io6 Arber. — A Revision of the Seed Impressions of the 
Arber on p. 195. Part ot another longitudinal section through the same seed as that represented in 
the last figure, showing the connexion between the nucellar wall (to the right) and the seed coat 
(occupying the whole of the lower left-hand portion of the figure). The nucellar tracheides are 
visible in the lower half of the figure at the extreme right. Binney Coll., Sedgwick Museum, 
Cambridge, A.B. 12. x 127 circa. 
Fig. 8. Trigonocarpus Dawesi, L. and H., forma 7. A tri-ridged cast of the inner surface of the 
sclerotesta. From the Middle Coal Measures of Peel Quarry, Bolton, S. Lane. Sedgwick Museum, 
Cambridge (No. 490, Carbon. Plant Coll.). Nat. size. 
Fig. 9. Platyspermum Kidstoni, sp. nova. From the Upper Coal Measures of Radstock, Som. 
The type, after Kidston. Nat. size. 
Fig. 10. Platyspermum multistriatum (Sternb.). From the Transition Coal Measures ot 
Longport, North Staffordshire. In the Sedgwick Museum, Cambridge (No. 2176, Carbon. Plant 
Coll.). Nat. size. 
— Fig. 11. Platyspermum sulcatum (Pres!.). From the Middle Coal Measures of Ravenshore, 
S. Lane. In the Sedgwick Museum, Cambridge (No. 2991, Carbon. Plant Coll.). Nat. size. 
Fig. 12. Platyspermum elongatum (Kidst.). From the Lower Coal Measures of Trowell Colliery, 
Nottingham. From a specimen in Dr. Moysey’s collection, x f-. 
Fig. 13. Platyspermum rugoswn, sp. nova. From the Middle Coal Measures of the Mattice 
Hill Boring, Kent, at a depth of 1,484 ft. Type in the Sedgwick Museum, Cambridge (No. 2337, 
Carbon. Plant Coll.). Nat. size. 
Fig. 14. Cornucarpus acutus (L. and H.). From the Middle Coal Measures of the Goodnestone 
Boring, Kent, at a depth of 2,000 ft. In the Sedgwick Museum, Cambridge (No. 2230, Carbon. 
Plant Coll.). Nat. size. 
Fig. 15. Cardiocarpus Gutbieri , Gein. From the Middle Coal Measures of the Mattice Plill 
Boring, Kent, at a depth of 1,111 feet. Sedgwick Museum, Cambridge (No. 2375, Carbon. Plant 
Coll.). Nat. size. 
Fig. 16. Samaropsis Meachemi (Kidst.). From the Middle Coal Measures of the Woodnesborough 
Boring, Kent, at a depth of 1,651 ft. Sedgwick Museum, Cambridge (No. 2461, Carbon. Plant 
Coll.), x 3. 
Fig. 17. Samaropsis Meachemi (Kidst.). From the Middle Coal Measures of the Woodnesborough 
Boring, Kent, at a depth of 1,176 ft. Sedgwick Museum, Cambridge (No. 2465, Carbon. Plant 
Coll.), x f . 
Fig. 18. Samaropsis Jluitans (Daws.). From the Upper Coal Measures of Camerton, Somerset. 
Sedgwick Museum, Cambridge (No. 1652, Carbon. Plant Coll.). Nat. size. 
Fig. 19. Samarospermum moravicum (Helmh.). From the Middle Coal Measures of the Oxney 
Boring, Kent, at a depth of 2,439 ft* I n the Sedgwick Museum, Cambridge (No. 2992, Carbon. 
Plant Coll.). Nat. size. 
Fig. 20. Samarospermum moravicum (Helmh.) Enlarged view of the reverse of Fig. 19. x 3. 
PLATE VII. 
~Fig. 21. Rhabdocarpus Lillieanus , sp. nova. From the Upper Coal Measures (Farrington 
Series) of Coal Pit Heath Colliery, Bristol coalfield. Type in the Sedgwick Museum, Cambridge 
(No. 2034, Carbon. Plant Coll.). Nat. size. 
Fig. 22. Microspermum samaroides (Carpent.). A specimen showing the grooved surface and 
the large foramen at the lower end. From the Middle Coal Measures of Shipley Clay Pit, Derby. 
Type in Dr. Moysey’s collection. Nat. size. 
Fig. 23. Microspermum samaroides (Carpent.). The same specimen as Fig. 22. x §. 
Fig. 24. Microspermum samaroides (Carpent.). A specimen showing the keeled surface. From 
the same locality and in the same collection, x 2. 
Fig. 25. Microspermum samaroides (Carpent.). A specimen of (?) the keeled surface showing 
a large 1 dimple’ below, and some indication of (?) a small foramen at the pointed end. From the 
same locality and in the same collection, x 2. 
Fig. 26. Microspermum samaroides (Carpent.). A specimen showing a foramen at the pointed 
end, but not very like the other specimens of this species here figured, though probably only another 
form of the same seed. From the same locality and in the same collection, x 2. 
Fig. 27. Microspermum samaroides (Carpent.). A specimen showing the grooved surface with 
