208 7 Review of “‘ Outlines of the 
We must advert a moment in this place, to the introduc- 
tion of the work before us, to exhibit the general classifica- 
tion of rocks, which the authors have made the basis of their 
arrangement of the strata of England and Wales. The fol- 
lowing sketch, taken from page 7th, will give at a glance, a 
comparative and synoptical view of their plan. 
Character. Proposed Names.| Wernerian. Bone oe He 
1. Formations (chiefly of NewéstFloetz!: . 
sand and clay) above|Superior Order.) “°"*) Tertiary Class. 
eas iam, as 
2. Comprising a chalk, b 
sand and clays beneath 
chalk, ce calcareous 
free-stones _ (oolites)/Supermedial Or- Secondary 
°F pits Floetz Class. hae 
d New 
conglomera 
nesian limestone. 
|Sometimes referred to the pre 
ceding, sometimes to the st 
ceeding class by writers 
| se sc 
Carboni- = 
~ eonuress Pf nen = Medial Order. | coal measures a efer- 
Old red red to the former—the sub 
jacent limesto d sand- 
stone to the latter. 
4 Hoofing Slate, kc. &c| Submedial! Or- Transition Intermediate 
2 | der, ; Class. Class. 
5. Mica Slate, eens 
Gneiss. Inferior Order. Primitive Primitive Class. 
Granite, Say Class. 
The strata in England and Wales. described in that part 
of the work under review, are, as already remarked, the 
coal measures and all above these. In other words, it com- 
