FOSSILS OF THE BRITISH ISLANDS 
STRATIGRAPHICALLY ARRANGED. 
FACE Sh 
PAL ZOZOIC 
CAMBRIAN AND SILURIAN SPECIES. 
Abbreviations used in the heading to the several columns of Strata. The names not abbreviated explain themselves. 
Har. St. David’s = Harlech and St. David’s beds, including the Longmynd, Woolhope Lmst. = Woolhope Limestone. 
Llanberris, and Bray Head series, or Lowest Cam- Wenlock Lmst. = Wenlock Limestone. 
brian rocks of England, Wales, and Ireland. Aymestry Lmst. = Aymestry Limestone. 
Low. Llandovery = Lower Llandovery. Tilest. & Passage = Passage beds and Downton Sandstones. 
Up. Llandovery = Upper Llandovery or May Hill beds. Pass up. To show that the species passes to the next formation. 
PALAOZOIC. PLANT A. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
2| lf] | | FiBL 
SPECIES. RE Se Eee eee eis REFERENCES 
2) eels pfisleials|sisis/sislsl2 
ele|S SIS El Slel a Sle lelel alae) 3 
PRIS SIRISIS SSIS iE IE IE Alisa [a 
E peas (I 
| 
Kingdom, PLANT ZA. | | 
Sub-Kingdom, CRYPTOGAMIA. | 
Actinophyllum ... Phillips, 1848..) | 
— plicatum......... PRU renee: pele Bast bod (sa0 {see|lo00) Bad (Gad) loae |...[eofeefeee|eee| x |... Mem. Geol. Surv. vol. ii, pt.1, p. 386, t. 30, f. 4. 
ALG. | | 
Chondrites......... Sternberg, 1833 | 
— versimilis ...... Sallwi oss .cescet feos] Brel eed Recliose local eer 66g ISce elle Seale site al lnee me et Surv. Geol. Edinb. (Map 32), p.134, t. 2, 
| aula ae 
? ALG. 
ETICOIGES 2. cceines or Brongniart,1822 | 
— gracilis ......... Fees eA bao] ced eed bea REP x ..|...| Geol. New York, pt. 4, 1843, p. 69, f.14. Sil. 4 ed. p. 96, 
Foss. f. 16. 
ALGER. | 
Pachytheca......... Hooker, 1851... | 
— spherica......... HOOK eae soseen an eal REA ERR cord bee Cee Real hed Gee alee sas'lcas tees] ae | 3k ee Spheroidal bodies, Q. J. Geol. Soc. vol. ix, p- 12, and p. 9, 
10, f.1-3. Pachytheca spherica (Hook). Salt. Q. J. Geol. 
BRAT cles Soe. vol. xvii, p. 162; id. Sil. t. 35, £. 30. 
Pachysporangium Sa/ter, MS. ... 
5 1171 ae BSL ZEB IESE set355]la04 |ood bed eed] Fee fobal eed eed fe .| x |...| M. P. Geol. Coll. 
? ALG® 
Paleochorda ...... MS Coy, T849¥.4) 5.5) .cc\«cn|<=+| o> ecclined bod Bee |see|ecelees[eee|ere[eee{ee-[eee| Made Paleeochorda (Class, Annelida). 
