FFEROPODA. 121 



Hyolithes stiletto (Hicks). Theca stiletto, H. Hicks, Q. J. G. S. 

 xxvm (1872), pi. vii, f. 18, 19, p. 180. Menevian Beds; 

 PoHh-y-rhaw, St Davids. 



H. sulcatus (Salter). Theca sulcata, Salter, Cat. (1873), p. 17. 

 Upper Tremadoc; Llanerch. Presented by D. Horn fray, Esq. 



H. trilineatus (Salter). Theca trilineata, Salter, Cat. (1873), 

 p. 18. Base of Upper Tremadoc; Moel-y-gest. Presented by 

 D. Homfray, Esq. 



Stenotheca cornucopia, Salter, Cat. (1873), p. 8. H. Hicks, 

 Q. J. G. S. xxvm (1872), pi. vii, f. li, p. 180. Menevian Beds; 

 PoHh-y-rhaiu, St Davids. 



Theca, v. Hyolithes. 



SCAPHOPODA. 



Dentalium Jeffreys!, J. S. Gardner, Q. J. G. S. xxxiv (1878), 

 pi. iii, f. 30, p. 61. Lower Greeiisand ; Ather field. 



CEPHALOPODA. 



Acanthuteuthis tricarinata, v. Plesioteuthis tricarinata. 



Ammonites acanthonotns, H. G. Seeley, A. M. N. H. ser. 3, xvi 

 (1865), pi. xi, f. .5, p. 234. Malformed individual of A. aurittus, 

 Sowcrby, A. J. Jukes-Browne, Q. J. G. S. XXXIII (1877), 

 p. 491. Gamhiid'je Greensand ; Cambridffe. 



Ammonites (Aegoceras) acuticostatum, T. Wright, Lias Am- 

 monites (1880), pi. XXXV, f. 1 — 3, 7, p. 371. - Lias (zone of A. 

 Jamesoni); Robin Hood's Bay. Leckenby Collection. 



A. alligatus [Bean MS.], J. Leckenby, Q. J. G. S. xv (18.59), pi. ii, 

 f. 2 a, b, p. 9. Kellaways Rock; Scarborauyh Cattle. Leckenby 

 Collection. 



A. (Aegoceras) armatus, Sowerby, T. Wright, Lias Ammonites 

 (1880), pi. xxviii, f. 1—4, p. 340. Lower Lias; Robin Hood's 

 Bay. Leckenby Collection. 



A. (Aegoceras) belcheri, Simpson, T. Wright, Lias Ammonites 



