124 CEPHALOPODA. 
Ammonites (Aegoceras) planorbis, Sowerby, T. Wright, Lias 
A. 
A. 
A. 
Ammonites (1879), pl. xiv, f. 1, 2, p. 8308. Lower Lias (zone of 
A. planorbis); Robin Hood’s Bay. Leckenby Collection. 
planulatus, Sowerby, var. mayorianus, d’Orbigny, H. G. 
Seeley, A. M. N. H. ser. 3, xvi (1865), p. 229. Cambridge 
Greensand ; Cambridge. 
. poculum [Bean MS.], J. Leckenby, Q. J. G.S. xv (1859), pl. 1, 
f. 4 a, b, c, p. 9. Kellaways Rock; near Gristhorpe Bay. 
Leckenby Collection. 
 putealis [Bean MS.], J. Leckenby, Q. J. G. 8. xv (1859), pl. ii, 
f. 3 a, b,c, p. 11. Kellaways Rock; the Castle Rock, Scar- 
borough. Leckenby Collection. 
. renauxianus, d’Orbigny, var., H. G. Seeley, A. M. N. H. ser. 3, 
XVI (1865), pl. xi, £6, p. 243. Cambridge Greensand ; Cam- 
bridge. 
. reversus [Simpson MS.], J. Leckenby, Q. J. G. 8S. xv (1859), 
pl. i, f. 2, p.9. HKellaways Rock; the Castle Rock, Scarborough. 
Leckenby Collection. 
. rhamnonotus, H. G. Seeley, A. M. N. H. ser. 3, xvi (1865), 
pl. xi, f. 7, p. 233. A. J. Jukes-Browne, Q. J. G. 8S. XxxmI 
(1877), p. 490. Cambridge Greensand ; Cambridge. 
. rugosus, J. Leckenby, Q. J. G.S. xv (1859), p. 9. Kellaways 
Rock ; near Gristhorpe Bay. Leckenby Collection. 
sexangulatus, H. G. Seeley, A. M. N. H. ser. 3, xvi (1865), 
pl. xi, f. 1, p. 283. Cambridge Greensand ; Cambridge. 
spherotus, H. G. Seeley, A. M. N. H. ser. 3, xvit (1866), 
p. 175. Red Chalk ; Hunstanton. 
A.(Amaltheus) simpsoni [Bean MS.], T. Wright, Lias Ammonites 
A. 
(1881), pl. xlvii, f 47, p. 392. Laas (zone of A. oxynotus) ; 
Robin Hood’s Bay. Leckenby Collection. 
(Olcostephanus) stenomphalus, A. Pavlow, Bull. Soc. Imp. 
Nat. Mosc. (1889), pl. in, f. 1, p. 59. Lower Greensand ; 
Donnington. 
A. timotheanus, Pictet, H. G. Seeley, A. M. N. H. ser. 3, Xv1 
(1865), p. 228. Cambridge Greensand ; Cambridge. Presented 
by J. Carter, Esq., F.G.S. 
