LAMELLIBRANCHIATA. 83 



Nucula planata, Deshayes, J. S. Gardner, Q. J. G. S. XL (1884), 

 pi. V, f. 1, 2, 3, p. 126. Fig. 1, Lmvei- Greensand ; Atherfield. 

 Figs. 2 and 3, Speeton Clay ; Speeton. Leckenby Collection. 



N. puUastriformis, F. McCoy, Brit. Palseoz. Foss. (18.52), p. 397. 

 Pidlastra antiqua, J. de C. Sowerby, Trans. Geol. Soc. ser. 2, V 

 (1840), pi. liii, f. 28. Upper Devonian ; Marwood. 



N. rhomboidea, H. G. Seeley, A. M. N. H. ser. 3, vii (1861), 

 pi. vi, f. 5, p. 120. Cambridge Greensand; Cambridge. 



N. subelliptica, H. G. Seeley, A. M. N. H. ser. 3, vii (1861), 

 pi. vi, f. 4, p. 120. Cambridge Greensand; Cambridge. Pre- 

 sented by J. Carter, Esq., F.G.S. 



Nuculites poststriatus, v. Ctenodonta poststriata. 



Opis leckenbyi, Wright, J. Lycett, Supp. Mon. Moll. Gt. Ool. 



etc. (1863), pi. xxxvii, f. 9, 9 a, p. 61. Gornbrash; Scarborough. 



Leckenby Collection. 



O. luciensis, d'Orbigny, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 

 (1863), pi. xl, f. 19, 19 a, p. 62. Great Oolite; Box Tunnel, 

 vear Bath. Walton Collection. 



O. neocomiensis, d'Orbigny, W. Keeping, Foss. Upware and 

 Brickhill (1883), pi. vi, f. 8 a—c, p. 121. Lo7ver Greensand; 

 Upiuare. 



Orthonota affinis (McCoy). Tellinites affinis, F. McCoy, A. 

 M. X. H. ser. 2, vii (18.51), p. 51, and Contrib. Brit. Pal. (1854), 

 p. 186, and Brit. Pateoz. Foss. (1852), pi. i k, f. 31, p. 286. 

 Upj)er Ludlow ; Benson Knot, Kendal. 



O. ang^lifera (McCoy). Sanguinolites anguliferus, F. McCoy, 

 A. M. N. H. ser. 2, vii (1851), p. 56, and Contrib. Brit. Pal. 

 (1854), p. 191, and Brit. Paloeoz. Foss. (1852), pi. i k, f. 19, 20 

 p. 276. Upper Ludlow ; Benson Knot, Kendal. 



O. decipiens (McCoy). Sanguinolites decipiens, F. McCoy, Brit. 

 Paheoz. Foss. (18.52), pi. i i, f. 24, p. 277. Ujyjyer Ludlow; 

 Benson Knot. 



O. globulosa (McCoy). Leptodo7nu.<i globulo.sus, F. McCoy, A. M. 

 N. H. sei'. 2, VII (1851), p. ,57, and Contrib. Brit. Pal. (18,54), 

 p. 192, and Brit. Palffioz. Foss. (18.52), pi. i k, f. 11, 11 «, 

 p. 278. Upper Ludlow ; Tenter/ell, Kendal. 



6—2 



