FIGURES 5–7 in Notes on the diatom collection of the Natural History Museum, London (BM) V: (a) 'Stictodiscus manillensis' nom. nud., (b) Stictodiscus pantocsekii and 'Stictodiscus pantocsekii var. minor', (c) a note on the name 'Stictodiscella'; and (d) some comments on Jósef Pantocsek's Beiträge zur Kenntnis der Fossilen Bacillarien

FIGURES 5–7. Greville's Stictodiscus californicus. 5. Greville 1861b, pl. 10, fig. 1. 6. Greville's holotype specimen, BM 1971, Maltwood Finder 27/23. 7 (specimen 85 μm). Greville's original drawing, BM ms collection.