LAMELLIBRANCHIATA. 87 



Pectunculus sublaevis, Sowerby, W. Keeping, Foss. Upware and 



Brickhill (1883), pi. v, f. 9 a, b, c, p. 115. Lower Greensand; 



Upware. '. %-.-. 



Perna lanceolata. Geinitz, H. G. Seeley, A. M. N. H. ser. 3, vii 



(1861), p. 122. Cambridge Greensand; Cambridge. Presented 



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

 P. lissa, H. G. Seeley, A. M. N. H. ser. 3, xvn (1866), p. 178. 



Red Chalk ; Hunstanton. 



P. mytiloides, Lamarck, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 



(1863), pl.xxxii,f. 3, p. 112. Forest Marble ; Farleigh. Walton 



Collection. 

 P. obliqua [Walton MS.], J. Lycett, Supp. Mon. Moll. Gt. Ool. 



etc. (1863), pi. xxxiv, f. 2, 2 a, p. 112. Forest Marble; Gas- 



tard, Wiltshire. Walton Collection. 



P. oblonga, H. G. Seeley, A. M. N. H. ser. 3, vn (1861), pi. vi, 

 f. 6, p. 121. Cambridge Greensand; Cambridge. 



P. rugosa, Goldfuss, var., J. Morris and J. Lycett, Mollusca Gt. 

 Ool. part ii (1853), pi. xiv, f. 16, p. 128. Grey Limestone; 

 Cloughton Wyke, near Scarborough. Leckenby Collection. 



P. semielliptica, H. G. Seeley, A. M. N. H. ser. 3, vn (1861), 

 pi. vi, f. 7, p. 121. Cambridge Greensand; Cambridge. Pre- 

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



P. transversa, H. G. Seeley, A. M. N. H. ser. 3, xvn (1866), 

 p. 179. Red Chalk; Hunstanton, 



Pholadomya bellula, G. F. Whidborne, Q. J. G. S. xxxix (1883), 

 pi. xix, f. 10, 10 a, p. 534. Inferior Oolite; Bradford Abbas. 

 Presented by the Rev. G. F. Whidborne. 



P. callaea, G. F. Whidborne, Q. J. G. S. xxxix (1883), pi. xix, 



f. 7, 7 a, p. 532. Inferior Oolite ; Dundry. Presented by the 



Rev. G. F. Whidborne, M.A. 

 P. decussata (Mantell) var. triangulata, H. G. Seeley, A. M. 



N. H. ser. 3, vii (1861), p. 122. Cambridge Greensand; 



Cambridge. , 



P. fortis, G. F. Whidborne, Q. J. G. S. xxxix (1883), pi. xix, f. 8, 



p. 533. Inferior Oolite ; Dtuidry. Presented by the Rev. G. 



F. Whidborue. 



