120 PTEROPODA. 



Conularia llanvirnensis, H. Hicks, Q. J. G. S. xxxi (1875), 

 pi. xi, f. 5, 6, p. 189. Llanvirn Beds; Llanvirn Quarry. 

 Presented by Dr H. Hicks, F.R.S. 



C. subtilis, J. W. Salter, Appendix to F. McCoy, Brit. Palseoz. 

 Foss. (1855), p. vi. F. McCoy, ibid. (1852), pi. i L, f. 24, 24 a, 

 p. 288. Upper Ludlow ; Benson Knot, Kendal. 



Creseis primceva, v. Orthoceras primsevum. 

 C. sedgwicki, v. Orthoceras subundulatum. 



Cyrtotheca hamula, H. Hicks, Q. J. G. S. xxvm (1872), pi. vii, 

 f. 14, p. 179. Menevian Beds; Porth-y-rhaw, St Davids. 



Graptotheca catenulata, Salter, Cat. (1873), p. 171. Lower 



Ludlow ; Leintwardine. 



Hyolithes antiquus (Hicks). Theca antiqua, H. Hicks, Q. J. G. 

 S. xxvii (1871), pi. xvi, f. 13, p. 400. Harlech Beds; St 

 Davids. Presented by Dr H. Hicks. 



H. caereesiensis (Hicks). Theca caereesiensis, H. Hicks, Q. J. 

 G. S. xxxi (1875), pi. xi, f. 7, p. 189. Llanvirn Beds; 

 Llanvirn Quarry. Presented by Dr H. Hicks. 



H. corrugatus (Salter). Theca corrugata, Salter, H. Hicks, Q. J. 

 G. S. xxvm (1872), pi. vii, f. 17. Menevian Beds; Porth-y-rhaw, 

 St Davids. 



H. davidi (Hicks). Theca davidi, H. Hicks, Q. J. G. S. xxix 

 (1873), pi. iii, f. 28, p. 50. Tremadoc Beds; Ramsey Island. 

 Presented by Dr H. Hicks. 



H. harknessi (Hicks). Theca harknessi, H. Hicks, in Salter, Cat. 

 (1873), p. 24. H. Hicks, Q. J. G. S. xxxi (1875), pi. x, f. 11, 

 p. 189. Middle Arenig; Whitesand Bay. Presented by Dr 

 H. Hicks. 



H. homft-ayi (Salter). Theca homfrayi, Salter, Cat. (1873), p. 8. 

 Menevian Beds ; Tyddyngwladis, near Dolgelly. Presented by 

 D. Horn fray, Esq. 



H. penultimus (Hicks). Theca penultima, H. Hicks, Rep. Brit. 

 Assoc. (1865), p. 285, and Q. J. G. S. xxvm (1872), pi. vii, 

 f. 15, 16, p. 180. Menevian Beds; Porth-y-rhaw, St Davids. 



