BRITISH DIATOMACE^. 15 



3. NiTzscHiA Sigma, i. 39. t. 13. f. 108. B.M. 



o. Pevensey, Nov. 7, 1850. (b.) 

 6. Pevensey, Sussex, Sept. 1850. 



3*. Nitzschia cukvtjla, ii. 89. B.M. 



a. New Forest, Sept. 1854. 



b. New Forest, Sept. 1854. 



4. Nitzschia OBTtrSA, i. 39. t. 13. f. 109. B.M. 



a. Poole Bay. 



Var. )3. b. Lancing, Sussex, July 1854. 



c. Shagalioti, Poole Buy, Jutie 1850. 



6. Nitzschia spectabilis, i. 39. t. 14. f. 116. B.M. 



a. Cork Harbour, July 1850. 



b. Cork Harbour, July 1855. 



§ II. Nitzschia. 



6. Nitzschia scalaris, i. 39. t. 14. f. 115. B.M. 



a. June 2, 1849. 



b. Shagalion, Poole Bay, June 1850. 



7. Nitzschia linearis, i. 39. 1. 13. f. 110, Supp. t. 31. 



f. 110 ; ii. 89. B.M. 



a. Winterboume, Lewes, July 10, 1852. 



b. Kenston, Nov. 30, 1852. 



Var. ^. ? c. " Nitzschia media," Derbyshire, Dr. Redfern. 



d. e. Letces, July 1852 ; two specimens. 

 /. N. media, Walton, Derbyshire. 



8. Nitzschia tenuis, i, 40. t. 13. f. 111. B.M. 



a. Lewes, Oct. 23, 1852. 

 h. Lewes, March 1850. 



§in. 



9. Nitzschia spathulata, i. 40. Supp. t. 31. f. 268. B.M. 

 n. Calvados, De Brebisson, Sept. 1852. 



10. Nitzschia angularis, i. 40. t. 13. f. 117. B.M, 



a, Sussex, July 1850. 



b. Sussex, Jidy 1850. 



c2 



