L. Richardson — Rhcetic Section at Wigston. 



367 



Mr. A. R. Horwood, of the Leicester Museum, who read through 

 this paper in its manuscript form and kindlj^ made a special in- 

 vestigation of this section at my request, says (m litt.) that the lithic 

 structure of the Tea-green Marls is quite different from that of the 

 grey bands that are associated with the red marls. 



The bone-bed is ill-defined as a hard bed, but there is usually 

 present gritty matter, replete with fish coprolites, scales, teeth, pebbles, 

 and an occasional fragment of bone, resting directly upon the Tea- 

 green Marls. It is easily found by searching along the actual junction- 

 line and looking closely for the black vertebrate remains. Mr. Montagu 

 Browne remarks that it rests upon " an eroded surface of the marls". 



Drift 



■{ 



Section at the Glen-Parva Brick-Works, Wigston. 



Reddish clay, sand, and boulders : 



8 to 27 feet.' 



Thickness in 

 ft. in. 



Shales, thinly laminated, dark \ 

 grey (weathering yellowish), 

 and crowded with fragments ot - 

 echinoid - radioles and shell - 

 debris : seen / 



Limestone, fissile, hard, grey, \ 

 blue-hearted, crystalline, almost 

 made up of the fragments of V 

 echinoid-radioles and oysters : 

 1 to 3 inches / 



Marl, pale -yellow, sometimes 1 

 shaly: to 10 inches / 



1 



:i 



Non-sequence. 



/■Limestone, pale-yellow, greyish, 

 I blue-hearted , occurring in some 

 what nodule - shaped masses 

 but continuous, and usually / 

 separating into two beds of like I 

 thickness : 10 inches to 1 foot. J 

 ( Marls, yellowish, indurated, or an ) 

 t impure limestone : 4 to 8 inches, j 

 Limestone, impure, irregular, ^ 

 laminated, earthy, grey (wea- j- 

 thering brown) : to 2 inches. J 

 Marls, pale-yellow, occasionally 

 laminated, but more often 

 breaking with cuboidal fracture, 

 with sandy and micaceous seams, 

 scattered pyritic nodules, and 

 more or less continuous in- 

 durated bands (one of which is 

 particularly noticeable at or 

 near the base) : passes down 

 into 



V 4 ^ 



1 



2 



Fragments of the radioles 

 of echinoids and debris 

 of Ostrea liassica, 

 Strickl., Plagiostoma 

 sp., Volsella minima 

 (Sow.), and Syneyclo- 

 nema sp. 



5 ? = Paper Shales. 



1 7 seen 



10 



9 9 



C Annelid -tracks and 

 \ burrows. 



10 7 



