BRA CHLOE ODA: CAMBRIAN AND SILURIAN. 
PALZZOZOIC. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
a Ales Wate : o 
a|_IE|.| | FiSEMBIERREle 
SPECIES. | S| lS|olSs | ais ( 13] BS lea] REFERENCES. 
Nn Blwole Sis le l8lSlelelslel= 
siciZisl.- elalaio ol? 
5B SIS/SIE/2]5/8/5/5|2|2| S182 
MISISIS|<ISIS|SIb = EIFS lai le |e 
Skenidium (continued). 
— Lewisii............ TDW), soeopacboee B64 (s00) ced [ee (Fool [G00] focal (ro |d0a local focal eon * Orthis, Mono. Sil. Brach. Pal. Soc. vol. 1869, p. 208, t. 26, 
f. 4-9. Skenidium, Sup. idem, vol. xxxvii, p. 173. 
— var. Hughesii ... Dav..........04 £56] ts09) 1500) lapel (oo) ood Isec| foc [Ba0| o08] Iba x |e-e[ec.[eeeeee]--»| Ordhis, Mono, Sil. Brach. Pal. Soc. p. 254, t. 38, f. 26. 
—- ,, Shallockensis Dav............. 26d) ano) oa) land (soc eel ak:l|leoefee saseesface{eoe|-ee]eeefeee]ee+] Sup, Mono, Sil. Brach, Pal. Soc. vol. xxxvii, p. 174, t. 11, f. 6, 7. 
— ,, Woodlandiense Dav.......... Allee Foe sarfece| op [eee|eee{eee{eee{eee] Sup. Mono. Sil, Brach. Pal. Soc. vol. xxvii, p. 174, t.11,f. 1, 2. 
SPIRIFERIDE. 
Streptis (Atrypa) Davidson, 1881 
— Grayii ............ TOG A38. peneeripacdeAl s60| loeb) poo ised eee pofoablaae| joe veel Pl ae] ae[ofeee{eee|...| Adsypa, Geol. Mag. Dec. II, vol. viii, p. 150, t. 5, £. 13. 
Streptis, Day. Sup. Mono, Sil. Brach. Pal. Soc. vol. xxxvii, 
STROPHOMENIDS. p: 139, t. 13, £. 14-22. 
Streptorhynchus ...........sccsssese- 
SS TATE) Geescens TIERS, cssoaiocs|(eo9| (ene) (eo aod [ose lool ol lane] bo pal | allies llesel lene we.feee]ee| Ofv. K. Akad, Forhandl. Stockholm, p.371, t. 13, £.15, 1860; ib. 
Day. Mono. Sil. Brach. Pal. Soc. 1869, p. 201, t. 25, f.1, 2. 
RHYNCHONELLID. 
Stricklandinia ... Billings, 1866 
' — Baleletchiensis Dav. ............ 56¢| [aed Ibo foot Iboal |oon) [ooo 6 Je bel oc vs {ee|.ecfeee{eee]eee] Sup. Mono, Sil. Brach. Pal. Soc, vol. xxxvii, p. 166, t. 9, 
f. 27-29. 
STROPHOMENIDS. 
Strophomena .., Rafinesque, 1831 
| — Callawayiana ... Dav. ............ sa ol lend) Joa| oc fo00 rime lke loa fase ses[eoe|ecefacefece]eoefoee{eee] Sup, Mono, Sil. Brach, Pal. Soc. vol. xxxvii, p. 193, t. 16, f. 6, 7. 
— semi-globosina,., Dav. v.ccceeeeeee goal Bos| lace! loool ine F3'lfanol fetal (so wfecfesefec|eeefeo]eee[eee| Sup. Mono, Sil. Brach. Pal. Soc, vol. xxxvii, p. 195, t. 15, 
f. 9-11; t. 41, f. 5,6. 
— Shallockensis ... Dav. .........66 Feel lec6) anol fece| focbi jana 3! [coal ooo Sup. Mono. Sil. Brach. Pal. Soc. vol. xxxvii, p. 192, t. 11, 
fey YOK. BIND Up LY) fy BOB 1th WOH 28 Ch 
Terebratula .....1.. Lihwyd, 1696 
| — navicula ......... ISAS ocodtipcca0ce 8 soalao Ioed aD 36||odel cad joa toclecd|benlecclaee|scelleeaiiees|| ace Davia. 
RUYNCHONELLIDS. 
Triplesia .........++: Hall, 1859.....- 
= apiculata,....... ISGLEy getcawesesss Boel eon) face) acc faa |e) [eae 6c loon) ooo ses[esc[eee[eee]ece]eee| Vade Atrypa. 
| — incerta............ WD ci gen see ceeiaee Peale saltonalleed| bode lees +152 |Iecolloon ves[ees[eee[eeeleseleee| Admypa, Mono. Sil. Brach. Pal. Soc. p. 203, t. 24, f. 30; 
| t. 25, f. 7,8. ‘Triplesia, Dav. Sup. ; id. vol. xxxvil, p.145, 
| t. 8, f. 24-29. 
| = ITISUIAIISisreres ces IDIOMA, “cpp656|\scel|saellood joe (|e ENE Orthis, Mono. Sil. Brach. Pal. Soc. p. 273, t. 37, £. 8-15. 
Triplesia, Sup. ; ib. vol. xxxvii, p. 143, t. 8, f. 17-22. 
| — spiriferoides ... M‘Coy ......... vesfece|eee|aeefene aoe ieee) ee veilece[eeelace{eea|eeefeee{-o| Orthds, Dav. Mono. Sil. Brach. Pal. Soc. p. 275, t. 37, £.3-7. 
| Triplesia, Day. Sup. ; id. vol. xxvii, p. 146, t. isis ate) 
| — Wenlockensis ... Dav. .......104. 8ecl(sac| 506 see) lode 506| os] [aad 1bob vealese| ae fees{eee/ees]ee[eee] Sturp. Mono. Sil. Brach. Pal. Soc. vol. xxxvii, p. 144, t. 8, 
| fs 23: 
| TEREBRATULIDE, 
| Waldheimia ...... Davidson, 1881 
| — Glassii..........4. DG wosevearors sealleeal les lleet lees Boe) lee |e lace Bae] load loce! [pool fade (coo ..-| Geol. Mag. Dec. IT. vol viii, p. 146, t.5, £.6, 1881; ib. Sup. 
| Mono. Sil. Pal. Soc. vol. xxxvi, p. 77, t. 4, f. 4. 
Wp MAW ce eacestcne DAU states orn nae | ae acta etal eel isa | ne vealhaelise alesse teal anal este ...| Geol. Mag. Dee. II, vol. viii, p.145, t.5, £.7,85 p.145: ib. 
Sup. Brit. Sil. Brach. Pal. Soc. vol. xxxvi, p. 76, t. 4, f. 1-3. 
SPIRIFERIDE. 
Whitfieldia......... Davidson, 1881 
== tumidatre chews Dane osccecke Be fae ie (do Alltel bie all alle |lboel loos Vide Meristella, and Day. Sup. Mono. Sil. Brach. Pal. Soc. 
| vol, xxxvi, p. 107, t. 5, £. 5, 65 t. 6, f. 1-9. 
