LAMELI.IBRANCHIATA. 69 



Anodontopsis quadrata, F. McCoy, A. M. N. H. ser. 2, vii 

 (1851), p. .55, and Contrib. Brit. Pal. (1854), p. 190, and Brit. 

 Palseoz. Foss. (1852), pi. i K, f. 10, p. 272. Palcearca diagona, 

 Salter, Cat. (1873), p. 190. Upper Ludlow Tilestones; Storm 

 Hill, Llandeilo. 



A. securiformis, F. McCoy, A. M. N. H. ser. 2, vii (1851), p. 55, 

 and Contrib. Brit. Pal. (1854), p. 190, and Brit. Palaeoz. Foss. 

 (1852), pi. i L, f. 9, 9 a, p. 272. Pseudaxinus securiformis, 

 Salter, Cat. (1873), p. 183. Upper Ludlow; Benson Knot, 

 Kendal. 



Anomia papyracea, d'Orbigny, var. burwellensis, R. Ethe- 

 ridge. Appendix to W. H. Penning and A. J. Jukes-Browne, 

 Geol. Cambridge (1881), pi. iii. f. 3, 4, p. 145. Lower Chalk 

 {Totteiiihoe Stone); Burwell. 



Area carteroni, d'Orbigny, W. Keeping, Foss. Upware and 



Brickhill (1883), pi. v, f. 7 a, h, p. 114. Lower Greensand; 



Upiuare. 

 A. edmondiiformis, F. McCoy, A. M. N. H. ser. 2, vii (1851), 



p. 52, and Contrib. Brit. Pal. (1854), p. 187, and Brit. Palseoz. 



Foss. (1852), pi. i K, f. 2, 3, p. 283. Fig. 2 from Denbigh Flags, 



near Liang ynyiv ; fig. Sfrom the Middle Bala, Allt-yr-Gader. 

 A. laekeniana, Le Hon, var. cylindrica, S. V. Wood, Eoc. 



Bivalves I (1864), pi. xv, f. 7 c, p. 80. Bracklesham Beds; 



Hnntinghridge. Fisher Collection. This specimen is missing. 

 A. (Byssoarca) subaequalis, F. McCoy, A. M. N. H. ser. 2, vii 



(1851), p. 51, and Contrib. Brit. Pal. (1854), p. 186, and Brit. 



Palffioz. Foss. (1852), pi. i k, f. 1, 1 a, p. 283. Gtenodonta 



subcequalis, Salter, Cat. (1873), p. 190. Upper Ludlow; Llech- 



clawdd, Myddfai, near Llandovery. 

 A. ? sulcata v. Inoceramus sulcatus. 

 Astarte ajrtonensis [Bean MS.], J. Lycett, Supp. Mon. Moll. 



Great Ool. etc. (1863), pi. xl, f. 13, p. 78. Great Oolite; Combe 



Down, near Bath. Walton Collection. 



Another specimen, J. F. Blake and W. H. Hudleston, Q. J. 



G. S. XXXIII (1877), pi. xiv, f. 11, p. 397. Coralline Oolite; 



Ayton, near Scarborough. Leckenby Collection. 

 A. bathonica, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 



