440 IT. TF. King Sf W. J. Lewis— 



Sir R. Murchison ^ recorded here the Lower Ludlow, and the best 

 sequence in South Staifordshire of the Upper Ludlow. Neither 

 he nor any other writer has been able to announce the thickness of 

 these beds. 



The Lower Ludlow is seen underlying. the Aymestry Limestone, on 

 the western side of the anticline, north of the main road, by the side 

 of a wall on the east side of a newly erected house. 

 The succession is thus : — 



ft. in. 

 A." Aymestry Massive Limestone with Conchidium Knightii, Atrypa 

 reticularis, Euomphahis alatiis, Lituites Ibex, Stropliomena 

 rliomboidalis and ornateUa, Pentamertis galeatus, etc. . .46 

 Nodular hmestones with thin blue partings. Atrypa reticularis 

 [coraraon), Encrinurus inmctatiis, 0. lunata, R.nucula. (At 

 Sedgley Conchidium Knightii occurs in these nodular 

 limestones.) . . . . . . . . . . 7 ,i) 



B, C. Limestones with thin blue partings. Dayia navicula and '■ 



B. nucula (abundant), Chonetes minima, O. canaliculata .'80 

 Limestones (collectively 28 inches) with yellowish-brown '' 



partings. R. nucula and Wilsoni, 0. lunata . . .70 

 D. Calcareous yellowish-green sandstones with thin limestone 

 bands. The latter aggregate 3 feet and some are nodular. 

 O. lunata, Chonetes striatella (common), B. nucula (eoxnmou), 



B. Wilsoni 12 



Calcareous green sandstones . . . . . . .50 



Nodular limestones (collectively 4 feet) and calcareous green 



sandstones .......... 7 



Yellowish-green calcareous sandstones which in the upper layers 



are full of bones . . . . . . . . . 14 6 



D'^. Ludlow Bone-bed with B. nucula, Onchus, Thelodus, Bellerophon 



globatus, Lingida Leioisii (medium species), and bones . 6 



Total thickness of Aymestry and Upper Ludlow Groups . . 65 6 



In all D (except D'') Chonetes striatella and minima and R. nucula 

 are very common. The section continues without interruption with 

 Downton Sandstones (E*), thus: — 



ft. in. 

 Greenish-yellow gritty shale. (Fish ?) spines and 



black markings . . . . . . .33 



Hard yellow sandstones with two partings of 6" and 

 16", Lingula Lewisii (medium species), and black 

 markings . . . . . . . . 10 6 



13 9 



A large building covers the ground to the east. 



We have checked Mr. King's measurements at the Hayes 

 with the beds A, B, C, and D exposed at Sedglej-, which were 

 described as Aymestry and Upper Ludlow by Sir 11. Murchison and 

 Mr. Jukes. 



In the quarries 400 yards and upwards W.N.W. of the Beacon 

 Tower, Sedgley, the Lower Ludlow is exposed with 40 feet of the 

 Avmestry and Upper Ludlow Glronps above it. The highest beds 



' Silurian System, 1839, p. 483. 



^ The letters we use are the same as in Q.J.G.S., vol. Ixii, p. 195, 1906. 



