122 CEPHALOPODA. 
(1879), pl. xv, f. 7—9, p. 313. Lower Lias (zone of A. pla- 
norbis) ; Robin Hood’s Bay. Leckenby Collection. 
Ammonites biplex, Sowerby, W. Keeping, Foss. Upware and 
Brickhill (1883), pl. viii, f 11, p. 155. Lower Greensand 
(derived); Upware. 
A. (Aegoceras) capricornus, Schlotheim, T. Wright, Lias Am- 
monites (1880), pl. xxxiv, f. 1—8, p. 368. Middle Lias ; Robin 
Hood's Bay. Lueckenby Collection. 
A. celonotus, H. G. Seeley, A. M. N. H. ser. 3, xvi (1865), pl. x, 
f. 2, p. 237. Cambridge Greensand ; Cambridge. 
A. celonotus, Seeley, var. valbonnensis, Hébert and Munier- 
Chalmas, A. J. Jukes-Browne, Q. J. G. S. xxxut (1877), p. 491. 
A. celonotus, var., H. G. Seeley, A. M. N. H. xvi (1865), pl. x, 
f. 3, p. 237. Cambridge Greensand ; Cambridge. 
A. (Arietites) collenotti, d’Orbigny, T. Wright, Lias Ammonites 
(1881), pl. vi, £1, pl. xxii a, f. 6—9, pl. xxi B, f. 1—3, p. 304. 
The specimen figured pl. vi, f. 1 cannot be found. Lower Lias ; 
Robin Hood's Bay, near Whitby. Leckenby Collection. 
A. cornuelianus, d’Orbigny, W. Keeping, Foss. Upware and 
Brickhill (1883), pl. i, f£. 9 a—e, p. 89. Lower Greensand ; 
Upware. 
A. cratus, H. G. Seeley, A. M. N. H. ser. 3, xvi (1865), pl. xi, fi 2, 
p- 240. Cambridge Greensand ; Cambridge. 
A. (Aegoceras) curvicornis, Schloenbach, T. Wright, Lias 
Ammonites (1880), pl. xxxi, f 3, 4, p. 377. Middle Inas ; 
Charmouth. Leckenby Collection. 
A. (Aegoceras) daveei, Sowerby, T. Wright, Lias Ammonites 
(1880), pl. xxxi, f. 1, 2, p. 346. Middle Lias; Golden Cap, near 
Chideock. Leckenby Collection. 
A. deshayesi, Leymerie, W. Keeping, Foss. Upware and Brick- 
hill (1883), pl. ii, f. 1, p. 90. Lower Greensand ; Upware. 
A. glossonotus, H. G. Seeley, A. M. N. H. ser. 3, xvr (1865), pl. x, 
f. 4, p. 235. Cambridge Greensand ; Ashwell. 
A. gowerianus, Sowerby, J. Leckenby, Q. J. G. 8S. xv (1859), 
pli, f16,p.9. Kellaways Rock; Red Cliff, near Scarborough. 
Leckenby Collection. 
