510 FLORA ANTARCTICA. [Fuegia, the 



10. DICLADIA, N. G. Ekrb. 



1 . Dicladia antennata, Ehrb. ; Schrift. Bert. Akad. May, 1844. 

 Hab. Victoria Barrier ; in Pancake-ice. 



2. Dicladia bulbosa, Elirb. I. c. 

 Hab. Victoria Barrier ; in Pancake-ice. 



This and the preceding always occurred abundantly in the stomachs of the Victoria Land Salpa. 



11. SCHIZONEMA, Ay. 



1. Schizonema sp.? filis ramosis siccitate luride viridibus, frustulis ovato-oblongis siccis collapsis. 

 Thwaites, MS. 



Hab. Kerguelen's Land ; abundant in the sea. 

 Very similar to, and possibly not distinct from, the British S. implicatum, Harv. 



12. EXILAPJA, Grev. 



1. Exilaria, n. sp. ? frustulis linearibus striatis e dorso visis leviter versus apices truncatos attenuatis, 

 e latere visis utrinque obtuse apiculatis. T/twaite-s, 3IS. 



Hab. Kerguelen's Land ; on marine Conferva. 



G. truncate forma accedit, sed frustulis striatis ut in Synedra Ulna. 



13. COCCONEIS, Ekrb. 



1. Cocconeis Placentula, Ekrb. Kiitz. p. 73. t. 28. f. 13. c. 



Hab. Falkland Islands ; on marine Conferva, Lesson. 



Found living in the fresh waters of Europe ; also in Iceland, Mexico and the Oregon river, Chili, the 

 Sandwich Islands, and in African (?) guano. 



2. Cocconeis Scutellwm, Elu'b. Kiitz. I. c. t. 5. f. vi. 3-6. 



Hab. Falkland Islands ; on marine Conferva, Lesson. Kerguelen's Land, also on marine Conferva. 

 Found living in the Atlantic, German, and Mediterranean Seas ; on the coast of Iceland, in Peruvian guano 

 and in volcanic tuff. 



14. ACHNANTHES, Ay. 



1. AcHNANTHES7;ac%j»z«, Kiitz. p. 76. t. 21. II. f. 3 and 29. f. 83. 

 Hab. Falkland Islands; on marine Conferva, Lesson. 



Recorded by Montagne to be a native of Callao, in Peru. 



2. Achnanthes lonyipes, Ag. Harv. Man. Alg. Brit. p. 200. 

 Hab. Kerguelen's Land; on Alga. 



Specimen in a very bad state, but probably referable to this species. Thwaites, MS. 



