I.ondond

Murch. Siluria.

Murch. SU.

Syst.

Murch. SU.

Syst.

Geol. Rep.

Londond.

Murch. Sil.

Sy»t.

Murch. Sil.

Syst.

Murch. Sil.

Syst

Geol. Rep.

Londond.

Sait. Murch Siluria.

Murch. Siluria.

Murch. Sil.

Syst.

Murch. .Siluria.

Mem. Geol.

Surv. U.

Contrées de la grande zone septentrionale d'Europe.

If.j

i 53 il

Irlande

Orthoeeras (suite).

mendax Sait.

Mocktreense . . . Sow.

numiuularium . . Sow.

perannulattim . . . Portl.

pcrelegans .... Sait.

politum M'Coy

Pomeroense . . . Portl.

primaevum .... Forb.

sericeum Sait.

subgregarium . . . M’Coy subundulaltim . . Portl.

tenuiaiimilatuin . . M’Coy ieniiicinctuin . . . Portl.

tcnuistriatnm . . Münsl

textile Phill.

tori/uatum .... Münsl, trachéale .... Sow.

tiimidum .... Portl.

undiilostrialiim . . Hall.

vagans Sali.

ventricosum . . . Sharpc.

vertébrale .... Hall.

1 13. Répétitions horizontales.