78 LIAS OF. ENGLAND AND WALES t 
Lias ; and the beds are largely worked all along the ridge known 
as Camel Hill. Here the muss of the stone-beds belongs to the 
zone of Ammonites planorbis. An interesting section was exposed 
along the Great Western railway, and this was described in great 
detail by Charles Moore. The higher beds are now much 
obscured, but they include the zanes of Ammonites angulatus, 
and A. Bucklandi, and probably portions of overlying beds. We 
find here, as elsewhere along the exposed tracts of Lias north 
of Lyme Regis, that the zone of Ammonites Bucklandi is for the 
most part represented by clay with comparatively few bands of 
limestone. Moore's account of the Queen Camel section may be 
summarized as follows : 
FT. IN. 
f" Thick beds of marl, with bands of limestone 60 
Alternations of mari and limestone ; the 
marl preponderating - - - 48 6 
4 
5 2 
Zones of 
Am. Bucklandi 
anaulatus \ Blue clay with Ammonites angulatus 
^Alternations of limestone and clay 
| Limestone with Am. planorbis and Gryphaea 
arcuata - 
Alternations of limestone and marl or clay, 
yielding - .... 
Am. Johnstoni. 
planorbis. 
Nautilus. 
Astarte. 
Cardinia. 
Gryphaea arcuata. 
Lima duplicata. 
Hermanni. 
Modiola minima. 
Monotis (Avicula). 
Myacites. 
Ostrea liassica. 
multicostata (arietis). 
Pecten subleevis. 
Zone of J Unicardium cardioides. 
Am. planorbis. \ Pentacrinites. 
Echini. 
Ostracoda. 
Foraminifera. 
Saurian and Ostrea Beds. Alternations of 
limestone (" firestone," &c.) and marl 
Am. planorbis. 
Modiola minima. 
Monotis (Avicula). 
Lima. 
Ostrea liassica. 
Cidaris Edwardsi. 
Insect and Crustacean Beds. Alternations 
of more or less laminated marl and lime- 
stone* - ... 
Lepidotus. 
Modiola minima. 
Eryon wilm?otensis. 
Insects. 
Rhoetic Beds. White Lias. 
4 
97 
5 5 
4 9 
225 2 
* One band, here and elsewhere in the district to the west, is called the " Hat 
and Cap," because the stone flakes off when quarried, in the form of a hat or cap. 
