PALAOZOIC. CRUSTACEA. CAMBRIAN AND SILURIAN. 
| CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
s SSSI aT a ; 
qe oe Alel?|8/s| 8/6) 8\ s/s 
| s| .|8 SleiFrigiSisiwldia 
| Z Ala im| 3 5|5/EIe| 2/7 Blip) 3 |A4 Berea & 
SPECIES. 3 /SlalS} .jmlolSla|SSISiIAlsiAlsl|.e REFERENCES. | 
| 2a elsfS[sisialsisleis/siaisl= | 
ele|SlSfelelslel lSlelelelslalsle | 
15/2/2218 15/5) ayo) 2)2] Ss) sais] 3 | 
HISIRISIS IRIS IAP IEIE IE IA lS 18 | | 
| | 
Conocoryphe (continued). | 
— longispina TEA eee 8 nage |3a| ocd |. lose) bee sesfeee[ecefees]onefeee|ees{ese]oes[eee]eee{eee! Geol. Mag. vol. v, p.9, t. 2, £.12-14. | 
re ; | 
| — Lyellii....... vs Hicks... # fooefore[eeefees see foeelenefars vesfersfeefaefeeeleeeteosteee| Q.J. Geol. Soc. vol. xxvii, p. 399, t.16, f. 1-7. 
— Malvernius Phill. ....cc..vee a5) [cool Elba foo 500|(poelleee| [esa vofess|erfere|ees|eee}ectoo! Conocephalus, Geol. Oxford, Valley of the Thames, p. 68, f. 5. 
? C. innotata, Barr. { 
| — monile............ Salt. soccecceees seefoesfore] PPeesfece[eee]oeeens sesfece[eee[aee[ecsfeesleo!-.-] Cat. Camb. and Sil. Foss. Cambr. p. 32. 
— olenoides......... NYE eappeeceboc Beal Cee loca [3 joes (ood ised isan foep vsa{eee]oeefasefers{eoe{eee]-ee] Mem, Geol. Surv. vol. iii, p. 308, t. 8, £.6. 
a PETORED, .ccrcvecocsinasaneaseriteesens ceed irdel nse isco ete Bod) aco| aes) fae vesfecslese|.ee]eeefeesleestes.| Doubtful species. ; 
= PISNGLN or veces Si zal Peillee| see Koei eee eee f eee see[eceleoe]eve[ece}eee]ooelee-| Q. J. Geol. Soc. vol. xxii, p. 506. 
— simplex ......... A load ab6 pos hsadftoad {aoe seafecs|aee]ece[eeelsaeeee[---] Mem. Geol. Surv. vol. iii, p. 306, t. 5, £. 17. 
— Solvensis....  [oee|eesfeeefons seefeve|eeefees ves[ace[oeelsee{ece[ecedeesteee| Q. Js Geol. Soc. vol. xxvii, p. 400, t. 16, f. 8. 
— variolaris......... SES aillood ee Bolan ieee] Hos eet (emer |laere|(s =| lea coe seal eden QEOls GOClsvOlexxX,cps12305. baila yedal Oso 
— yersimilis. ...... BES Igoe aan anol eel ee sesfeve|eee|ace|--e]e+-]-..|.22] Mem. Geol. Surv. vol. iii, p. 308, t. 6, £13. 
(h—=— Vexata ....2<..0s 5 VE) loc) bent esol ieed| Joc see[eee[eve]eee{eee|-ee[eee/e-.! Mem. Geol. Surv. vol. iii, p. 307, t. 8, f. 7. 
— Williamsonii ... BIE (aod) bag naallend| [bse {tad wss[ecelese|eee[erefece].e-|-2-| Geol. Mag. vol. v, p. 9, t. 2, £. 7-11. 
CHEIRURID#. 
Crotalocephalus ... Salter, 1853 ... 
Sub-genus of Cheirurus.........06+ 46] sc5)|ael/o¢ [soo 555|lood lend oe cee[oee|eas[sce[ecs|---[ee-|-2-| Fede Cheirurus. 
PHACOPID®. 
| Cryphaus.......++.. Green, 1837 
Sub-genus of Phacops Emm.1839 
— PUNCEAEUS  iececccneersereetneeneeens 669 teal ac8)lacq) Jane ves[eeefecPere|ees|oes]see]cee]eeeeee]ses}eas| Wide Phacops punctatus (Devonian). 
ASAPHIDE. 
Cryptonymus ...... Fichwald, 1825}...|...|...|...]..- 30] ond) ba (coe selec fee{oefeeceleeloo]se| Sub-genus of Asaphus. 
CHEIRURID®. 
PCy Delors .cadassese Loven. 1845 
ZEtHUS...0i0 0000s Pander, 1830... 
Atractopyge ... Corda, 1847 ... 
— TUOSA.........0 ROTEL enccrccene: ac6|{anal/aq¢ lead bp ver| ge ecePoes|ece]see|-e-]ece{ece]sc-feee{eee| Ogygta, Geol. Rept. p. 302, t. 5, f.1o. Cybele, Salt. App. A, 
M‘Coy, Brit. Pal. Foss. p. iii, t.1G, f. 8; ib. M‘Coy, loc. 
cit. p. 188. 
| — sexcostatus...... RYE canoapecande acl \eod| food lose les wea|eaellews| sre seclecsleee|eee{eee{eee{eae/e..] Made C. verrucosa, pars, and Encrinurus, pars. 
Peesyerrucosal., Ayscq Dalites,ceeescc..::|ies|ocfer| elec Pall Brong. t. 4, f, 11. Cybele verrucosa, Loven. of. v. Veten- 
skaps. Acad. 1854, t.1, f. 5, and p. 111. Atractopyge, 
Hawleand Corda, Bohm. Trilob. t. 5, f.52. Zethus atracto- 
pyge, M‘Coy, Brit. Pal. Foss. p.156, t.1 G, f.1-5. C. 
sexcostatus, Salt. Mem. Geol. Surv. vol. ii, pt.1, p. 343, 
| PROETIDE. t. 8, f..9,10 (non ro). | C. verrucosa, Salt. ib. Dec. VII, 
. A _t. 4, f.4; ib. Mem. Geol. Surv. vol. iii, p. 324, t.19, f.7, 
eupiesese LEIS TIS oy head ; ib. Siluria, 4 ed. p. 206, Foss. 48, f. 2. 
Harpidella...... M<Coy, 1849... 
— elegantula ...... Angelin ......... a0\ el |acd food foac So fecal lepel eos vealece] ae [ece{eeefeee]eee{eee] Salt. Mem. Geol. Surv. Dec. VII, p. 6. ? C. pygmaeus. 
| — megalops......... MM GOYy ee cneeane erase leech ese | ene veel ae feeel a feoe]eee] x |e ]ecefee]..e]...] Harpes, Sil. Foss. Irel. t. 4, f.5. Harpidella, M‘Coy, Pal. 
| Foss. p. 143. Cyphaspis, Salt. Mem. Geol. Surv. Dee VII, 
t. 5; ib. Siluria, 4ed. p. 235, Foss. 65, f. 2. 
— pygmeus ...... Salts \ccsevstsve 3 See ase Reed (38 elllec see are see] ge | ae [oce|eee[eoe]-ee{-e-| Mem. Geol. Surv. Dec. VII, p. 6. Proetus elegantulus, 
Angelin, Pal. Suec. t.17, f. 7. 
OLENIDE. 
| Cyphoniscus ...... Salter, 1852 ... 
| — socialis ......... Sit appa bocca oar label bse load fee * Proc. Brit. Assoc. 1852, p. 60; Mem. Geol. Surv. Dec. VII, 
t.9; Siluria, 4 ed. p. 206, Foss. 48, f. 8. 
49 
