82 T.AMELLIBRANCHIATA. 



Modiolopsis postlineata, F. McCoy, A. M. N. H. ser. 2, vii 

 (1851), p. 58, and Contrib. Brit. Pal. (1854), p. 193, and Brit. 

 Palffioz. Foss. (1852), pi. i i, f. 22, p. 268. Middle Bala; 

 AUt-yr-Anker, Meifod. 



M. solvensis, H. Hicks, Q. J. G. S. xxix (1873), pi. v, f. 18, p. 50. 

 Tr-emadoc Beds ; Ramsey Island. Presented by Dr H. Hicks. 



Myacites modica (Bean), J. Lycett, Supp. Mon. Moll. Gt. Ool. 

 etc. (1863), ]A. xliii, f. 1, 1 a, p. 83. Gornhrash ; Scarborotigh. 

 Leckenby Collection. 



M. recurvum (Phillips), J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 

 (1863), pi. xxxvi, f. 4, 4 a, p. 81. Gornhrash; Scarborough. 

 Leckenby Collection. 



M. sinistra (Agassiz), J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 

 (1863), pi. XXXV, f. 17 a, b, p. 82. Gornhrash; Scarborough. 

 Leckenby Collection. 



M. subsidens, G. F. Whidbome, Q. J. G. S. xxxix (1883), pi. 

 xviii, f. 24, 24 a, p. 535. Inferior Oolite ; Bundry. Presented 

 by the Rev. G. F. Whidbome, M.A. 



Myoconcha implana, G. F. Whidbome, Rep. Brit. Assoc. (1882), 

 p. 534, and Q. J. G. S. xxxix (1883), pi. xviii, f. 22, pi. xix, 

 f. 5, p. 530. Inferior Oolite; Bradford Abbas. Presented by 

 the Rev. G. F. Whidbome. 



Mytilus (Modiola) cuneatus, Sowerby, J. Morris and J. Lycett, 

 Mollusca Gt. Ool. part ii (1853), pi. xiv, f. 8, p. 131. Millepore 

 Bed; Stainton Dale Cliffs, inear Scarborough. Leckenby Collec- 

 tion. 



M. (Modiola) leckenbyi, J. Morris and J. Lycett, Mollusca Gt. 

 Ool. part ii (1853), pi. xiv, f. 9, p. 131. Millepore Bed; Stain- 

 ton Dale Gliffs, near Scarbormigh. Leckenby Collection. 



Mytilus minimus, Salter, Cat. (1873), p. 182. Upper Ludlotv ; 

 Lesmahagow. 



Nucula bivirgata, Sowerby, A. J. Jukes-Browne, Q. J. G. S. 

 xxxi (1875), pi. XV, f. 6, p. 299. Gambridge Greensand; 

 Gambridge. 



N. cornueliana, d'Orbigny, J. S. Gardner, Q. J. G. S. XL (1884), 

 pi. V, f. 5, 6, p. 129. Lower Greensand; Benniworth. 



N. levata, v. Ctenodonta levata. 



