PLATE XXIX. 
N.B. 1. About half the figures are drawn from photographs, more or less enlarged. 
N.B. 2. All specimens are from my Collection unless otherwise stated. 
Fig. 
IF 
2. 
? Turbo levigatus, Phillips. Lincolnshire Limestone, Weldon. Front and back 
x 23. (Page 354.) 
Turbo ‘ paludinoides.”” Concavus-bed, Bradford Abbas. Back and front. 
(Page 355.) 
. Turbo (2 Ataphrus) Lindecolinus, sp. nov. Base of Lincolnshire Limestone, 
Lincoln. Front x 23. (Page 355.) 
4, The same (another specimen). Same horizon and locality. Back x 25. 
. Ataphrus levigatus, Sowerby. Concavus-bed, Bradford Abbas. Front and 
back x 13. (Page 349.) | 
. The same; variety approaching Ataphrus Belus, @Orb. Lincolnshire Lime- 
stone, Weldon. Front and back x 13. 
. Ataphrus obtortus, sp. nov. Inferior Oolite, Beaminster. Front and back 
x 13. (Page 350.) 
. The same. Burton Bradstock, horizon unknown. Back and front x 12. 
. Ataphrus Labadyei, @ Archiac. Bradford Abbas, ? Concavus-bed. Front and 
back x 13. (Page 350.) 
. The same; wider-angled variety. Pea-grit, Holcomb. Front and back x 13. 
. Ataphrus Acmon, @’Orbigny ; wide-angled variety. Parkinsoni-zone, Burton 
Bradstock. Front and back x 1#. (Page 351.) 
. The same; Neritoid variety. Parkisoni-zone, Burton Bradstock. Front and 
back x 12. 
. The same; variety from Hook Norton, approaching Monodonta papilla, Héb. 
and Desl. Front xX 2. 
. Ataphrus Acis, @’Orbigny (? Trochus Ibbetsoni, Morris and Lycett). Burton 
Bradstock, probably from the Parkinsoni-zone. X 12. (Page 352.) 
. © Trochus”’ attrochus, sp. nov. Concavus-bed, Bradford Abbas. Front x 43. 
(Page 390.) 
. The same; variety from Beaminster. Front x 45. 
. Monodonta pisolitica, sp. nov. Pea-grit, Leckhampton. Front and back 
x 24. (Page 356.) 
. ? The same; specimen modified by age. Same horizon and locality. Front 
and back x 23. 
. Turbo Hamptonensis, Morris and Lycett. Bradford Abbas. Back Xx 23. 
(Page 359.) 
. The same. Inferior Oolite, Hook Norton. Front x 23. 
