6 BHITI8H DIATOJIACEiE. 



4. AirPHORA SALiNA, i. 19. Supp. t. 30. f. 251. B.M. 



a. Belfast, Juhj 1853. 



b. Itford, Sussex, Sept, 1852. 



5. .\5rPH0RA (?) TENERA, i. 20. Supp. t. 30. f. 252. B.M. 



a. Seaford, April 24, 1850. 



b. Seaford, May 1850. 



6. Amphora membranacea, i. 20. t. 2. f. 29. B.M. 



a. Coast of Sussex, 1854. 



b. Sussex, Sept. 1850. 



7. Amphora (?) costata, i. 20. Supp. t. 30. f. 253. B.M. 

 a. Poole Bay, Sept. 24, 1851. 



8. Amphora minutissima, i. 20. t. 2. f. 30. B.M. 



a. Lewes, Dec. 1850. 



b. Mr. Shadbolt, 3farch 1851. 



5. COCCONEIS, Smith, i. 21. 



1. CoccoNEis Pedictilus, i. 21. t. 3. f. 31 ; Frontispiece, 



i. f. xxxi. B.M. 



a. Wareham, Sept. 1851. 

 h. Wareham, Aug. 1851. 

 c. Shannon, July 1853. 



2. CoccoNEis Placentula, i. 21. t. 3. f. 32. B.M. 



a. Lewes, Feb. 11, 1853. 

 h. Lewes, March 1853. 



3. CoccoNEis THWAiTEsn, i. 21. t. 3. f. 33. B.M. 



a. Bristol, Mr. Thwaites, 1848. 



b. Bristol, 3fay 1848. 



4. CoccoNEis ScuTELLXJM, i. 22. t. 3. f. 34; ^, Supp. 



t. 30. f. 34. B.M. 



a. Coast of Norfolk, 3Ir. BrightweU. 



b. Norfolk, Sept. 1851. 



c. Galway, July 1853. 



