PALMOZOIC. CEPHALOPODA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
: Sits] el =| lo 
AS 5 SIRT pe) og las -1%] .| oo 
BE 2 SiSislsialelelslels 
fB| 12 ASE Sls iSialel2 
: RE RS s/o/ 8138/2 eae - = 
2a re SlSisis Aisi isl 8lale|2 
ale ESSE Elsie (2/2| 2) SiS |2 
BS lSl4\als |Sip|F FE la jaja |e 
| | | 
NAUTILIDE. 
Lituites?............ Breynius, 1732 
— arietinus ......... NB Geersjeasecorssees |e ere lee] ees teee Jeeltisilioae| des vesleasfese] ok Jeeslaseleee|-ee| Zrochoceras, Syst. Silur. de Bohém. vol. ii, p. 103, t.17, 25, 
103. Lituites, Blake, Mono. Brit. Foss. Ceph, p. 227, t. 31, 
NAUTILIDE. f. 4. 
Nautilus ....... .... Breynius, 1732 
— Bohemicus ...... IB Grr vanentesceeet pel eset lee (Se ape s3o}1060| (oad aod veel x |e | & [---[escfee-[-ee| Syst. Silur. de Bohém. vol. ii, t. 32, 33; ib. Blake, Mono. 
Brit. Foss. Ceph. p. 210, t. 27, f. 1,2. ? Lituites Bid- 
dulphi, Sow. Sil. Syst. t. 11, f. 8. 
— Holtianus ...... IB a eeance sensi + ssllone| losctlarne| Kos Son Bor eo joce sesleclecs| & [eee{eseees[eee| Latuttes, Salter, Cat. Mus, Pract. Geol. (name only), Nau- 
tilus, Blake, Mono. Brit. Foss. Ceph. p. 211, t. 2&, f. 1. 
— quadrans......... Blahe........-.00]...].e[ecefecePors ves -| «| «| * |---| ¢ }-ee[---| Mono. Brit. Foss. Ceph. p. 212, t. 30, f. 1. 
— Scoticus ......... Blake.......00-0:|,,,|...)eccloor)oce He [ooo] x |e+s|eee]eee|eeeles-]...]--|-.-| Mono, Brit. Foss. Ceph. p. 215, t. 29, £.6, t. 28, £.4. (Tro- 
cholites.) 
NAUTILID £. 
Ophidioceras...... Barrande ,..... 
— articulatum...... OW sesnecreastes|vas|ere Meals | oes sesfeaseseP ae [eoefersleoe] ok [oee{ee[eee|-s| Vide Lituites (p. 122); also Blake, Mono. Brit. Foss. Ceph. 
p. 230, t. 18, f. 14, 15. 
— geometricum ... Blake,.......0+|...)... pe ta (oa Seateen leases se[ece[ooe] ®[-e-[eee{eeefers] Mono, Brit. Foss. Ceph. p. 231, t. 18, £. 16. 
ORTHOCERATIDE. 
Orthoceras ......... Breynius, 1732 
==acuoliratuml 2. LGLl ....csessse|.2.\-02 eaalltecd eee Ps Teed [soo seslece[eae[eee]ece|ese|eee{-e] Pal. New York, p. 189, t. 42, f£.7; ib. Blake, Mono. Brit. | 
Foss. Ceph. p. 84, t. 3, £. 14. 
— adornatum ...... BGPP. seeccvverses Bod 1804 64] [coc feel eee jaded ledd| isos vesfecsfeee[eee[eee[eeefeee| x | Syst. Silur, de Bohém. p. 299, t. 353, f. 7-9; ib. Blake, 
Mono. Brit. Foss. Ceph. p. ror, t. 3, £. 10. 
— annulatum ...... ISEXNS peoroasse0e secleccfesclecefooeleee] 2 lowe] aed ae | oe | oe | [eee] x |eee[eee| ede Blake, loc. cit. p. 89, 
— araneosum ...... BOT enneyacecenss Boal Peal eoalecel| es Ieee lise .| x [eee{eee].e| ye [ee|-e-| Syst. Silur. de Bohém. p. 283, t. 337-340; ib. Blake, Mono. | 
Brit. Foss. Ceph. p. 124, t. 17, f. 2. P Endoceras protei- 
forme, Nich, Geol. Mag. vol. ix, p. 102, woodcut, p. 103. 
— Ardvellense ...... Blake...........- De ele eeetd eed [teal eel | eset eect heel eee lesa ne | foe lace eee een | eLOnOMB Tita Hossa Cephsapst4 non balliasrceeDy 
— ATEUS .....6.eeeee TT re Bere noe Cee ae d| Igoe ase [soe] emt ood [e2\focd) [sen veel ae foes] [eee] ge |e fee] Syst. Silur. de Bohém. p. 476, t. 325. 
— ascendens ...... BIGKEN rcsscesvse * Mono. Brit. Foss. Ceph. p. 132, t. 12, f. 7. 
= BACCHUS rer scess Barr scccccssscese| set leetnealiccelo P|.lelalela|«|--|-| Syst. Silur. de Bohém. vol. ii, t. 270, 271; ib. Blake, Mono. 
Brit. Foss. Ceph. p. 111, t. 9, f. 3-7. 
— baculoides ...... Blake ccercccas|ee | ee neal lee eee Gos Mono. Brit. Foss. Ceph. p. 82, t. 3, f. 2. 
— Barrandei ...... SLE. cacwasvecsse] Ooaltcce ed Leet be spd ea had (bea) (see Se) soull sod lavel sod (Saal lane Q. J. Geol. Soc. vol. vii, p. 177, t.9, f.19; ib. Blake, Mono. | 
Brit. Foss. Ceph. p. 79, t. 18, f. 10-12; t. 19, f. 4. 
— cochleatum ...... Schloth. ......... Aol ical Loe a es Fl le 5 ails Min. Tasch. vol. vii, p. 4. ? Actino. annulariwm, Sow. Sil. 
Syst. t. 13, f. 24. O. cochleatum, Blake, Mono. Brit. 
Foss. Ceph. p. 161, t. 15, f. 7,8. (Actinoceras.) 
piled lees | eee ees(Pecliseslaes x?|...|..., Mono, Brit. Foss. Ceph. p. 145, t. 15, f. 2. 
sea | sccileocl ted lasal res wes * * Syst. Silur. de Bohém. p. 324, t. 285; ib, Blake, Mono. Brit. 
Foss. Ceph. p. 92, t. 5, £. 1-2. 
20 ai lessee femal eee | es [ne eet Mono. Brit. Foss. Ceph. p. 83, t. 3, f.3- ? O. unduloso- | 
| striatum, Salt. (non Hall), Q. J. Geol. Soc. vol. xv, p. 375, 
Galo 1257205 
—— Mommy sicccise ss: 3) bi) ie SA epee (ay rein |e [ieee Uae oe Nein] em ft Mono. Brit. Foss. Ceph. p. 165, t. 16, £.5. Endoceras Boum, 
Wyatt-Edgell, Geol. Mag. vol. iii, p. 161 (mame only). 
(Conoceras.) 
— Etheridgii ...... Blake............ Posie eal [eve rrellecel bee be eee _L..|ec{.ece.[-..]...4 Mono. Brit. Foss. Ceph. p. 104, t. 6, f. 3-6. (Range and 
position doubtful.) 
} | 
421 
