part 3] THE LITHOLOGTCAL SLXCESSIOjS^ AT CLITTON. 243 



EXPLANATION OF PLATES VIII-XIV. 



Plate VIII. 



Fig. 1. Mitch eldeania'Lim.eBtone (Km) (A 182). Riverside exposure, northern 

 end of section, left bank. X 4/5. (See p. 216.) 



2. Brecciated Mitcheldeania Limestone (Km) (A 181). Riverside ex- 



posure, northern end of section, left bank. X 4/5. (See p. 216.) 



3. ' Stick-Bed ' (block not in place) (S J. Northern end of Great Quarry 



(scale gi^ven by 6-inch measure). (See p. 227.) 



4. Semimda Pisolite, S.,{a). G-reat Quarry. X about 1/2, (See p. 228.) 



Plate IX. 



Fig. 1. Spongiosti'oma limestone (S^). Northern end of the Great Quarry. 

 X 2/5. (Scale given by 6-inch measure.) (See p. 226.) 



2. China-stone with ? borings (S^). Northern end of the Great Quarry. 



X 3/4. (See p. 226.) 



3. Algal limestone. Concretionary Beds, S.^{d). Observatory Hill, Clifton. 



(Scale given by 6-inch measure.) (See p. 230.) 



4. ' Rubbly Limestone,' showing its discontinuous character (D2). By 



road, south of Point Villa. (Scale given by foot-rule.) (See p. 234.) 



Plate X. 

 [All figures in this plate are magnified about 15 diameters.] 



Fig. 1. Algal Limestone (Km). Lower Avonmouth railway- section. Patches 



of Mitcheldeania rounded by solution following penecontempo- 



raneous brecciation. (See p. 216.) 

 2. Limestone with Solenopora (K). Avon Section, right bank. (Prof. 



E. J. Garwood's collection.) (See p. 216.) 

 3i Gritty limestone, with rolled shell-fragments (Km). (A 14.) Lower 



Avonmouth railway- section. (See p. 216.) 



4. Calcite-mudstone, with ostracods, foraminifera, and rounded patches 



(S^ base). (A 91.) Northern end of the Great Quarry. (See p. 226.) 



5. Limestone with spines of Productxis {^{). (A104fi.) Northern end 



of Great Quarry. Several sections of crinoids are also seen, and 

 one of the Pwductus spines has a bryozoan(?) growth round it. 

 (See p. 227.) 



6. Partly dolomitized limestone with spines of ? PalecMniLs (S., base). 



(A 111.) Great Quarry. (See p. 227.) 



Plate XL 

 General view of the Avon Section, right bank, from near ' Sea-Walls.' 



Plate XIL 

 The Great Quarry, Avon Section, right bank. 



Plate XIII. 

 Northern end of the Great Quarry, Avon Section, right bank. 



Plate XIV. 



Caninia Dolomite (C._,) resting upon Caninia Oolite (CJ, Quarry 3, 

 Avon Section, left bank. 



