64 DR. W. D. LANG ON THE STRATIGRAPHY [vol. lxxix, 



60 f . 9 inches. Fine conchoidal to bedded marl. Arnioceras 

 sp. cf. nodulosum; 4726, 4735. A. sp. cf. oblique- 

 costatum; 4712-13, 4716. A. sp. cf. arnouldi; 4723- 

 53. Arnioceras sp. ; 4708, 4711, 4714-15, 4727-29, 

 4731-34. Agassiceras sp. ; 4709, 4710, 4842. ? Avi- 

 cula sp. ; 4717-18. 



60 e. 2 inches. Beef-strings in marl. Arnioceras spp. ; 

 4323-31, 4382. Lima sp. ; 4332. 



60 d. 8 inches. Fine conchoidal to bedded marl. Arnioceras 

 sp. ? cf. anomaliferum ; 4745, 4747-51. A. sp. ? cf. 

 falcaries ; 4746. Agassiceras sp. cf . striaries ; 4742, 

 4744. A. sauzeanum ; 4743. flagiostoma sp. ; 4737. 

 ? Avicula sp. ; 4736, 4738-41. 



60 c. 2 inches. A double layer of 'short-rock,' separated by fine 

 conchoidal marl. 



60 b. 5 inches. Fine conchoidal marl. Agassiceras sp. ; 

 4375-79, 4752. ? Avicula sp. ; 4380. Brachiopod, 

 4381. 



60a. Beef 7. 3 inches. 'Short-rock.' A Yery conspicuous 

 reef, forming a distinct line near the base of the cliff 

 beneath Black Ven. Arnioceras sp. cf . obliquecostatum ; 

 2793, 3061-62, 3064-66. A. sp. cf . arnotcldi ; 3063. 

 A. sp. cf . speciosum ; 2792. Agassiceras spinaries ; 

 4401. JPlagiostoma sp. ; 3067. Ostrea sp., encrusting 

 ammonite ; 3068. 



59 f. 6 inches. Fine conchoidal marl. Belemnites acutus 

 Fhillips. non Miller ; 4754. 



59 e. 1 inch. Beef. Arnioceras sp. cf . obliquecostatum ; 

 4394. A. sp. ? cf. arnouldi; 4393. 



59 d. 4g inches. Yery fine, rather dark, conchoidal marl. 



59 c. k inch. Beef. 



59 b. 10 inches. Very fine, dark, conchoidal marl. Arnioceras 

 sp. cf. obliquecostatum ; 4754. Agassiceras sp. ; 4755. 



59 a. Reef 6. 2 inches. Very pale calcareous marl, with some 

 friable marl and putty-marl. Conspicuous at the cliff- 

 foot beneath Black Ven. Arnioceras sp. cf. oblique- 

 costatum ; 3045, 3049. A. sp. cf . ' mendax var. rari- 

 plicata'' ; 3047.. Arnioceras sp. ; 3046. Agassiceras 

 spinaries ; 4756-59. Avicula sp. ; 3051-54. JPlagio- 

 stoma functatum James Sowerby ; 4769-70, 4768, 

 4771, 3055. Ostrea sp.; 4760-65. ? Avicula sp. ; 

 3058-60. Rhynchonella sp. ; 4766-67. Myriacanthus 

 sp. ; 3044. 



58 b. 6 inches. Fine conchoidal marl. Arnioceras sp. ; 4772. 



58 a, Beef 5. 1 inch. Beef and marl. Arnioceras sp. cf. 

 obliquecostatum ; 3040-42. Arnioceras sp, ;■ 3038-39. 



57 b. 2 inches. Fine conchoidal marl. Arnioceras sp. cf. 

 obliquecostatum ; 4374. Arnioceras sp. ; 4773-74, 

 4776. Agassiceras sp. cf. striaries ; 4775. Plagio- 

 stoma sp. 4777-78. ? Avicula sp. ; 4779-81. Avicula 

 sp. ; 3037. Ostrea sp., encrusting ammonite ; 3035. 



