PLATE XXXIII. 



N.B. — With reference to the Pleurotomarise on Plates XXXIII to XL inclusive, it 

 should be observed — 1. That all figures are natural size unless otherwise stated. 

 2. All figures are from pencil drawings. 3. Ml specimens are from my own 

 Collection unless otherwise stated. 



Fig. 



1. Pleurotomaria punctata, Sowerby. Dundry. Front and base. (Page 396.) 



2. The same. Small specimen. Concavus -bed. Bradford Abbas. Front. 



3. PI. bicingulata, sp.noy. Goncavus-bed, Bradford Abbas. Front. (Page 398.) 



4. PI. elongata, Sowerby, var. angusta. Bradford Abbas. ? Murchisonse-zone. 



Whidborne Collection. Back. (Page 399, et seq.) 



5. PI. elongata, Sow. Another variety. Goncavus-bed, Bradford Abbas. Front 



and base. 



6. PL elongata, Sow., var. near to PI. conoidea, Deshayes. Louse Hill (Hum- 



phriesianus-zone) . Front and base. 



7. PI. elongata, Sowerby. The type-form. Cf. PI. Pictaviensis, d'Orb. Sauzei- 



bed. Neighbourhood of Sherborne (Combe). Front. 



8. PI. abbreviata, Sowerby. Usual form. Sauzei-bed, Oborne. Back and base. 



(Page 401.) 



9. PI. abbreviata, Sow. Smooth variety, analogous to PI. Pictaviensis but wider, 



Sauzei-bed, Oborne. 



10. PI. circumsulcata, d'Orbigny. Dorset. ? Parkinsoni-zone. Front. (Page 404.) 



N.B. — The submarginal furrow in the base characteristic of this 

 species cannot be identified in this specimen owing to wear of the 

 surface. 



11. PL ninuivhsidcata, d'Orbigny. Parkinsoni-zone, Burton Bradstock. Back and 



front. 

 12 a, 12 b. PL Agatha, d'Orbigny. Small nodular form. Parkinsoni-zone, Broad- 

 windsor. Front and base. (Page 402.) N.B. — This specimen, which 

 differs considerably from the more recognised forms of PI. Agatha, 

 especially in the fulness of the base, is classed here provisionally. 



