GASTEROPODA. ERG 
Trochus strigosus, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. 
(1863), pl. xlv, f. 12, p. 29. W.H. Hudleston, G. M. dec. 3, 
Ir (1885), pl. 1, f. 3,3 a, 4, p. 124. Cornbrash ; Scarborough. 
Leckenby Collection. 
T. subglaber, W. H. Hudleston, G. M. dec. 3, m (1885), pl. iti, 
f. 6, 6 a, p. 125. Cornbrash; Scarborough. Leckenby Col- 
lection. 
T. tollotianus, v. Trochus cancellatus. 
T. ziziphinus, Linneus. 7. concavus, J. Sowerby, Min. Conch. 
I (1821), pl. cclxxu, f. 1, p. 127. Coralline Crag ; Orford, 
Suffolk. 
T. sp. or var., W. H. Hudleston, G. M. dec. 3, m1 (1885), p. 126 
(footnote). Cornbrash ; Scarborough. Leckenby Collection. 
Trophon craticulatus, Fabricius, S. V. Wood, Crag Mollusca 
tt (1872), pl. ui, f. 1 a, b, p. 25. Bridlington Crag ; Brid- 
lington. Leckenby Collection. 
T. sabini, Hancock, S. V. Wood, Crag Mollusca, 11 (1872), pl. ii, 
f. 15 c, p. 23. Bridlington Crag; Bridlington. Leckenby 
Collection. 
T. scalariformis, Gould, S. V. Wood, Crag Mollusca, 111 (1872), 
pl. m, f 10 a, b, p. 26. Bridlington Crag; Bridlington. 
Leckenby Collection. This specimen cannot be found. 
T. ventricosus? (Gray), S. V. Wood, Crag Mollusca, m1 (1872), 
pl. i, f. 4, p. 22. Bridlington Crag ; Bridlington. Leckenby 
Collection. 
Turbo burtonensis, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. 
(1863), pl. xlv, f. 15, p. 100. Forest Marble; Burton Bradstock. 
Walton Collection. The specimen does not agree with the 
figure. 
T. crebristria, v. Cyclonema crebristria. 
T. depauperatus (Morris and Lycett), J. Lycett, Supp. Mon. Moll. 
Gt. Ool. ete. (1863), pl. xlv, f. 13, p.99. Forest Marble; Laycock. 
Walton Collection. 
T. (Delphinula) funiculatus, Phillips, varieties W. H. Hudleston, 
G. M. dec. 3, 11 (1885), pl. u, f. 7, 8, p. 54. Mig. 7, Dogger ; 
Blue Wyke. Fig. 8, Cornbrash ; Scarborough. Leckenby Collec 
tion. 
