PALZOZOIC. 
— lanceolatus ...... SIH aro icasanccal \eb<l|ood) |e lead boc 
— linearis ......... Ale. vec cccecn|eeef eee] oes] a0efee= [eee [ose 
— megalops......... SYGH neanapcsenca| (onal joas) lone eed eee bas 
——* ODOSUB 2. ceeess-< EP OGIRD satan ses [eis fare fees se | a [ee 
— punctatus ...... ISIN, | okeeesosroad| [cc foon) ce] lead sce 
| 
— pygmeus ...... MARS -Gescassesess| (cas lan|foaq| [Sed [550] lea 500 
— scorpioides ...... ELS WE OOGRD eaieeets || ss-e| Wee | see tae 
PROETID®. 
Forbesia ........005. M*‘Coy, 1862... 
| — latifrons......... TOO so s65¢930| 0001004 [000 fad [ood len 
— Stokesii ......... TW TTR | Se fecisace\ con) }oae| (nb Ira {sol lena [eae 
HARPEDID®. 
HTATVDOS. «2. .ccccseedss 
SSOLANNL gensenscc ONE ce ericuecacu||eoe |e] [ees| coe | ses °: 
See LAM AP ANT pacer LOT hy ececesaee se lars |sen\ees lec oes] -ae x 
Ve MEG ALONS 2.5.0... ECOY 5.e. sass) ss-\ce0| sf ent]nes| eos) 3 
Hie POCRU LOB ecccomeret lic COU j anes cueee|| (sr lser | ene eee] eee ieee x 
PROETID®. 
Harpidella ......... ME Coy, 1849 ...\\-5:|\s++]-2+|.<-2<-] 0 
EURYPTERID®. 
Hemiaspis ......... H. Woodw.1865 
— horridus ......... H. Woodw....... 504 lose 208 acd! Ines! least tase 
— limnuloides ....., TSE gat heared ee) (200| 50 |aed ed eoal| eee 
——HSPCLacUS sca tence. Phe Si cntecesera S85 (son Joon) lore eal ec loo 
SI BLWEYil" << sesee> Sd here ripcicc| sen eee eed ised Gee noel [Bod] eee 
CAMBRIAN. LOWER SIL. 
oye oe 
SPECIES, 
Har. St. David’s. 
Menevian. 
Pa 
&p 
= 
i] 3 3 
ll |EE 
[3 |ro | wis 
Bs [lS 
ee ayels 
Ty PS 
Ble|4aiR 
Caradoc or Bala. 
CRUSTACEA. 
UPPER SILURIAN. 
CAMBRIAN 
Low. Llandovery. 
Woolhope Lmst. 
Up. Llandovery. 
Wenlock Shale. 
Wenlock Lmst. 
Lower Ludlow. 
Aymestry Linst. 
Pass up. 
REFERENCES. 
Eurypterus (continued). 
... Salt. 
Himantopterus ... Salter, 1855... 
— tuberculatus 
— acuminatus...... [Sale 
— Banksii ......... SGLE rece ee 
— bilobus.........,.. Salis pccecsees 
o 
ae y 
6/8 
ails 
so 1A 
Als 
ae 
2) 
ais 
Pla 
* 
* | * 
* 
le 
* | * 
* 
2 
* 
Mem. Geol. Surv. Dec. X, t.1, f.17; Hibb. Trans. Roy. Soe. 
Edinb. vol. xiii, t.12, f.1-5. Eidothea, Scouler, Cheek’s 
Edinb. Jour. vol. iii, t. 10; H. Woodw. Geol. Mag. 1864, 
p.107,t.5, f. 7-9. Himantopterus, Salt. Q. J. Geol. Soc. 
vol. xii, p. 32, woodeut 5, p. 28. Eurypterus, H. Woodw. 
Mono. Foss. Crust. Pal. Soc, 1872, p. 140, t. 28, f. 1-3. 
Q. J. Geol. Soe. vol. xv, p. 234, t. 10, f.15,16; ib. H. Woodw. 
Mono. Brit. Foss. Crust. Pal. Soe. 1872, p. 147, t. 28, f. r0- 
12. 
Vide Stylonurus. 
Q. J. Geol. Soe. vol. xxiv, p. 292, t. 10, f. 1; ib, Mono. Foss. 
Crust. Pal. Soc. 1872, p. 160, t. 30, f. 8. 
Pterygotus, Mem. Geol. Surv. Mono. I, 1859, p. 99, t. 10, 
11, f. 5-9, 12-15, t.13, f.5, 6,9, 10,11, 14; H. Woodw. 
Q. J. Geol. Soc. vol. xxiv, p. 290; ib. Mono. Foss. Crust. 
Pal; Soc: 1872; p: 153; t..20, £..2. 
Siluria, 4 ed. p. 239, Foss.67, f.1; Q. J. Geol. Soe. vol. xii, 
P2993 10.25) bo shibsvolecxvs) P1232. talOvetady 5. 
20902 
Q. J. Geol. Soc. vol. xxiv, p. 292, t. 9, 10, f.2; ib. Mono. 
Brit. Foss. Crust. Pal. Soc. 1872, p. 152, t. 29, f£.1, t. 30, 
£9; 
. 
ide Proetus latifrons. 
Vide Proetus Stokesii. 
Geol. Rept. p. 267, t. 5, f. 4. 
Geol. Rept. p. 268, t. 5, f. 5-7. 
Vide Cyphaspis. 
Brit. Pal. Foss. t.1 L, f. 3. 
Vide Cyphaspis. 
Geol. Mag. vol. ix, p. 437, t. 10, f.6, woodeut; ib. Mono. 
Brit. Crust. Pal. Soe. p. 179, t. 30, f. 6. 
Q. J. Geol. Soc. 1865, vol. xxi, p. 490, t. 14, f.7 a-c; ib. 
vol. xxiii, t. 2, f. 3; ib. Geol. Mag. vol. ix, p. 433, t. Io, 
f. 1, 2, woodeut, p. 4353 ib. Mono. Brit. Foss. Crust. Pal. 
Soc. p.174, t. 30, f.1, 2, woodcut, p. 177. 
H. Woodw. Geol. Mag. vol. ix, p. 436, t. 10, f. 5-7, p. 437; 
f. 5; ib. Mono. Brit. Crust. Pal. Soc. p.178, t. 30, f. 5-7. 
Lourys, Chart. Foss. Crust.; ib. Woodw. Notes on Pal. Crust. 
Geol. Mag. vol. ix, p. 438, f.7, t.10, f. 4; ib. Mono. Brit. 
Crust. Pal. Soc. p.179, t. 30, f. 4. 
Vide Slimonia. 
Vide Pterygotus. 
Vide Pterygotus. 
53 
AND SILURIAN. 
