292 MESSES. W. AND G. S. WEST ON THE 



*6G. Vanbeukckia vulgaris, Van HeurcJc, Diatom. (Engl, 

 transl.) p. 240, t. 5. f. 252. Colletonema vulgaris, Thivaites. 



Sab. In small stream, Eoseau Valley, Dominica. No. 1176. 

 In stream, Wotten Waven, Dominica. Nos. 1248 and 1249. 



Eam. GrOMPHONEME-E. 



*67. Gohphonema gbactle, Ehrenb. ; Van Heurck, 7. c. p. 272, 

 t. 7. f. 309. 



Var. dichotomtth, Van HeurcJc, I. c. p. 273, t. 7. f. 310. 

 G. dicbotomum, TV. Sm. 



Hab. In warm stream, road to Eoseau Lake (2500 ft.), 

 Dominica. No. 1177. 



# 68. G. axgustatum, Kuetz. Bacill. p. 83, t. 8. . 4. 



Hab. In warm stream, road to Eoseau Lake (2500 ft.), 

 Dominica. No. 1177. In stream, "Wotten Waven, Dominica. 

 No. 1248. 



*69. G. OLTYACEUM, Kuetz. I. c. p. 85, t. 7. ff. 13, 15. 



Hab. In small stream, Eoseau Valley, Dominica. No. 1176. 



70. G. tekelltjm, Kuetz. ; TV. 8m. Brit. Biat. i. p. 80, t. 29. 

 f. 243. 



Hab. In stream, Wotten Waven, Dominica. No. 1249. 



Earn. Acilsantiiej:. 



71. Acitnantiies linearis, Grun. Aclmanthidium lineare, 

 TV. 8m. Brit. Biat. ii. p. 31, t. 61. f. 381. 



Hab. On banks, Emsol, Eoseau, Dominica. No. 986. In 

 small stream, Eoseau Valley, Dominica. No. 1176. 



*72. A. lanceolata, Grun. Aclmanthidium lanceoiatum, 

 Brih. in Kuetz. Spec. Alcjar. p. 54. 



Hab. Among Kostov wi'scorum, Agardh, on sides of road, Eort 

 Charlotte, St. Vincent. No. 203. On leaves of trees, Wotten 

 Waven, Dominica. No. 1240. 



Earn. Cocconeideje. 



*73. Cocconets Pediculus, Ehrenb. ; Kuetz. Bacill. t. 5. f. ix. 1 ; 

 W. 8m. Brit. Diat. i. p. 21, t. 3. f. 31. 



Hah. Attached to Lynybya ?najuscula, llarv., in shallow bays, 

 knguilla. No. 20. 



