278 MR. W. WEST ON SOME FRESU WATER 



51. EuNOTiA Arcus, Ehrenh. {TV, Sm. Brit. Diat. ii. t. 33. 

 f. 283.) 



Hah. In stream, crater of Grrande Soufriere, Dominica. No. 908. 



52. E. GRACILIS, Bahh. (Fl. Europ. Alg. i. p. 72.) [Kiman- 

 tidium gracile, Ehrnh., TV. Sm. Brit. Diat. ii. p. 14, t. 33. 

 f. 285.] 



Hob. Amongst mosses, on trees, summit of Trois Pitons 

 (4500 ft.), Dominica. No. 903. 



53. Odontidium MrTABiLE, W. Sm. (Brit. Diat. ii. p. 17, 

 t. 34. f. 290.) 



Hah. On damp wall of dam. Sharp's Eiver, St. Vincent. 



No. 477. 



54. Desmoqo^^ium Eabenhorstianum, Grun. {Biat. ins. 

 Banlca, p. 6, t. i. f. 1 ; Be Toni, SyUoge Algar. vol. ii. 

 p. 680.) 



Hah. Abundant in stream (hot and cold), crater of Grande 

 Soufriere, Dominica. No. 908. 



55. NiTZSCHiA PARTULA, W. Sm. (Brit. Biat. i. p. 41, t. 13. 

 f. 100.) 



Hah. On damp wall of dam, Sharp's Eiver, St. Vincent. 

 No. 477. 



56. N. FLEXELLA, Suring. {Alg.Japon. p. 11, t. 1. f. 12.) 

 Long. 33-44 {.i ; lat. 3-8-4-8 /u. 



Hah. In streams, Grande Soufriere, Dominica. Nos. 881 

 and 884. 



57. N. linearis, W. Sm. {Brit. Biat. i. p. 39, t. 13. 

 f. 110.) 



Hah. On damp wall of dam. Sharp's Eiver, St. Vincent. 

 No. 477. And in streams, Grande Soufriere, Dominica. Nos. 881 

 and 908. 



58. N. minutissima, W. Sm. {L. c. p. 41, t. 13. f. 107.) 

 Hah. In stream, Grande Soufriere, Dominica. No. 884. 



59. Navicula cryptocepuala, Kuctz. (W. Sm. I. c. p. 53, 

 t. 17, f. 155.) 



Hah. On damp wall of dam. Sharp's Eiver, St. Vincent. 

 No. 477. 



