ eee ves| ies Geol. Rept. p. 256, t.1, f.2; ib. Salt. Mem. Geol. Surv. 
Dec. VII, t. 8, f. 2. 
— longi-captiatus Portl,......c.se00| +++) «=| o2-]-+-[o-=] eo] ooo] oesPore] ove] eve] eee Vide R. longi-costatus. 
= 1ONST=COSbatUS:... LO7Els.-osanenees| sss] s¢+l/sae] enn] <<] eee aes] eeu | fee]ie=el eo. Geol, Rept. p. 257, t.1, f.6; ib. Salt. Mem. Geol. Surv. 
Dec. VII, sect. 8, p.9. &. longi-capitatus, Portl. ib. p.257, 
PBady sey 
SSO GATES paaggsccg is za. epdeaddanens| [Seal jead| [sel [ocd sel fecal [bad loa loon keto! onal [one Mem. Geol, Sury. Dee. VII, sect. 8, p. 9. 
— platyceps 
— radians 
TRINUCLEIDE, 
Salteria ......... W. Thomson, 1864 
— involuta ......... PROM vos scveces 
— primeva......... YY Fi SOT 
- EURYPTERIDE. 
Slimonia..........., Page, 1856...... 
— acuminata ....., Salt. 
— punctata.....s.. 
CRUSTACEA. 
UPPER SILURIAN. 
CAMBRIAN AND SILURIAN, 
Synop. Sil. Foss. Irel. p. 44, t. 4, f. 2. 
Remo, (Caphyra), Sil. Syst. Bohéme, p. 359, t. 43, f. 33-30. 
Amphitryon Murchisoni, Corda, Prodr. Bohm. t. 4, f. 58. 
Remo. (Caphyra), Salt. Mem. Geol. Surv. Dee. VII, 
sect, 8, p. 9. 
Mem. Geol. Surv. Dec. XI, t. 6, p. 4. 
Mem. Geol. Surv. Dec. XI, t. 6, f.1, 2. 
Himantopterus, Q. J, Geol, Soc. vol. xii, p. 29, f. 4. H.maai- 
mus, ib. p. 28, £.3. Pterygotus, Mem. Geol. Surv. Mono. I, 
p. 57, t. 2,12, f.1-4; t.15, f.1. Slim. Siluria, 4 ed. 
p. 162, Foss, 26, f. 6. Slimonia, H. Woodw. Mono. Foss. 
Crust, Pal, Soc, p. 105-120, t. 17-20, woodeuts, f, 30- 
38. 
Vide Eurypterus, 
67 
