part 1] OF THE SHALES-WFTH-'BEEF.' 61 



A. ceratitoides Quenstedt ('Ammoniten cles Schwab- 

 isclien Jura ' 1883, pi. xiii, fig. 7 only J ; 2633. 



71 f. 1 inch. Impersistent beef. 



71 e. 28 inches. Bedded marl, with occasional small, flat,, 

 circular discs of barytes, exhibiting radial structure. 

 Arnioceras sp. cf. semicostatum ; 4637-42. 



71 d. 1 inch. Impersistent beef. 



71 c. 1 inch. Friable marl. 



71 b. 6 inches. Small lenticles in limy conchoidal marl, passing 

 into 71 a. 



71a. Reef 18. 1 foot. Indurated marl. Arnioceras sp. cf. 

 semicostatum ; 4358, 4643, 4359-65. Arnioceras sp. 

 cf. nigrum; 4645. Arnioceras sp. ; 4287. Belemnites 

 sp. ; 4945. ? Avicula sp. ; 4366. Avicula sp. ; 4646. 

 Ichthyosaurus sp., coprolites ; 4036. 



70 h. 6 inches. Conchoidal marl. Arnioceras sp. cf . nodu- 

 losum ; 4647. ? Avicula sp. ; 4648. 



70 g. 3 inches. Irregular beef. 



70 f . 8 inches. Small lenticles in conchoidal marl. 



70 e. 1 inch. Beef. 



70 d. 2 inches. Conchoidal marl. 



70 c. Paramioceras- alcinoe Bed. 1 inch. Friable marl and 

 putty-marl. Beds from 69 b to 70 c can be traced 

 (though poorly sbown) eastwards of Reef 14 and as far 

 as the fault immediately west of Beef 15 (see fig. 1, 

 p. 50). Large Paramioceras alcinoe may be found in 

 and obtained from 70 c, on the reefs immediately east 

 of Beef 17, by pulling at the plants of Fucus. Where 

 several of these are growing on the surface of a large 

 P. alcinoe, big pieces of the fossil come away with the 

 seaweed still attached thereto. Arnioceras sp. cf. 

 bodleyi; 2796, 4027, 4234-30a, 4651, 4653-54. Arnio- 

 ceras sp. cf. ceratitoides ; 2562. Arnioceras sp. cf. 

 mendax var. rariplicata ; 2564, 2598-99. Arnioceras 

 sp. cf . speciosum ; 2563, 2784, 4655-57. Arnioceras 

 sp. ? cf. miserabile auctt., non Quenstedt ; 2785. 

 Arnioceras spp. ; 2564, 2568, 4232-33. Paramio- 

 ceras alcinoe; 2600, 2590, 3982-83, 4242-43, 2713, 

 4412, 4519, 4652. Paramioceras sp. aff . alcinoe ; 

 4241, 4521, 5398. Paramioceras sp. nov. aff . alcinoe; 

 4853, 3980. Paramioceras sp. aff. compressaries 

 Quenstedt, pars; 2615. 4238-40. Paramioceras 

 sp. nov. ; 3981, 4520. Paramioceras sp. cf. breoni; 

 4649. Paramioceras spp. ; 2572, 4026, 4028, 5397. 

 ? Agassiceras sp. cf . terquemi ; 4029. ? Agassiceras 

 sp. cf . reynesi Spath ; 4236. Nautilus sp. ; 4658. 

 Belemnites acutus Fhillips non Miller; 4040, 4025, 

 4032, 4659-63. Ostrea sp. ; 2797. Gryphcea sp. 

 cf. G. arcuata Dumortier (non Lamarck), 1864, 'Etudes 

 Pal. . . . Bassin du Rhone ' vol. i, p. 83 & pi. xiii, figs. 4-5 



