Supplement to Part II. 



List of figures of Unnamed Doubtful Species of Campylodisci 

 in A. Schmidt's " Atlas der Diatomaceen." 



Atlas, pi. 17, f. 18. — Reproduced from a small fragment. 



„ pi. 17, f. 19. — Ditto. 



„ pi. 14. f. 27. — Probably Heufleurii^ Grun., var. 



,, pi. 16, f. n. — According to A. S., ecclesianus, Grev. 



,, pi. 18, f. 21.— Intermediate between C. latus, Shadb., and 

 its var. C. contiguus, A. S. 



„ pi. 51, f. 4. Small fragment represented. 



,, pi. 16, f. 3. — Is a var. of C. tceniatus, A. S. 



,, pi. 15, f, 17. — Is Samocnsis, Grun. var.,? 



„ pi. 15, f. 18. — Ditto. 



,, pi. 16, f. 5. — Is ecclesianus var., ? 



