GASTEROPODA. 117 



Trochus strigosus, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 



(1863), pi. xlv, f. 12, p. 29. W. H. Hudleston, G. M. dec. 3, 



II (1885), pi. iii, f. 3, 3 a, 4, p. 124. Cornbrash ; Scarborough. 



Leckenby Collection. 

 T. subglaber, W. H. Hudleston, G. M. dec. 3, n (1885), pi. iii, 



f. 6, 6 a, p. 125. Cornbrash; Scarborough. Leckenby Col- 

 lection. 



T. tollotianus, v. Trochus cancellatus. 

 T. ziziphinus, Linnaeus. T. concavus, J. Sowerby, Min. Conch. 



in (1821), pi. cclxxii, f. 1, p. 127. Coralline Crag ; Orford, 



Suffolk. 

 T. sp. or var, W. H. Hudleston, G. M. dec. 3, n (1885), p. 126 



(footnote). Cornbrash; Scarborough. Leckenby Collection. 

 Trophon craticulatus Fabricius, S. V. Wood, Crag Mollusca 



in (1872), pi. iii, f. 1 a, b, p. 25. Bridlington Crag ; Brid- 



lington. Leckenby Collection. 

 T. sabini, Hancock, S. V. Wood, Crag Mollusca, in (1872), pi. ii, 



f. 15 c, p. 23. Bridlington Crag; Bridlington. Leckenby 



Collection. 

 T. scalariformis, Gould, S. V. Wood, Crag Mollusca, in (1872), 



pi. iii, f. 10 a, b, p. 26. Bridlington Crag; Bridlington. 



Leckenby Collection. This specimen cannot be found. 

 T. ventricosus ? (Gray), S. V. Wood, Crag Mollusca, in (1872), 



pi. iii, f. 4, p. 22. Bridlington Crag ; Bridlington. Leckenby 



Collection. 

 Turbo burtonensis, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 



(1863), pi. xlv, f. 15, p. 100. Forest Marble; Burton Bradstock. 



Walton Collection. The specimen does not agree with the 



figure. 



T. crebristria, v. Cyclonema crebri stria. 

 T. depauperatus (Morris and Lycett), J. Lycett, Supp. Mon. Moll. 



Gt. Ool. etc. (1863), pi. xlv, f. 13, p. 99. Forest Marble; Laycock. 



Walton Collection. 

 T. (Delphinula) funiculatus. Phillips, varieties W. H. Hudleston, 



G. M. dec. 3, n (1885), pi. ii, f. 7, 8, p. 54. Fig. 7, Dogger; 



Blue Wyke. Fig. 8, Cornbrash ; Scarborough. Leckenby Collec 



tion. 



