26 
Gen. Phytolithus. Fam. Truncorum. 
costa ticap 
siUis. 
sulcicapsu 
lis. 
siilcicul- 
mis. 
SPECIMINA. 
a. S. nucis denuclatas, 
b. S. nucis corticatse. Specimen rarissimum. 
8. Phyt. Pericarpii oblongi basi triquetri, apicem versus compressi: costis 
asqualibus pluribus longituclinalibus. 
Tab. 51. Fig. l. Tab. 52. Fig. 2. 
Ribbed Fossil-capsule. 
Sedes : strata vetula, argillacea, ferrifera. 
Chesterfield. Very rare. 
. 9. Phyt. Pericarpii conico-oblongi acuniinati interne sulcati : sulcis sequali- 
bus profundis longitudinalibus. 
Tab. 26. Fig. 3. 
Internally-sulcated Fossil-capsu le. 
Sedes : strata vetula, argillacea, ferrifera. 
Chesterfield. Rare. 
Obs. No description of this species has been given with its figure, under the idea that it was 
merely a variety of the foregoing — This, we are now convinced, is not the case ; the specific cha- 
racter, however, will sufficiently distinguish the fossil, 
t t t t Reliquia truncalia. 
* a * culmalia. 
10 Phyt. Culmi cylindrici simplicis : articulis longitudinaliter sulcatis. 
Tab. 8. Fig. i. 
Sulcated Fossil-culm. 
Sedes : strata vetula, sape arenaceo-argillacea. 
Coinmon in most parts of the county where the argillaceous gritstone 
occurs. 
SPECIMINA. 
b. S. sursum attennuatum. Apex Culmi. 
c. S. complanatum. 
d. S. articuli solitarii. *’ 
