LIST OF C HELTENHAM FOSSILS. 
105 
Ammonites b7'evispina, lower lias, sometimes in tlie lias marl- 
stone. 
planicostatus, lower lias. 
Greenoughii, lower lias and upper bed of inferior 
oolite ; this shell often attains a very large size. 
Birchiij lower lias. 
Sirangwaysiij upper lias and upper bed of inferior 
oolite. 
Taylori, lower lias_, only a portion of a single indi- 
vidual has yet been found here. 
planorbis, lower lias ; in the beds of slate which se- 
parate the beds of compact lias, at the base of the 
lias formations ; sometimes merely the nacre is 
left adhering to the thin pieces of shell. 
Herdeyij lower lias, this species has been named 
A. Beckii, in the Min. Conch, and A. Cheltien- 
sis in Murchison^s Silurian System. 
annulatus, upper lias. 
obtusuSj lower lias. 
heterophylluSj marlstone (lias) ; associated with a 
new species which I have named A. nautili- 
formis. 
Banksii. 
Humphresianus, upper bed of inferior oolite (very 
rare). 
varicosus, upper bed of inferior oolite. 
Brockii, upper bed of inferior oolite, (young speci- 
mens top of Leckh-ampton Hill.) 
Parldnsoni, upper bed of inferior oolite (common). 
perarmatus, upper bed of inferior oolite ; very rare 
in what is termed the Gryphite grit. 
Brownii, upper bed of inferior oolite, associated 
with the preceding species j well distinguished 
by the tubercles on the side. 
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