GASTEROPODA. 115 



Stomatodon poUtus, H. G. Seeley, A. M. N. H. ser. 3, vii (1861), 

 pi. xi, f. 22, p. 293. Cambridge Greensand ; Cambridge. 



Straparolbis costellatus, v. Euomphalus costellatus. 



Tectura tenuistriata (Seeley), J. S. Gardner, Q. J. G. S. 



XXXIII (1877), pi. vii, f. 18, p. 194. Acmcea tenuistriata, H. G. 



Seeley, A. M. N. H. ser. 3, vii (1861), pi. xi, f. 20, p. 292. 



Cambridge Greensand; Cambridge. 

 Terebra nexilis, v. Loxonema nexile. 



Tomatella pyrostoma, H. G. Seeley, A. M. N. H. ser. 3, vii 

 (1861), pi. xi, f. 21, p. 292. Cambridge Oreensand; Cambridge. 



Trichotropis borealis, Broderip and Sowerby, S. V. Wood, Crag 

 MoUusca, I (1848), pi. xix, f. 11 a, b, p. 67. Bridlington Crag ; 

 Bridlington. Leckenby Collection. 



Trochonema bijugosa, Salter, Cat. (1873), p. 156. Wenlock 

 Limestone ; Dudley. Fletcher Collection. 



T. Ijrrata (McCoy). Euomphalus lyratus, F. McCoy, A. M. N. H. 

 ser. 2, X (1852), p. 193, and Contrib. Brit. Pal. (1854), p. 245, 

 and Brit. Palseoz. Foss. (1852), pi. i L, f. 23, p. 298. Cyclonema 

 lyrata, Salter, Cat. (1873), p. 69. Middle Bala; Llansaintffraid, 

 Glyn Ceiiiog. 



T. triporcata (McCoy). Euomphalus triporcatus, F. McCoy, 

 A. M. N. H. ser. 2, x (1852), p. 193, and Contrib. Brit. Pal. 

 (18.54), p. 245, and Brit. Palseoz. Foss. (1852), pi. i K, f. 37 [38 

 missing], p. 299. Middle Bala ; Cyrn-y-brain, Wrexham. 



Trochotoma calix (Phillips), W. H. Hudleston, G. M. dec. 3, ll 

 (1885), p. 157. Dogger; Blue Wyke. Leckenby Collection. 



Trochus acuticarina, Buvignier, W. H. Hudleston, Proc. Geol. 

 Assoc. V (1878), pi. iv, f. 5, p. 476, and G. M. dec. 2, viii 

 (1881), pi. iii, f. 10, p. 57. Coral Rag; Malton. Leckenby 

 Collection. 



T. aytonensis, Blake and Hudleston, W. H. Hudleston, G. M. 

 dec. 2, VIII (1881), pi. iii, f. 12, p. 58. Coralline Oolite; Malton. 

 (Pickering, according to Mr Hudleston.) Leckenby Collection. 



T. burtonensis, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xlv, f. 16, p. 99. Forest Marble; Burton Bradstock. Walton 

 Collection. 



8—2 



