94 GASTEROPODA. 



Actaeonina fasciata. J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 

 (1863), pi. xliv, f. 15, p. 107. Forest Marble; Laycock. Walton 

 Collection. 



A. humeralis (Phillips), W. H. Hudleston, G. M. dec. 3, n (1885), 

 p. 202. Dogger Series ; Blue Wyke. Leckenby Collection. 



A. luidi (Lhwyd), J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xli, f. 18, 18 a, b, c, p. 106. Forest Marble; Laycock. 

 Walton Collection. 



A. olivaeformis (Dunker), J. Lycett, Supp. Mon. Moll. Gt. Ool. 

 etc. (1863), pi. xli, f. 4, 4 a. Forest Marble; Laycock. Walton 

 Collection. 



A. scarburgensis, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xxxi, f. 13, 13 a, p. 28. Cornbrash; Scarborough. Leckenby 

 Collection. 



Another specimen, ventricose variety, W. H. Hudleston. 

 G. M. dec. 3, n (1885), p. 204. Cornbrash; Scarborough. 

 Leckenby Collection. 



A. suessea, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xlv, f. 29, p. 107. Forest Marble; Laycock. Walton 

 Collection. 



A. wilton en sis. J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xlv, f. 25, p. 107. Forest Marble; Laycock. Walton Col- 

 lection. 



Alaria arenosa, W. H. Hudleston, G. M. dec. 3, I (1884), pi. vii, 

 f. 7, p. 198, and Brit. Jurass. Gasterop. Inf. Ool. (1888), pi. iv, 

 f. 1, p. 110. Dogger Sands; Blue Wyke. Leckenby Collection. 



A. bispinosa (Phillips), W. H. Hudleston, G. M. dec. 2, vii 

 (1880), pi. xvii, f. 6 c, p. 533. Lower Calcareous Grit ; Cayton 

 Bay. Leckenby Collection. 



A. bispinosa (Phillips) var. elegans, W. H. Hudleston, G. M. dec. 

 3, I (1884), pi. vi, f. 8, 8 a, p. 152. Cornbrash; Scarborough. 

 Leckenby Collection. 



A. bispinosa (Phillips) var. pinguis, W. H. Hudleston, G. M. 

 dec. 3, i (1884), pi. vi, f. 9, 9 a, 10, 10 a, pp. 1523. Kella- 

 ways Rock ; Scarborough. Leckenby Collection. 



A. hamus (Deslongchamps) var. phillipsi (d'Orbigny), W. H. 



