288 
niE GEOLOGIST. 
Cystipbyllum brevilaiin.'ll;itum, J/'Cui/, 
P. F. 32. 
cylinJricum, Lonsd. Sil. 213. 
Grayi, Arch. Mus. 5. 405. 
yiluriense, Lonsd :^\\. 243. 
Diphyphyllum flcsuosum, D'Orh. Prod. 
48. 
Favosites alvcolaris, Blainv. 132. 
cristatus, Blum. Sil. 132. 
Gotlilandicus, Ldim. Sil. 132. 
Hisingcri, Edw. Arch. 5. 240. 
multipora, Lons. S. S. 683.J 
oculatus, Gold/. Sil. 132. 
Fistulipora decipiens, M'Coi/, P. F. 11. 
Goniopliyllutu Fletcberi, Edw. Arch. 5. 
405. 
Halysites catenulatus, Linn. Sil. 133. 
{Catenipora, Sil. Syst.) 
Heliolitcs, {Poritcs, Lons.) 
intcrstinctus, Wahl, Sil. 132. 
{Pontes Pyrifnrmis, Sil. Syst.) 
megastoma, M'Cay, sp. P. F. 16. 
Murchisoni, Ediv. Arch. 5. 215. 
petalliformis, Lons. Sil. 132. 
scita, Edw. Arch. 5. 222. 
tubulatus, ioras. Sil. 132. 
Labechia conferta, Lons. sp. 
{Montktilaria. Sil. Syst.) 
Nebulipora papillata, M' Coy, P. F. 
ZooruYTA (Ilydroida ?) 
Graptolites priodon, Broun. lletiolites Geiuitziauus, Barr. Grapt. 
(G. LAidcmh, Sil. Syst. 694.) Bohem. O'J, 
G. Plcmingii, G. J. 8. t, 21. 
(To he continued.) 
Oiuphyiua turbiuata, J, inn. Sil. 243 
Paliuocyclus Fletchcri, Edw. Arch. 5. p; 
205. 
porpita, Linn. .Sil. p. 242. 
prreacutus, L^ons. S. S. 
rugosus, Edw. Arch. 5, 206. 
Petraia biua, Londs. Sil. 242. 
subduplicata, M'Coy, P. F. 40. 
uniscrialis, M'Coy, P' F. 41. 
Ptychophyllum patellatum,iSeW. Sil. 242. 
Sarciuula organuin, XjVin. Sil. 203. 
Stcnopora fibrosa, Goldf. Sil 132. 
Strephodes pseudoceratites, M' Coy, P.F 
30. 
trochiformis, M'Coy, P. F. 31. 
vermiciiloides, M'Coy, P. F. 31. 
Stromotopora striatella, d'Orh. Sil. 210. 
Strombodes Bechii, Edw. Arch. 5, 428. 
Wenlockensis, M'Coy, P. F. 34. 
Syringopora (Aulopora). 
hifurcata, Lons. Sil. 133. 
{Aulopora serpens, Sil. Syst.) 
filiformis, Gold/. S. S. 085. 
Londsdaliana, M'Coy, S. F. 65. 
Orbiguiana, Morris, Cat. 67. 
Thccia Gray ana, Edw. Arch. 5. 307. 
Swindernaua, Goldf. Sil. 242. 
Zaphrentis conferta, M'Coy, P. F. 28, 
THE COMMON FOSSILS OF THE BEITISH EOCKS. 
By S. J. Mackie, Esq., F.G.S., F.S.A., &c., &c. 
CHAPTER II. 
The Roclcs and their Teachings. 
(.ConVinued frvro, ^aye, IST.) 
A MAN would SCO but little of the reality of the world if he shut 
himself up in his house, and only gazed out from the same window ; he 
would learn little more if he contented himself with alternately gazing 
upon the scenes passing around him, from the windows of every storey. 
So a geologist, in limiting himself to the study of the rock-masscs of a 
circumscribed area, would never, by the utmost perseverance, in going 
