4 BEITISH DIATOMACE^. 



6. EUNOTIA TETRAODON, i. 16. t. 2, f. 19. B.M. 



a, Dolgelly, Mr. C. Johnson. 



7. EuNOTiA DiADEMA, i. 17. t. 2. f. 20. B.M. 



a. Lougli Avaul (?), co. Cork, June 1855. 

 h. Dolgelly, Mr. C. Johnson, Jan. 4, 1850. 



8. EUNOTIA BIDENTULA, ii. 83. 



9. EuNOTIA TRIDENTULA, ii. 83. 



a. Braemar (with ^. quaternaria). 



10. EuNOTIA QUATERNARIA, ii. 83. 



a. Braemar (with E. tridentula). 



11. EuNOTIA INCISA. 



a. Mull Deposit. 



12. EuNOTiA Cajielus. 



a. Braemar, Dr. Greville, 31, 8, 52. 



3. CITNIBELLA, S7mth, i. 17. 



1. Cymbella Ehrenbergii, i. 17. t. 2. f. 21. B.M. 



a. Marl, co. Down, Mr. M'Adam, Sept. 3, 1849. 



b. Storrington, Sussex, Aug. 1853. 



c. Sussex, Aug. 1853. 



2. Cymbella cuspidata, i. 18. t. 2. f. 22. B.M. 



a. Wray near Lancaster, 3Ir. G. Stnith. 



b. Quernniore, Mr. C. Johnson, April 1852. 



c. Sussex, March 1845, 3fr. Jenner. 



d. Benlaicers, Aug. 1853. 



e. Lancaster, Ajjril 1852. 



3. Cyivibella afpinis, i. 18. Supp. t. 30. f. 250 ; Frontis- 



piece, i. f. ccl. B.M. 



a. Itford (Sussex), April 10, 1851. 



b. Itford, Sussex, April 1852. 



c. Cockshut, Lewes, Sqd. 1853. 



d. Parham, Sussex, Feb. 1854. 



