LAMELLIBRANCHIATA. 83 
Nucula planata, Deshayes, J. S. Gardner, Q. J. G. S. xt (1884), 
pl. v, f. 1, 2, 3, p. 126. Fig. 1, Lower Greensand ; Atherfield. 
Figs. 2 and 3, Speeton Clay ; Speeton. Leckenby Collection. 
N. pullastriformis, F. McCoy, Brit. Paleeoz. Foss. (1852), p. 397. 
Pullastra antiqua, J. de C. Sowerby, Trans. Geol. Soe. ser, 2, V 
(1840), pl. li, f. 28. Upper Devonian ; Marwood. 
N. rhomboidea, H. G. Seeley, A. M. N. H. ser. 3, vit (1861), 
pl. vi, f. 5, p. 120. Cambridge Greensand ; Cambridge. 
N. subelliptica, H. G. Seeley, A. M. N. H. ser. 3, vir (1861), 
pl. vi, f. 4, p. 120. Cambridge Greensand ; Cambridge.  Pre- 
sented by J. Carter, Esq., F.G.S. 
Nuculites poststriatus, vy. Ctenodonta poststriata. 
Opis leckenbyi, Wright, J. Lycett, Supp. Mon. Moll. Gt. Ool. 
ete. (1863), pl. xxxvil, f.9, 9 a, p.61. Cornbrash ; Scarborough. 
Leckenby Collection. 
O. luciensis, d’Orbigny, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. 
(1863), pl. xl, f. 19, 19 a, p. 62. Great Oolite; Box Tunnel, 
near Bath. Walton Collection. 
O. neocomiensis, d’Orbigny, W. Keeping, Foss. Upware and 
Brickhill (1883), pl. vi, f. 8 a—ec, p. 121. Lower Greensand ; 
Upware. 
Orthonota affinis (McCoy). Tellinites affinis, F. McCoy, A. 
M. N. H. ser. 2, vit (1851), p. 51, and Contrib. Brit. Pal. (1854), 
p- 186, and Brit. Palzoz. Foss. (1852), pl. i kK, f 31, p. 286. 
Upper Ludlow ; Benson Knot, Kendal. 
O. angulifera (McCoy). Sanguwinolites anguliferus, F. McCoy, 
A. M. N. H. ser. 2, vit (1851), p. 56, and Contrib. Brit. Pal. 
(1854), p. 191, and Brit. Paleeoz. Foss. (1852), pl. ik, f. 19, 20 
p. 276. Upper Ludlow ; Benson Knot, Kendal. 
O. decipiens (McCoy). Sanguinolites decipiens, F. McCoy, Brit. 
Paleoz. Foss. (1852), pl. i 1, f. 24, p. 277. Upper Ludlow; 
Benson Knot. 
O. globulosa (McCoy). Leptodomus globulosus, F. McCoy, A. M. 
N. H. ser. 2, vit (1851), p. 57, and Contrib. Brit. Pal. (1854), 
p. 192; and Brit:) Paleeoz: ‘Foss: (1852), pl! 1 K, £11, 11 a, 
p. 278. Upper Ludlow ; Tenterfell, Kendal. 
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