214 



PROCEEDINGS COTTESWOLD CLUB 



igii 



O 



^ 



r 



Thickness in feet ins. 

 22fl. Limestone, very hard, somewhat fer- 

 ruginous, with a very irregular un- 

 der surface, forming a kind of cap 

 to the Conglomerate-Bed ; Astarte 

 minima, Phil., Trigonice, Acantho- 

 thyris sp. : about . . . . . . o 6 



226. Conglomerate-Bed. Pebbles, water- 

 worn, bored by Lithophagi and often 

 covered with oysters, and SerpulcB, 

 in a brown, rather sandy, marl with 

 bleached oysters and well-rolled 

 shells. Where this bed is thicker 

 and less conglomeratic, the Coral- 

 Bed* comes in at the base ; Rhyn- 

 chonella cf. subteirahedra, Dav., com- 

 mon, Gresslya abducta (Phil.), Plen- 

 romya cf. goldfussi (Lye.) and other 

 species, Pholadomya sp., Myoconcha, 

 Cucull(sa, Alectryonia, Pteria in- 

 cequivalvis, auctt., Serpulce, etc ; 

 average . . . . . . . . 05 



Limestone, very hard . . . . . . 05 



Limestone, hard, iron-speckled, with irregu- 

 lar under surface . . . . . . 04 



Non-sequence 

 "Ammonite-Bed." Limestone ; Li- 

 oceras opalinum (Reinecke), L. thom- 

 soni, S. Buckman, Hammatoceras 

 afif. newtoni, S. Buckman,'' Volsella 

 sowerbyana (d'Orb.), Pleuromya sp., 

 Gresslya abducta (Phil.), etc . . 16 



Limestone, massive, often joined on 

 to the bed below ; Trigonia brodiei 

 Lye, Rhyn. cynocephala (Rich.), 

 Astarte elegans Sow., Belemnites 

 spp., /iocn'MMs-ossicles, etc. . . 15 



Limestone, massive . . . . . . 18 



Limestone, massive . . . . . . 22 



Seam of sand, not very conspicuous o 3 



Non-sequence 

 Clay, blue, with curiosly-shaped, hard 

 grey-blue limestone-nodules ; Pero- 

 noceras fibulatum (J. de C. Sow.), 

 Harpoceras subplanatnm (Oppel.) 

 Nuculana ovum (Sow.), Inoceramus 

 dubius, Sow., Orbiculoidea reliexa 

 (Sow.), etc. : 30 to . . . . . . 40 o 



[aciiti 29. Position of " Transition-Bed "]. 



25' 



26rt.- 



26b. 

 2.6c. 

 27. 

 Hemera 



28. 

 brauniani 

 ■fibulati 

 subcarinati 



and 

 falciferi 



C.2 

 ■J o 



spinati Marlstone. 



1 Bed 25 = Block B of Walford, and 



2 Beds 26a, 6, c and 27 = his Block A. „ , „ 



3 " Monogr. Inf. Ool. Aram. Brit. Isles," pt. 2 (1888), pp. 32 and 53 ; Snppl., p. xxxv. Pal. See. 



4 R. F. Tomes recorded from the Coral-Bed (Proc. Geol. Assoc, vol. vi.. No. 4 (1879), pp. 156, 

 etc.), Clausastran conybeari (E. & H.), Isastriea beesleyi. Tomes, /. limitata (Lamx.), /. serialis, 

 E. & H., Latimeandra lolharinga (Michelin), Thamnastraa defranciana (Mich.), Thamnastraa sp., 

 etc. 



