PALOZOIC. CPE AMOR OMDFAS CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
S| le S| s)elelsleletdls|® 
5 bp SEIS se alZleisgiela 
a|./8 PISS IAslEisiSai2/4 
me Aldlm/s! |s/SlElsielG i lS| ele ie 
SPECIES. sf SlalS| mle lS S|] SIS SIA BIA [3 6 REFERENCES. 
M\E\Sl\SlwislermRislsle|slalelals/s : 
BSI/EISbs IS is] Tels lel/slelsie 
B/S) PISISIS/E/E 5/8015 /2/2/ 2/81 
& ord = | ai o} > see 
TISISISISIS ISIE IFIED ie l& 
Trochoceras (continued). 
— gyrans ............ eal eee tees [ee [let sari all eae bell etl Serle il eee] neal eeei[eeel earl) Uomo; Brit, Kloss.;Cephai ps2a0n ba 2Q,10. 45 
== TEDELN Bence sceleses pod fost! lesa ase] (Vos) doa scot baal lade seo] ap [ooo] ok [aee[eee[ee{---] SySt. Silur. de Bohém, vol. ii, p. 124, t. 21, 22. 
— regulare Alleod ace sesleoe| ae Joee{ecefaee{eee{-e-] Mono. Brit. Foss. Ceph. p. 221, t. 29, £. 7. 
— remotum * Mono. Brit. Foss. Ceph. p. 215. 
— speciosum ...... BOR ic ccasesees|s24|\e08 (se | ees] kes| saclleeslleen] see «|e |x Syst. Silur. de Bohém. vol. ii, t. 14, f. 12-15; ib. Blake, 
Mono. Brit. Foss. Ceph. p. 219, t. 29, f. 1, 2; t. 28, f. 3. 
— striatum ......... (Blakervstersess Beall kcoe need eel eae eats] see aac | cali set bee baci teal secl|secleael pe Lonow Brita hosss Cephy pa 2225 tu20; fsinta SOneca oad 
PTSIGEHS: 
F alr alee : : 
pe 4 & BIE S| 3 gle/ale & 
Ws oo mlsj2isisislel8le|s 
a| [2 Lisle isigidisis 
Shak Aldiels] [o/S/slsle/Z ie lel els Ie 
SPECIES. - |S S| [2] S| S] S| Sls lS] 3 lea] ° REFERENCES. 
SEIS |S heals SiAlSisiSielelelels|s 
s(S/SBIEISIBlEIM Sle lelelalsigle 
AEE Eee CSS Seen 
HISISISISISISISIDS IEEE Iain aia 
Sub-Kingdom, VERTEBRATA. 
Class, PISCES. 
CEPHALASPIDE. 
Zenaspis ............ Lankester, 1869 GANOIDEL (OsTEOSTRACT) x 
— Salweyi ......... Egerton......... Saal aa [eel merc este leatell ee’ lltee fe seclene[eceleee[eoefeee] ak -.e| Made Geol. Mag. Dec. II, vol. viii, p.193, t.6. Videp.176 
for references, 
423 
