326 



Reviews — Geology of Prussian- Silesia. 



GENERAL CHARACTER, STRUCTURE. 



EaUIVALENTS. 







a 



6. Bed of 



Ehynnhonella 



trilobata. 



Upper-Felsen- 



kalk. 



Between Krakau and "Wie- 

 lun. White Limestone, many 

 hundred feet in thickness. 

 Ammonites polyplocus, EJiyn- 

 chonella trilobata, etc., etc. 



Lower cal- 

 careous grit. 



Scyphia, 



limestone of 



Swabia. 



5. Bed of 



Rhynchonella 



lacwiosa. 

 Lower-Felsen- 



Between Krakau and Wie- 

 lun, thickness 150 feet. Porous 

 lightgrey Limestones. Bhyn- 

 chonella lacunosa, great num- 

 ber of FlanulatcB. 



Scyphia, 



limestone of 



Swabia. 



4. Bed of 



Ammonites 



cordatus 

 (A. Arduen- 



nensisj . 



2. Bed with 

 the typical form 

 of Ammonites 

 cordatus. 



1. Bed with 

 a small form of 

 A.mm. cordatus. 



White Limestone with a 

 great number of fossils, white 

 and yellowish marls, and grey 

 earthy limestone, many fossils. 



Lower beds of 



the middle 



"Oxford," of 



Oppel. 



Q 



3. Bed of 



Ammonites 

 macrocephalus. 



Thickness 12-30 feet. Lime- 

 stone. Great many fossils. 

 Forms of the Etage Bajocien, 

 Bathonien and Callovien, as- 

 sociated in several localities 

 (Balin). 



Great Oolith 

 over the 



Fuller'' s earth. 



Callovien of 



England and 

 France. 



Upper Denta- 

 lium clay, 



Macrocephalus 

 Oolite of 

 Swabia. 



2. Beds of 

 Ammonites 

 Parkinsoni 

 (nntOppel'Sjbut 

 the whole of 

 strata, which 

 contain A. Par- 

 kinsoni) . 



2. Bed with 

 a small form of 

 Parkin- 



soni. 



1. Lower bed 

 with the typic 

 Amm. Parkin- 



Dark argillaceous clay, 

 thickness about 100 feet. 

 Grey sandstones, dark shales 

 with Sphserosiderite. 



1. Beds of 

 Inoceramus 

 polyplocus. 



4. Clay of 

 Mirow. 



3. Dark sandy 

 marl of Lysiec 

 and Siellec. 



2. Bed of 

 Kostczelitzer, 

 with undeter- 

 mined bivalves. 



1. Ferrugi- 

 nous brown 

 Sandstone with 

 Inoc. polyplocus 

 and Pecten pu- 

 mihis, etc., etc., 

 of Woischnik. 



Etage j3 of 

 Quenstedt. 



